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312717 (2010 RQ40)
Classification: Main-belt Asteroid          SPK-ID: 2312717
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500933393348141 5.1589e-08  
a 2.683332199341344 2.6897e-08 au
q 2.28058190899757 1.3956e-07 au
i 10.93694312191993 5.7264e-06 deg
node 278.762028651092 3.0098e-05 deg
peri 238.9537898215102 3.5789e-05 deg
M 287.2019669326013 2.196e-05 deg
tp 2459325.158841444836
(2021-Apr-20.65884144)
0.00010031 TDB
period 1605.499187209251
4.40
2.414e-05
6.609e-08
d
yr
n .2242293256004493 3.3714e-09 deg/d
Q 3.086082489685117 3.0934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6475 days (17.73 yr)  
   first obs. used      2003-01-27  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54826  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:46:19  

Additional Information
 Earth MOID = 1.31296 au 
 Jupiter MOID = 2.03989 au 
 T_jup = 3.333 
[ 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 15.9   n/a MPO455305  

312717 (2010 RQ40)          Discovered 2005-May-16 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2010 RQ40 = 2008 ES99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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