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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931772182107695 4.1924e-08  
a 2.843760477352887 1.6112e-08 au
q 2.294410739080126 1.219e-07 au
i 1.816369668783892 6.1366e-06 deg
node 190.1751424109979 0.00012423 deg
peri 235.7915747013822 0.00012517 deg
M 169.4574775562349 1.4376e-05 deg
tp 2458175.989511349395
(2018-Feb-26.48951135)
6.7864e-05 TDB
period 1751.612145977542
4.80
1.4886e-05
4.076e-08
d
yr
n .2055249507299407 1.7467e-09 deg/d
Q 3.393110215625648 1.9225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7822 days (21.42 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:11  

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

[ 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
1900-Nov-10 17:43 00:03 Jupiter 1.91977316775013 1.91977283813325 1.9197734973668 1.8491382903213 1.59276270846847 2415334.238005063 2.97432949504613 73.2907746017523 26.1056050431282 79.8817795387211 2718432.23024999 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
1925-Jan-24 14:43 00:02 Jupiter 1.93750230304721 1.93750187231186 1.93750273378233 2.01278210055283 1.78239922599909 2424175.113436825 2.30121195628765 60.8322494987246 20.2013043269256 -87.2229065711916 1969873.49527346 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
1949-Apr-13 05:32 00:02 Jupiter 1.97803657517546 1.97803599186677 1.97803715848392 2.33282232406228 2.14140898445439 2433019.730274388 1.67722299614395 64.313678734235 4.9945231625124 -85.4835816170017 1830185.88703982 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
2078-Feb-03 02:06 00:02 Jupiter 1.98572566159197 1.98572504386224 1.98572627932147 1.96964380185049 1.73965093928337 2480067.587569972 1.61096860099754 70.8468190777641 19.7837580520838 86.5558870470931 2044139.70551505 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
2102-Apr-23 09:50 00:02 Jupiter 1.9310460728458 1.93104561528937 1.93104653040212 1.8367341580327 1.57997604814442 2488911.909681757 2.23665803759692 73.7665296559091 27.4430870193906 82.5620419342999 2384103.93157149 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
2126-Jul-05 23:25 00:03 Jupiter 1.91190641050956 1.91190609681802 1.91190672420099 1.85516834074279 1.59862421662696 2497751.475634477 2.92334060053567 66.6522494462432 35.494210464997 78.1936246682216 2337237.61031213 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
2150-Sep-20 13:42 00:04 Jupiter 1.92861860126083 1.92861793287411 1.92861926964678 2.04029546244524 1.81230056527188 2506594.070850906 3.69191790005101 71.844154237984 30.4158672374027 -69.3218740757428 1185860.29896097 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40
2174-Dec-09 09:00 00:05 Jupiter 1.98818806563233 1.98818675851088 1.98818937275424 2.44390081737459 2.26287350113124 2515439.875134932 4.50285887325732 123.246309928154 6.61935304896909 -87.6002357345835 1375336.21647068 T 20 CATAB v2.0f-lin.ifort 2020-May-20 15:40:27 2020-May-20 15:40

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