Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
85713 (1998 SS49)
Classification: Apollo [NEO, PHA]          SPK-ID: 2085713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 183 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6392681781342363 3.8306e-08  
a 1.923778478345509 3.0817e-09 au
q .693968115359722 7.3768e-08 au
i 10.76369020819311 4.5762e-06 deg
node 41.4923135672611 1.8719e-05 deg
peri 102.4329493400103 1.8992e-05 deg
M 9.239182935260976 3.3824e-06 deg
tp 2458975.487212981561
(2020-May-05.98721298)
9.1171e-06 TDB
period 974.6103513409439
2.67
2.3419e-06
6.412e-09
d
yr
n .3693783874803754 8.8757e-10 deg/d
Q 3.153588841331295 5.0518e-09 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      7955 days (21.78 yr)  
   first obs. used      1998-09-29  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-11 06:46:39  

Additional Information
 Earth MOID = .00265466 au 
 Jupiter MOID = 1.98714 au 
 T_jup = 3.623 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO344892  
diameter diameter 3.484 km 0.789 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 5.370 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.]
[Vaduvescu, O.; Aznar Macias, A.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.]
geometric albedo albedo 0.076   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

85713 (1998 SS49)          Discovered 1998-Sep-29 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-Nov-26 22:53 < 00:01 Earth 0.0659933595622963 0.0659930742246367 0.065993644917527 17.8810994313504 17.8788413201544 2416080.453613842 0.127425648178505 75.8909082043098 9.86920318235788 82.1692089069749 999429.845375263 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1910-Nov-20 15:34 < 00:01 Earth 0.126580157776453 0.126578735317806 0.126581580240531 21.2344005819514 21.233409255132 2418996.148383226 0.116337195510932 82.3088906268933 9.83690593845718 -30.7281469474319 975051.746177425 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1918-Nov-16 00:02 < 00:01 Earth 0.215154202354411 0.215152699373341 0.215155705336447 23.9861316983361 23.9856153925597 2421913.501232962 0.101351608873124 78.3671661866498 9.82865956594529 -17.1296191595933 1000290.19382465 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1926-Nov-10 20:17 < 00:01 Earth 0.313025629368417 0.313024258152112 0.313027000584919 27.0313688629956 27.0310539671362 2424830.345245983 0.0824302437056378 69.5334339022467 9.82954053410426 -10.5737336433156 1050110.45600318 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1934-Nov-04 17:04 < 00:01 Earth 0.441078010497879 0.441076881519189 0.441079139476594 30.8802336759367 30.880038053913 2427746.211199888 0.059981086672798 56.6331743730028 9.85490369169974 -6.33985589602263 1319064.94721172 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1940-May-05 08:43 < 00:01 Venus 0.119711493552805 0.119711041548404 0.119711945558561 18.0725554820427 18.0715517319689 2429754.863033764 0.0902954037164165 30.32287636498 3.30609243518597 -42.2985920457174 3234207.00401131 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1948-May-02 04:52 < 00:01 Venus 0.0917780870484522 0.0917777723758939 0.0917784017222051 16.4390274837873 16.4375881124965 2432673.702865539 0.0817073001628082 23.9775977876536 6.5226645647343 -51.7955277191295 1622641.3167753 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1948-May-27 21:19 < 00:01 Earth 0.479241029911645 0.479240666264458 0.479241393558833 31.7429947636513 31.7428196130371 2432699.388368874 0.0477394313227454 18.2144329509056 11.3687270266827 -6.92074030405854 3823439.69503607 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1956-Apr-29 11:07 < 00:01 Venus 0.0706490239431771 0.0706485487071523 0.0706494991838805 15.2101998818162 15.2081789265008 2435592.963090433 0.110773881263049 38.7579101667198 8.42626001218883 -54.1667862982839 1024164.36682624 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1956-May-26 03:59 < 00:01 Earth 0.436430881973048 0.436430140457098 0.436431623488998 30.5951862741806 30.5949867271831 2435619.665790567 0.0565694226076456 37.0348490478427 10.8933567447279 3.37374652507169 1716554.35526156 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1964-Apr-30 