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JPL Small-Body Database Browser
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487776 (2015 RJ217)
Classification: Main-belt Asteroid          SPK-ID: 2487776
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353721164638893 8.8288e-08  
a 3.078789406574351 1.4287e-07 au
q 2.354128227802344 2.0225e-07 au
i 12.20046072047802 1.6076e-05 deg
node 186.3348502520074 2.8327e-05 deg
peri 246.3088027909748 0.00010607 deg
M 269.4583113563187 6.6545e-05 deg
tp 2459496.765965158814
(2021-Oct-09.26596516)
0.00033922 TDB
period 1973.187712019119
5.40
0.00013735
3.76e-07
d
yr
n .182445895951592 1.2699e-08 deg/d
Q 3.803450585346358 1.765e-07 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      4583 days (12.55 yr)  
   first obs. used      2004-09-12  
   last obs. used      2017-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51502  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:52:40  

Additional Information
 Earth MOID = 1.39894 au 
 Jupiter MOID = 1.7339 au 
 T_jup = 3.152 
[ 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 16.8   n/a MPO413572  

487776 (2015 RJ217)          Discovered 2004-Sep-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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