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487718 (2015 RO54)
Classification: Main-belt Asteroid          SPK-ID: 2487718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099405625273089 4.5469e-08  
a 2.22104188654094 2.118e-08 au
q 1.976859292137914 9.7943e-08 au
i 6.133261953133267 7.6118e-06 deg
node 197.3778696844139 5.237e-05 deg
peri 51.81590241471795 6.4933e-05 deg
M 252.2859476462143 4.0935e-05 deg
tp 2459362.245730878920
(2021-May-27.74573088)
0.00013992 TDB
period 1209.020181402859
3.31
1.7294e-05
4.735e-08
d
yr
n .2977617789492003 4.2592e-09 deg/d
Q 2.465224480943967 2.3509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2001-04-16  
   last obs. used      2018-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:48:51  

Additional Information
 Earth MOID = .970349 au 
 Jupiter MOID = 2.55187 au 
 T_jup = 3.634 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO456351  

487718 (2015 RO54)          Discovered 2012-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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