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190797 (2001 RA45)
Classification: Main-belt Asteroid          SPK-ID: 2190797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2249004283612042 8.9183e-08  
a 2.337859734538567 1.1121e-08 au
q 1.812074078792432 2.0336e-07 au
i 7.602438378891612 7.177e-06 deg
node 331.1876989352484 4.5229e-05 deg
peri 351.7193921470611 4.8478e-05 deg
M 160.6491556831387 2.1219e-05 deg
tp 2458617.857647992753
(2019-May-14.35764799)
7.4166e-05 TDB
period 1305.647986948142
3.57
9.3163e-06
2.551e-08
d
yr
n .275725159919615 1.9674e-09 deg/d
Q 2.863645390284701 1.3622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      2001-07-22  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:10  

Additional Information
 Earth MOID = .798313 au 
 Jupiter MOID = 2.47226 au 
 T_jup = 3.520 
[ 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 16.6   n/a MPO503009  

190797 (2001 RA45)          Discovered 2001-Sep-09 by NEAT at Palomar
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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