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52768 (1998 OR2)
Classification: Amor [NEO, PHA]          SPK-ID: 2052768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 298 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5730839067779959 3.0536e-09  
a 2.384435232724488 3.3208e-09 au
q 1.017953774095639 7.0504e-09 au
i 5.865877490685264 1.9333e-06 deg
node 27.01552491446619 4.8315e-06 deg
peri 174.5661500173678 6.0533e-06 deg
M 12.1013870137416 7.1745e-07 deg
tp 2458955.292616477630
(2020-Apr-15.79261648)
2.677e-06 TDB
period 1344.858903328408
3.68
2.8095e-06
7.692e-09
d
yr
n .2676860740625143 5.5921e-10 deg/d
Q 3.750916691353337 5.2239e-09 au
  Orbit Determination Parameters
   # obs. used (total)      5186  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      12067 days (33.04 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .21086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-02 06:26:56  

Additional Information
 Earth MOID = .0154377 au 
 Jupiter MOID = 1.20745 au 
 T_jup = 3.286 
[ 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 15.8   n/a MPO422042  
diameter diameter 1.75 km 0.3 Arecibo initial assessment April 16-22, 2020 (S. Marshall, P. Taylor)  
rotation period rot_per 4.1120 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

52768 (1998 OR2)          Discovered 1998-Jul-24 by NEAT at Haleakala
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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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
1904-Jun-30 04:59 < 00:01 Jupiter 1.23002329035125 1.23002313628068 1.23002344442189 3.88323271576525 3.7016550379332 2416661.707769465 0.0740974793124303 19.8119052303397 3.43399935971847 71.6434629045613 20151408.2178025 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1906-Jun-03 08:13 < 00:01 Earth 0.37536091171412 0.375360045915663 0.375361777512598 18.7670462456026 18.7666680018497 2417364.842243684 0.0802673169736711 43.4888995434524 3.39008170547681 6.93297331565718 2058013.18360661 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1917-Jun-07 23:36 < 00:01 Earth 0.420758553552951 0.420758287955212 0.420758819150691 20.4999604800057 20.4996515716529 2421387.483157868 0.0231378251600509 13.5094619204426 3.24736909547828 11.7247746968151 5278182.79154635 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1928-May-28 05:40 < 00:01 Earth 0.258599823126654 0.258598540655075 0.258601105598452 15.7975328256891 15.7968805910913 2425394.736207804 0.143167019600971 65.0754593599952 3.05918834480258 10.6878696628371 2076042.57845908 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1939-May-17 01:57 < 00:01 Earth 0.135639541022818 0.135637592395404 0.13564148965256 11.897319982867 11.8956687548766 2429400.581472315 0.333585918357169 101.130956158181 2.60788231268832 16.1137064412808 1857383.86980474 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1950-May-30 00:03 < 00:01 Earth 0.30890283795055 0.308901013633992 0.308904662267317 16.7770193288936 16.7765051878103 2433431.501825082 0.190243332188005 91.853224012857 2.94551923866966 7.96407895514093 1911298.43768426 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1952-Feb-26 08:22 < 00:01 Jupiter 1.2315012682859 1.23150104134033 1.23150149523153 3.94174635056002 3.76321284012431 2434068.848312815 0.133679957949164 21.5634114374039 3.15970776659616 -62.6262355321926 27290216.9202094 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
1999-Nov-29 14:37 < 00:01 Jupiter 1.65752057026178 1.65752005269586 1.65752108782771 5.21636555802015 5.11746363291897 2451512.108817368 0.0669791184139372 25.9202184349028 5.61590674083401 -17.5802462112534 7753791.02321085 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2009-Mar-12 01:47 < 00:01 Earth 0.179453434526441 0.179453035204617 0.179453833848305 11.8905432183563 11.889294450555 2454902.574585126 0.062033209844706 20.3702606998418 2.46782408400419 -12.2871320854418 2175322.6065905 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2011-Feb-18 01:06 < 00:01 Jupiter 1.42903657098148 1.42903619587753 1.42903694608544 4.49932628113319 4.36560321635628 2455610.545588607 0.0306995534343939 21.026371467318 4.60030304633831 33.9025948574596 11661499.5550715 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2020-Apr-29 09:56 < 00:01 Earth 0.0420484957332318 0.0420484774892787 0.0420485139771849 8.7015848078037 8.69429954241506 2458968.913767411 0.00648159661635965 1.99786591149729 0.909083814482959 -89.1092649660483 6181040.48732847 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2031-May-18 06:56 < 00:01 Earth 0.127113860769757 0.127113488992847 0.127114232546798 11.5959279514639 11.5941201622404 2463004.788784642 0.0709223788787519 19.6116766844995 2.71098628680818 19.2476638036067 2134655.55942678 