08:14 < 00:01 Venus 0.0913094478800775 0.0913084184389882 0.0913104773275562 16.4073836953443 16.4059341457482 2438515.843043058 0.140809000213684 64.2277557543978 8.38387392837534 -37.3184492776938 971763.748558391 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1964-May-26 09:36 < 00:01 Earth 0.448729641493278 0.448728477755295 0.448730805231261 30.8460739336739 30.8458814344166 2438541.899768990 0.0807711536986716 58.0541560649946 10.8485291689392 1.66079914722864 1117475.41896184 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1974-Nov-04 10:37 < 00:01 Earth 0.458392256962817 0.458390985446732 0.458393528478953 31.3645356597102 31.3643503332185 2442355.942530412 0.0861087351862997 63.7836679818656 9.98929916188376 -6.32428136000115 1250119.85653033 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1982-Nov-06 10:38 < 00:01 Earth 0.419616365187649 0.419615200026925 0.41961753034842 30.1808344273236 30.1806240348449 2445279.942963418 0.0803798249305581 58.5929666444931 9.98622952861506 -7.53684887114334 1283059.71679354 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1990-Nov-09 11:03 < 00:01 Earth 0.361027453046535 0.361026492107071 0.361028413986061 28.3754884625253 28.375228368262 2448204.960680705 0.0681395362331398 48.596424549119 9.99285812019262 -9.79746974547687 1364680.29122137 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
1998-Nov-14 19:36 < 00:01 Earth 0.257322258606668 0.25732158465312 0.257322932560346 25.2135204681883 25.2131097867729 2451132.316392951 0.052423764728617 34.856175781042 10.034420996696 -16.0836023151107 1438511.17614158 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2006-Nov-16 22:45 < 00:01 Earth 0.217502220626827 0.217501864042428 0.217502577211277 23.9699162036028 23.9694051260864 2454056.447911276 0.0365072591875586 18.8944943975131 9.9904696008647 -23.4802887372195 1971534.67537226 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2014-Nov-18 09:38 < 00:01 Earth 0.189815121462361 0.189815059972219 0.189815182952504 23.1015764967431 23.1009688577391 2456979.901513048 0.0313628647759991 10.8268444029285 3.0640901260989 89.3488021482602 10380799.585004 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2021-Oct-08 13:56 < 00:01 Jupiter 1.99026090238783 1.99026052226644 1.99026128250933 3.53300615322457 3.4104200858726 2459496.080419581 0.086847386068087 37.5490763219263 14.4991230023602 -62.6369434780992 6320468.92129169 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2022-Nov-21 17:11 < 00:01 Earth 0.14137369895603 0.141373400176361 0.141373997735965 21.3642394715073 21.3633572751402 2459905.216095376 0.0456279826507886 19.3620859448855 9.42250010395973 -46.9774248035237 1748438.251071 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2030-Nov-22 20:11 < 00:01 Earth 0.125378185604386 0.125377662076599 0.125378709133726 20.7647745558723 20.7637510888378 2462828.341111774 0.0663318628153084 35.2962338945966 9.77576476883199 -44.4614995135014 1356398.90424158 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2038-Nov-21 18:05 < 00:01 Earth 0.137906693258475 0.137905930510575 0.137907456008735 21.303776688348 21.3028697460539 2465749.253741393 0.0829778942570139 48.086472468772 9.78092466955988 -38.6772779924235 1316732.08670084 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2046-Nov-21 09:00 < 00:01 Earth 0.154701324140122 0.154700412393411 0.154702235889286 21.7262796827818 21.7254869243255 2468670.874802849 0.0920183554752214 55.2771551767163 9.74694733039016 -35.2993613205506 1363898.79684765 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2054-Nov-20 15:12 < 00:01 Earth 0.167501068735705 0.167500091264054 0.167502046209509 22.166634384245 22.1659167518315 2471592.133089220 0.0934089427680896 57.5407884581656 9.66023075143051 -32.6233045289437 1392028.01584652 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2062-Nov-17 13:24 < 00:01 Earth 0.216406860393849 0.216405884501607 0.216407836287038 23.8510484092952 23.8505321848593 2474511.058207438 0.0849915358405769 53.7806200679049 9.5125364930101 -25.6300016412392 1503107.35474747 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2070-Nov-14 15:57 < 00:01 Earth 0.282968788084216 0.282967937155876 