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212717 (2007 RH118)
Classification: Main-belt Asteroid          SPK-ID: 2212717
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08786677101241482 4.451e-08  
a 2.365968604727841 1.3213e-08 au
q 2.158078583113658 1.0234e-07 au
i 6.535222012241086 4.9188e-06 deg
node 15.888653921 3.1787e-05 deg
peri 126.2723148214231 4.0826e-05 deg
M 56.13893335030284 2.4004e-05 deg
tp 2458793.212292262468
(2019-Nov-05.71229226)
8.8639e-05 TDB
period 1329.26598943136
3.64
1.1135e-05
3.049e-08
d
yr
n .2708261573396628 2.2686e-09 deg/d
Q 2.573858626342025 1.4374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:49:28  

Additional Information
 Earth MOID = 1.17711 au 
 Jupiter MOID = 2.42829 au 
 T_jup = 3.534 
[ 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 16.5   n/a MPO454527  

212717 (2007 RH118)          Discovered 2007-Sep-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 RH118 = 1998 HA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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