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85804 (1998 WQ5)
Classification: Amor [NEO]          SPK-ID: 2085804
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 322 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3543065695662116 3.946e-08  
a 1.721241122477277 4.6566e-09 au
q 1.111394084976057 6.8622e-08 au
i 27.66415228554849 4.4852e-06 deg
node 285.7492656650127 8.1899e-06 deg
peri 269.7933763278756 1.086e-05 deg
M 92.92196554338085 1.2764e-05 deg
tp 2458787.599400768970
(2019-Oct-31.09940077)
2.8541e-05 TDB
period 824.8234448655639
2.26
3.3472e-06
9.164e-09
d
yr
n .4364570408867022 1.7712e-09 deg/d
Q 2.331088159978496 6.3065e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      11245 days (30.79 yr)  
   first obs. used      1989-11-25  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-20 06:39:55  

Additional Information
 Earth MOID = .372411 au 
 Jupiter MOID = 3.12575 au 
 T_jup = 3.976 
[ 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 15.4   n/a MPO468828  
diameter diameter 2.272 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.0089 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:
[Oey, J. (2006) Minor Planet Bull. 33, 96-99.]
geometric albedo albedo 0.167   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

85804 (1998 WQ5)          Discovered 1998-Nov-19 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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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
1909-Jun-21 13:02 < 00:01 Earth 0.471485433790518 0.471482102876392 0.471488764797455 13.6701089918991 13.6696955840991 2418479.043267440 0.295201267959044 369.76284278834 8.90876887901076 -63.3399719842304 6352292.67028021 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1918-Feb-02 09:33 < 00:01 Earth 0.487607919007142 0.487604218800389 0.487611619289675 18.4218800774185 18.4215834500956 2421626.897798272 0.0520012151969861 355.606771602092 13.7222622227279 58.814228744664 4393237.30437185 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1918-Jun-16 21:30 < 00:01 Earth 0.396539546138271 0.396537866716709 0.396541225656601 14.004039613636 14.0035597918519 2421761.395897564 0.203582977799107 321.998794733012 9.47494458257285 -75.0167025881228 5494267.34248775 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1927-Feb-01 22:32 < 00:01 Earth 0.406537654013956 0.406536014527435 0.406539293610523 16.0573023213841 16.0568941481563 2424913.439137107 0.102186242014075 347.438589170772 12.8034687198369 76.5522238901044 4515509.86879204 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1927-Jun-14 02:25 < 00:01 Earth 0.376989967450848 0.37698943591417 0.376990499055565 15.0231750926846 15.0227046273429 2425045.600383436 0.10352913880994 275.896808443143 10.4142779902863 84.9283481937606 4923408.22837983 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1936-Jan-30 06:58 < 00:01 Earth 0.392483590517482 0.392483071965121 0.392484109160399 14.6815796464404 14.6811172389008 2428197.790557704 0.161811448162663 338.177855900181 12.2040365500305 -86.131406253726 4724282.06335598 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1936-Jun-12 12:33 < 00:01 Earth 0.429102512321893 0.429100240653374 0.429104784033244 17.0644314229417 17.0640675379802 2428332.023190013 0.0425320423470942 242.827934010743 11.2107124294698 62.3095833502092 4598147.76889608 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1945-Jan-24 22:19 < 00:01 Earth 0.442544381716181 0.442542699417818 0.442546064085683 14.1753646234908 14.1749398789624 2431480.430032230 0.188957430064891 295.267311417529 12.8458362381568 -73.6779388960797 4828885.6532545 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1979-Jun-22 21:36 < 00:01 Earth 0.483667560775858 0.483666488410093 0.483668633150504 13.6620207501445 13.6616175164037 2444047.399746851 0.100899896818634 117.709101598285 8.76429067264766 -63.294772684541 6553307.6333606 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1988-Jun-16 23:35 < 00:01 Earth 0.400367936536887 0.400367463833925 0.400368409245016 13.9437757843878 13.9432984968343 2447329.482625783 0.0633269150876375 81.508387718798 9.21709774129782 -74.4610068169309 5627643.93058155 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1997-Feb-01 20:23 < 00:01 Earth 0.414338792236301 0.414338375751471 0.414339208722685 16.2083187601292 16.2079220035773 2450481.349414384 0.0482100634254417 56.5213426816308 13.5803964515785 73.3583982365841 4339154.17369107 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
