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101929 (1999 RP20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2101929
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588816475521816 5.2632e-08  
a 3.201048663640534 2.6577e-08 au
q 2.692460778066617 1.6917e-07 au
i 16.68018181131198 6.2741e-06 deg
node 346.5528231772273 1.8423e-05 deg
peri 62.84908636352923 2.7123e-05 deg
M 185.2756147244207 2.0679e-05 deg
tp 2460015.784747936998
(2023-Mar-12.28474794)
0.00012702 TDB
period 2091.880355915062
5.73
2.6052e-05
7.133e-08
d
yr
n .1720939722876853 2.1433e-09 deg/d
Q 3.709636549214451 3.08e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:42  

Additional Information
 Earth MOID = 1.74684 au 
 Jupiter MOID = 1.977 au 
 T_jup = 3.109 
[ 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 14.5   n/a MPO264062  

101929 (1999 RP20)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2033-Aug-31 00:10 < 00:01 Jupiter 1.99100814206788 1.99100752106852 1.99100876306793 6.08332735228443 6.01298792678566 2463840.506916487 0.728933164111176 174.74065020758 27.9117350910184 86.3913596919211 3054266.69673904 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:44 2020-Nov-12 19:57
2044-Nov-26 23:59 00:01 Jupiter 1.97982390453165 1.97982320335993 1.97982460570449 5.38978556161548 5.30981487454849 2467946.499496184 1.17864434917811 147.505014529328 27.6361714193402 81.977925250731 2701304.17757974 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:44 2020-Nov-12 19:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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