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JPL Small-Body Database Browser
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487779 (2015 RJ222)
Classification: Main-belt Asteroid          SPK-ID: 2487779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082126918256526 6.5254e-08  
a 3.113471182442785 5.0273e-08 au
q 2.465206966624776 2.1116e-07 au
i 1.992615766002402 8.7979e-06 deg
node 72.71806520114109 0.00037878 deg
peri 7.849952244506982 0.00038175 deg
M 188.016344616056 4.4723e-05 deg
tp 2459559.128589461580
(2021-Dec-10.62858946)
0.00024402 TDB
period 2006.622614432389
5.49
4.8601e-05
1.331e-07
d
yr
n .1794059318432593 4.3453e-09 deg/d
Q 3.761735398260795 6.074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1995-01-29  
   last obs. used      2017-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67213  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:34  

Additional Information
 Earth MOID = 1.4809 au 
 Jupiter MOID = 1.49951 au 
 T_jup = 3.183 
[ 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 17.2   n/a MPO364613  

487779 (2015 RJ222)          Discovered 2004-Oct-04 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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