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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861445131455573 1.3898e-07  
a 3.063734048259517 7.1828e-08 au
q 2.493436765438781 4.732e-07 au
i 2.306962754777544 6.3688e-06 deg
node 77.91980480004295 0.0002533 deg
peri 328.5734664932552 0.00026686 deg
M 292.7864641872904 8.0722e-05 deg
tp 2459366.203623126862
(2021-May-31.70362313)
0.00044916 TDB
period 1958.732013333181
5.36
6.8882e-05
1.886e-07
d
yr
n .183792370548632 6.4634e-09 deg/d
Q 3.634031331080251 8.5198e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:48  

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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