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JPL Small-Body Database Browser
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487785 (2015 RO229)
Classification: Main-belt Asteroid          SPK-ID: 2487785
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861441222922854 3.9804e-07  
a 3.063734056009965 7.3188e-08 au
q 2.493437969217007 1.2473e-06 au
i 2.30695943584035 8.2466e-06 deg
node 77.91998800207995 0.00027852 deg
peri 328.573523492191 0.0003611 deg
M 292.7862724744491 0.0002064 deg
tp 2459366.204667609234
(2021-May-31.70466761)
0.0011292 TDB
period 1958.732020765803
5.36
7.0187e-05
1.922e-07
d
yr
n .1837923698512119 6.5858e-09 deg/d
Q 3.634030142802923 8.6812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4056 days (11.10 yr)  
   first obs. used      2005-12-28  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69585  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:30  

Additional Information
 Earth MOID = 1.50352 au 
 Jupiter MOID = 1.76157 au 
 T_jup = 3.205 
[ 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 17.7   n/a MPO399135  

487785 (2015 RO229)          Discovered 2005-Dec-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RO229 = 2006 AJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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