1997-Jun-13 21:46 < 00:01 Earth 0.373698993660528 0.373698767997421 0.373699219324124 14.9132082802348 14.9127301719089 2450613.407085197 0.0428744324718473 49.6391038812086 10.102990856199 84.1484237194028 4967209.58568524 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2006-Jan-30 06:27 < 00:01 Earth 0.392613348613306 0.392613078863996 0.392613618362639 14.7570604300262 14.7566005397712 2453765.768811153 0.0344932301695635 29.234456192614 13.2744714680415 -85.2107180937074 4421207.33133431 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2006-Jun-13 04:05 < 00:01 Earth 0.419263613170033 0.419263220726555 0.41926400561401 16.8633229175056 16.862946051573 2453899.670446187 0.0424189358327058 33.6976818513139 10.8728477529449 59.3276267982104 4581008.69614646 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2015-Jan-25 22:33 < 00:01 Earth 0.438171180186642 0.438170788079726 0.438171572294056 14.1983513800866 14.1979230908327 2457048.439817470 0.0296619673862098 37.0466512939394 13.3104619107566 -65.5258813693859 4500103.98592961 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2049-Jun-22 16:15 < 00:01 Earth 0.486365372526068 0.486363782732185 0.486366962336042 13.6533835698816 13.6529823191844 2469615.177224629 0.126874749145654 161.20674003424 8.88076228403294 -60.6975127404991 6381567.4419749 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2058-Jun-17 20:17 < 00:01 Earth 0.402807064989328 0.402805827630297 0.402808302379156 13.9116158304373 13.9111403363472 2472897.345383162 0.11597825468485 188.0743702496 9.34293957753904 -71.052588312505 5528120.62264567 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2067-Feb-02 14:44 < 00:01 Earth 0.419236887376458 0.419235671786186 0.419238103020184 16.2675133594247 16.2671226652715 2476049.114088312 0.0537635446676302 248.876684145427 12.6392808127111 76.2014280375337 4687932.87467065 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2067-Jun-14 14:58 < 00:01 Earth 0.371161383299736 0.371161151716586 0.371161614892337 14.8663951630474 14.8659122699995 2476181.123578114 0.075270058216533 210.693534909746 10.3457670857022 88.6035181157703 4902105.9833431 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2076-Jan-31 02:32 < 00:01 Earth 0.394292621239939 0.394292161821286 0.394293080730335 14.7944504261048 14.7939936518956 2479333.605803119 0.126045862399475 313.253479379614 12.109086666037 -86.4371999538581 4800506.59743298 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2076-Jun-12 19:02 < 00:01 Earth 0.413880491985447 0.413878460122476 0.413882523894012 16.780277536971 16.7798938798837 2479467.293234673 0.0431670195718758 240.340503899405 11.1842829705092 65.2007564465496 4575571.20279114 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2085-Jan-25 19:08 < 00:01 Earth 0.436891325034067 0.436889271887544 0.436893378283231 14.2094422053079 14.2090129966592 2482616.297355131 0.205945982534406 351.811792820079 12.7733488454629 -73.2055026119629 4822755.2309047 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2119-Jun-24 13:12 < 00:01 Earth 0.491135967058296 0.491131754825959 0.491140179404091 13.6476465426235 13.6472490224477 2495183.049701958 0.343304585361829 427.712624049354 8.75419695507434 -60.6083574722931 6488900.68957865 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2128-Jun-18 16:04 < 00:01 Earth 0.405236216633365 0.405233211526967 0.405239221913793 13.8787713293771 13.8782975670787 2498465.169126754 0.28129371396969 445.521020063348 9.20258440319295 -70.3785126997211 5594815.033896 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2137-Feb-03 09:31 < 00:01 Earth 0.425357861868015 0.425354917184265 0.425360806806368 16.3749608465926 16.374578301447 2501616.896261946 0.0990376985067715 541.21976722049 12.8197791165544 74.3147502459944 4658394.96061593 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2137-Jun-15 10:24 < 00:01 Earth 0.368372383202713 0.368372175812396 0.368372590597113 14.7836818289854 14.7831925575378 2501748.933011078 0.162450392730617 454.654055304879 10.2476210771099 -89.8238725206588 4904539.09563499 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2146-Feb-01 01:10 < 00:01 Earth 0.395698067558571 0.395697621045004 0.395698514357504 14.8559768486407 14.8555235819149 2504901.548919380 0.255835815950446 634.07573690364 12.2145240640962 -88.3160722421693 4790658.62470175 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2146-Jun-14 09:55 < 00:01 Earth 0.405848912395459 0.405845115783596 0.405852709199194 16.6067896284809 16.6063942914871 2505034.913524987 0.0405752346091408 479.752844970655 11.1287294895075 66.793737629884 4563084.01252956 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2155-Jan-27 20:04 < 00:01 Earth 0.433724504859704 0.433720915607798 0.433728094506277 14.2255955402637 14.2251636886645 2508184.335962543 0.393839026585627 678.136858819018 12.6824581693147 -74.7322233141552 4872954.49752968 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2189-Jun-24 14:08 < 00:01 Earth 0.499060655130439 0.499053777990873 0.499067532552865 13.6472823468631 13.6468911286433 2520751.088636558 0.556134821016379 684.736302299054 8.69056263148201 -59.9524904748506 6568569.84048979 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
2198-Jun-19 13:11 < 00:01 Earth 0.408713894434304 0.408708984655502 0.408718804620747 13.8472678666549 13.8467970668825 2524033.049585654 0.445000414356897 689.085307553218 9.06969914025991 -69.2001514247615 5663771.44442602 T 322 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:10 2020-Sep-20 06:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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