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487722 (2015 RK71)
Classification: Main-belt Asteroid          SPK-ID: 2487722
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06286143401013619 1.1625e-07  
a 2.749436441658831 6.5461e-08 au
q 2.57660292421643 3.1887e-07 au
i 2.919071828326248 7.9574e-06 deg
node 48.21883971417637 0.00022225 deg
peri 58.18527756985017 0.00024164 deg
M 276.7160496618977 0.00010037 deg
tp 2459385.732367335553
(2021-Jun-20.23236734)
0.0004718 TDB
period 1665.190612090257
4.56
5.9469e-05
1.628e-07
d
yr
n .2161914662418762 7.7209e-09 deg/d
Q 2.92226995910123 6.9576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      4205 days (11.51 yr)  
   first obs. used      2008-02-02  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:37  

Additional Information
 Earth MOID = 1.59492 au 
 Jupiter MOID = 2.14756 au 
 T_jup = 3.342 
[ 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 17.1   n/a MPO350656  

487722 (2015 RK71)          Discovered 2011-Nov-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RK71 = 2011 WN52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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