0.282969639012927 25.7780879808099 25.7777227005548 2477430.164681849 0.0713267522908813 45.5442432710356 9.26701475807375 -21.7823827799932 1815863.21292861 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2078-Nov-12 20:06 < 00:01 Earth 0.319509277744012 0.319508609226239 0.319509946262003 26.9063375916267 26.9060276522198 2480350.337183868 0.0558352221451324 35.9080648927403 8.79959668880003 -22.5408935270962 2316177.83086033 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2086-Nov-09 09:46 < 00:01 Earth 0.382394507689296 0.382394022252395 0.382394993126306 28.9376113365219 28.9373705457502 2483268.906959607 0.040239089125955 26.6651660967798 7.8411700302339 -26.0275757050775 3624433.76108893 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2094-Nov-05 08:47 < 00:01 Earth 0.473176862211418 0.473176471119936 0.473177253302981 31.6033777548442 31.6031995758189 2486186.865857156 0.0299918445571101 21.9636571611156 7.16176233726996 -29.1161407513125 5524715.48955701 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2108-May-29 19:18 < 00:01 Earth 0.464753271710786 0.464752706479763 0.464753836941808 31.3422541499016 31.3420712300079 2491140.304486431 0.0394799413626295 28.3561121010916 11.1392036550858 6.83701627295484 2448612.88557365 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2116-May-25 07:41 < 00:01 Earth 0.373481959650618 0.373481237001399 0.373482682299836 28.7303683786204 28.73012006336 2494057.819860902 0.0550651189807735 36.1508318675376 11.0476846105193 4.81079381867301 1527765.40564007 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2124-May-22 08:31 < 00:01 Earth 0.320589636545771 0.320588763588867 0.320590509502676 27.1431363010092 27.1428301009293 2496976.855101964 0.0706165716959813 43.6301684664326 10.9825407173759 4.00227046916846 1085676.62066111 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2132-May-20 20:35 < 00:01 Earth 0.288125447200897 0.288124459494732 0.288126434907095 26.2293438197073 26.2289912489951 2499897.357777803 0.0818211665106738 49.4078596696778 10.9525492864976 4.66098488296856 882862.620365001 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2140-May-18 06:44 < 00:01 Earth 0.235015952006223 0.235014923532033 0.235016980480467 24.7464443173409 24.745986168883 2502816.780706946 0.0873159795106894 51.5757489556296 10.7775849738742 6.22095028956005 728970.686181583 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2148-May-16 16:09 < 00:01 Earth 0.20881833769767 0.208817427870654 0.208819247524745 23.9350070422109 23.9344739344567 2505737.173003460 0.0814245879719737 45.7530820573494 10.6139287618024 7.63985583509116 746007.00282527 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2156-May-18 07:35 < 00:01 Earth 0.239788161291849 0.239787503977561 0.239788818606192 24.7870833415982 24.7866350473988 2508660.815883664 0.0644658808519063 33.2981413222566 10.3777067442681 10.685391623354 1177505.61787483 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2164-May-20 06:14 < 00:01 Earth 0.27062955023359 0.270629153358898 0.270629947108344 25.7291239175561 25.7287412555253 2511584.759681414 0.0476799916156022 21.3245177357908 8.76681910433849 24.1144732760437 2425583.63295617 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2172-May-21 11:47 < 00:01 Earth 0.295629971320223 0.295629658193695 0.295630284446851 26.4163186997144 26.4159775111986 2514507.991040377 0.0412410844755685 18.2629840257535 6.97001891465064 34.1358570338667 3861905.99227607 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2180-May-25 07:25 < 00:01 Earth 0.373471299364137 0.373470759273975 0.373471839454342 28.5943371210242 28.5940876173269 2517433.808771584 0.0510331980818691 27.5297325044341 10.2741371277769 12.9088106129314 2208058.90868872 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
2188-May-30 05:42 < 00:01 Earth 0.461598050184002 0.461597211276347 0.461598889091684 31.2319784541398 31.2317936336232 2520360.737532221 0.0677172763560457 42.0180654655708 11.2472432927602 5.58794182600003 1659918.42294158 T 183 CATAB v2.0f-lin.ifort 2020-Jul-11 06:46:55 2020-Jul-11 06:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 00:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin