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216701 (2004 RW162)
Classification: Main-belt Asteroid          SPK-ID: 2216701
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134540158348607 8.8206e-08  
a 3.134049232761098 4.1758e-08 au
q 2.778478761480187 3.0607e-07 au
i 9.907881757595657 6.0351e-06 deg
node 293.7170760979857 3.2206e-05 deg
peri 53.04665679183594 4.1252e-05 deg
M 25.30194815515879 2.4729e-05 deg
tp 2459254.067659974067
(2021-Feb-08.56765997)
0.00013866 TDB
period 2026.549184865087
5.55
4.0503e-05
1.109e-07
d
yr
n .1776418764906346 3.5504e-09 deg/d
Q 3.489619704042008 4.6496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54112  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:34:06  

Additional Information
 Earth MOID = 1.78341 au 
 Jupiter MOID = 1.91666 au 
 T_jup = 3.179 
[ 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 15.09   n/a MPCxxxxx  

216701 (2004 RW162)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ 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
1967-Nov-23 23:27 00:03 Jupiter 1.98560458686478 1.98560398336109 1.98560519036848 3.63918090947377 3.52001056268894 2439818.477048730 2.70145920671268 177.169297281414 28.7743708148722 -88.06918155572 1681523.89233047 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 03:34:07 2021-Jul-09 03:34
1978-May-19 08:41 00:02 Jupiter 1.96447829298386 1.96447766849178 1.9644789174775 4.23969268758873 4.13674457858837 2443647.862036218 1.9745447404988 157.839752935138 22.0913399133825 -83.682159003692 2637983.05665072 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 03:34:07 2021-Jul-09 03:34
2062-Jan-17 02:56 00:03 Jupiter 1.9498330665036 1.94983243973117 1.94983369327614 4.03621516468542 3.92711311805092 2474206.622184156 2.85740281613328 162.475336913861 29.4204582865694 88.1965320749619 2653288.28205538 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 03:34:07 2021-Jul-09 03:34
2145-Sep-21 19:33 00:08 Jupiter 1.99206409722718 1.99206242707286 1.99206576738455 3.67876430038777 3.56130733486168 2504769.314742468 7.81155671507795 212.389787511274 72.2034090590887 -71.4873604339138 2123837.62383164 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 03:34:07 2021-Jul-09 03:34
2156-Mar-17 11:52 00:08 Jupiter 1.9910339748555 1.99103250044383 1.99103544932025 4.38022048682812 4.28199657752351 2508598.994640726 8.35676265164136 554.981807036433 21.6145564563466 -83.3526195124119 2837081.09503975 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 03:34:07 2021-Jul-09 03:34

Alternate Designations
 2004 RW162 = 1999 XY239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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