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2042-May-30 22:47 < 00:01 Earth 0.265008588560435 0.265007986773321 0.265009190347593 15.8584561225881 15.857822106637 2467035.449200050 0.0706867659018948 30.5658976718647 3.10558694545531 11.0266548021192 2365654.19785418 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2058-Dec-04 04:25 < 00:01 Jupiter 1.19951073128308 1.19951066331395 1.19951079925229 3.87296966376225 3.68613808789756 2473066.683781816 0.0722662136396227 13.6573480932677 1.78337610148532 -79.3310765984101 32237058.1182513 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2068-Feb-28 15:25 < 00:01 Earth 0.334591705737438 0.334590799681325 0.334592611793589 17.0704766595441 17.0700101532883 2476440.142259330 0.0900231704297964 45.5662093414383 2.57606231286589 -7.47836249148393 2344015.01637009 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2079-Apr-16 13:31 < 00:01 Earth 0.0118494670789081 0.0118494356117939 0.0118494985537919 8.16985958402312 8.14228986487472 2480505.063076372 0.340052218799207 20.326103416773 1.04202694776797 86.6842508562982 1729455.32936007 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2079-Apr-16 14:37 < 00:01 Moon 0.0091925179471167 0.00919248670955793 0.00919254919347443 7.26821398054902 7.26772344415327 2480505.109354490 0.352933455128853 19.2471765791515 1.04905125580911 86.5640169925032 1309584.4327474 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2090-May-17 12:09 00:04 Earth 0.114955891807179 0.114934620892183 0.114977163301797 11.140788205674 11.1387075234322 2484554.006426163 4.33113642934163 1136.14374941412 2.7607575182025 21.0144762615875 1921280.55682313 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2101-Jun-10 21:27 00:03 Earth 0.405313681845033 0.405281428224215 0.40534593550792 19.8489984764292 19.8486672796402 2488595.393555127 2.91867417384415 1621.48696752123 3.56776806291096 7.30484758657378 1889527.17084335 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2106-Oct-16 06:49 00:02 Jupiter 1.80431058433729 1.8042999993357 1.80432116933703 5.73519455598018 5.65274879023653 2490548.783712351 2.21968673062625 520.058162303411 5.65159713026156 -10.9579565867532 4106129.75442048 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2118-Jan-22 04:03 00:03 Jupiter 1.27970571695797 1.27969956867785 1.27971186526565 4.09768255069711 3.93283933788011 2494664.668450122 2.71322680526289 430.745901448208 3.53348655655716 49.0964093097719 16360067.3607718 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2127-Apr-16 14:50 00:16 Earth 0.0167849705012152 0.0167798366062036 0.0167901227625047 8.03591062050727 8.01613220664181 2498036.118342489 15.7824677640781 913.370473420818 0.960820620522611 73.6940919745878 2589125.86044553 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2138-May-20 22:03 01:51 Earth 0.120790841662621 0.120233874091948 0.121348222047154 11.3701458645732 11.3682056517573 2502088.418511734 110.75467853826 29932.6827222134 2.90072524345981 21.8579958206474 1990574.48062945 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2149-Jun-05 08:36 01:29 Earth 0.283850410569114 0.283011062651383 0.284689870056029 16.4831702609551 16.4826007663846 2506121.858163331 89.2067970660383 42788.0314262028 3.42037783527338 11.9797424191737 2213814.06830098 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2165-Nov-21 06:13 01:04 Jupiter 1.3411147288792 1.34094282799892 1.34128663683113 4.29335771159841 4.14364073464699 2512134.759096223 63.4933832607068 9898.76954541407 4.11456087615436 -37.1351757367431 12772063.5905981 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2175-Mar-09 16:05 01:48 Earth 0.26061241576749 0.259614776931691 0.261610131733808 14.664972637477 14.6642754552276 2515530.169854427 108.258018800331 50249.9997857433 2.43402837551856 -8.1091798633458 1889767.57321114 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2177-Mar-02 19:38 01:07 Jupiter 1.68933558761136 1.68903854789828 1.68963263091675 5.35847216486004 5.2640703065533 2516254.318262712 66.9904453869775 15323.0225306886 4.7366810401907 21.6882014949702 9259624.38101331 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2186-May-27 16:54 02:10 Earth 0.182381296828354 0.181488029401814 0.183274973185557 13.0367562875767 13.0356356087222 2519627.204507576 130.087168912312 46588.783691602 3.15923843101451 17.0109091508553 2132702.1294107 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
2197-Jun-18 12:29 00:48 Earth 0.472660711461644 0.472105465272327 0.473215965613888 22.0371761617615 22.0369203565255 2523667.020363630 47.7431056157059 27856.5781734128 3.92897400483605 6.31266324313947 1752144.65868884 T 298 CATAB v2.0f-lin.ifort 2020-Aug-02 06:27:12 2020-Aug-02 06:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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