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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 ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859495321772223 1.3822e-07  
a 3.061734570396869 7.1002e-08 au
q 2.492406459380742 4.7039e-07 au
i 2.30686215207709 6.3688e-06 deg
node 77.90834580752109 0.0002534 deg
peri 328.7925137669756 0.00026704 deg
M 5.43426980111882 8.2989e-05 deg
tp 2459366.961500550571
(2021-Jun-01.46150055)
0.00045029 TDB
period 1956.814841914049
5.36
6.8068e-05
1.864e-07
d
yr
n .1839724394403446 6.3995e-09 deg/d
Q 3.631062681412995 8.4205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2005-12-28  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6573  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:39  

Additional Information
 Earth MOID = 1.50201 au 
 Jupiter MOID = 1.76572 au 
 T_jup = 3.206 
[ 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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