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85812 (1998 WR22)
Classification: Main-belt Asteroid          SPK-ID: 2085812
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931772100141643 4.1374e-08  
a 2.843760473132255 1.5724e-08 au
q 2.294410758984006 1.2079e-07 au
i 1.816373824048791 5.4004e-06 deg
node 190.1751032422099 0.00012136 deg
peri 235.7916241337323 0.00012201 deg
M 169.4574705322134 1.3135e-05 deg
tp 2458175.989547360973
(2018-Feb-26.48954736)
6.0891e-05 TDB
period 1751.612142077999
4.80
1.4528e-05
3.978e-08
d
yr
n .2055249511874926 1.7046e-09 deg/d
Q 3.393110187280503 1.8762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      7913 days (21.66 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:43  

Additional Information
 Earth MOID = 1.30871 au 
 Jupiter MOID = 1.92529 au 
 T_jup = 3.280 
[ 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 15.3   n/a MPO468828  

85812 (1998 WR22)          Discovered 1998-Nov-18 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
1900-Nov-10 17:43 00:03 Jupiter 1.91977316251223 1.9197728388304 1.91977348619383 1.84913832097909 1.59276274330524 2415334.238189559 2.89840413156475 66.2204183211519 25.1746921729276 77.2516428279637 2736716.40987673 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
1925-Jan-24 14:44 00:02 Jupiter 1.93750230131096 1.9375018757168 1.93750272690491 2.01278206737102 1.7823991883086 2424175.113574702 2.24780781443141 52.7468829884148 19.9713414628255 -88.5405663068396 1974499.55032136 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
1949-Apr-13 05:32 00:02 Jupiter 1.97803655621777 1.97803598289383 1.97803712954147 2.33282213643587 2.14140877814016 2433019.730360162 1.64646702957729 59.0062746959662 4.49509734689503 -86.0368708490021 1866360.03873968 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
2078-Feb-03 02:06 00:02 Jupiter 1.98572577000036 1.9857252072459 1.98572633275481 1.9696441962737 1.73965139923801 2480067.587445961 1.53795628318161 64.773988035835 19.5979645954695 86.535284017311 2188966.33000502 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
2102-Apr-23 09:50 00:02 Jupiter 1.93104613346952 1.93104569258618 1.93104657435276 1.83673427229203 1.57997618968746 2488911.909517173 2.15007549303645 66.2474027736049 27.0477355510816 80.5141298125108 2415130.73637722 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
2126-Jul-05 23:25 00:03 Jupiter 1.91190640752834 1.91190610091856 1.91190671413801 1.85516808817817 1.59862392309913 2497751.475421205 2.81694189842005 58.859737638654 32.9726741058048 72.4111408198983 2446820.68072608 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
2150-Sep-20 13:42 00:04 Jupiter 1.92861850971876 1.92861790654953 1.92861911288744 2.04029471425951 1.81229971145873 2506594.070582377 3.55868294057411 65.3970038036483 28.7945627414564 -67.7393469996763 1284431.67599056 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59
2174-Dec-09 09:00 00:04 Jupiter 1.98818787730745 1.98818668252965 1.98818907208571 2.44389947168458 2.26287202995435 2515439.874806305 4.33928044728163 117.737580891979 5.43941261410351 -87.2904656667748 1527865.97753277 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:45 2020-Nov-12 20:59

Alternate Designations
 1998 WR22 = 2000 GE11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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