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312718 (2010 RG44)
Classification: Main-belt Asteroid          SPK-ID: 2312718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0419355511655171 6.6402e-08  
a 2.437666183498326 1.8884e-08 au
q 2.335441308535781 1.5934e-07 au
i 5.246765677270212 5.0527e-06 deg
node 281.331117020765 6.4193e-05 deg
peri 211.2036158086976 0.00010778 deg
M 57.66586407654217 8.4209e-05 deg
tp 2458777.822632200739
(2019-Oct-21.32263220)
0.00032492 TDB
period 1390.143955899617
3.81
1.6153e-05
4.422e-08
d
yr
n .258965985840675 3.0091e-09 deg/d
Q 2.539891058460871 1.9675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2001-03-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:00  

Additional Information
 Earth MOID = 1.35189 au 
 Jupiter MOID = 2.48381 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457487.5 (2016-Apr-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04234214283265492 6.7497e-08  
q 2.335473804571753 1.6237e-07 au
tp 2457392.368587030653
(2016-Jan-04.86858703)
0.00031484 TDB
node 281.3971277615815 6.4191e-05 deg
peri 212.5006163501173 0.00010588 deg
i 5.245897147387126 5.0547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2001-03-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:00  

Additional Information
 Jupiter MOID = 2.48381 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.555805388127626E-15 -1.089340450389354E-14 1.309538528585638E-11 1.143806154740347E-13 3.470649739237418E-12 3.005723831109018E-16
q -1.089340450389354E-14 2.636307049146633E-14 -3.179577428394735E-11 -2.712640521719535E-13 -8.430418256208736E-12 -3.558537752404934E-16
tp 1.309538528585638E-11 -3.179577428394735E-11 9.912656460343068E-8 4.581846937909496E-10 2.655976815034489E-8 1.171072563155641E-11
node 1.143806154740347E-13 -2.712640521719535E-13 4.581846937909496E-10 4.120450038082126E-9 -3.97776050612888E-9 1.612030240992354E-10
peri 3.470649739237418E-12 -8.430418256208736E-12 2.655976815034489E-8 -3.97776050612888E-9 1.121078878444856E-8 -1.573417355404535E-10
i 3.005723831109018E-16 -3.558537752404934E-16 1.171072563155641E-11 1.612030240992354E-10 -1.573417355404535E-10 2.555010377627042E-11

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 16.8   n/a MPO455305  

312718 (2010 RG44)          Discovered 2010-Sep-06 by Fratev, F. at Plana
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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