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91506 (1999 RC160)
Classification: Main-belt Asteroid          SPK-ID: 2091506
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2274507320558043 5.5322e-08  
a 2.73192292974282 1.6942e-08 au
q 2.110545059452777 1.5299e-07 au
i 14.01418790953341 6.6836e-06 deg
node 1.897472012525429 1.6393e-05 deg
peri 9.543695965618223 1.9232e-05 deg
M 192.1421885477965 1.2331e-05 deg
tp 2459769.524449505848
(2022-Jul-09.02444951)
6.0545e-05 TDB
period 1649.305441474413
4.52
1.5342e-05
4.2e-08
d
yr
n .2182736993083431 2.0305e-09 deg/d
Q 3.353300800032862 2.0796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:41:58  

Additional Information
 Earth MOID = 1.11122 au 
 Jupiter MOID = 2.11873 au 
 T_jup = 3.274 
[ 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 15.0   n/a MPO337940  

91506 (1999 RC160)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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