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109711 (2001 RQ45)
Classification: Main-belt Asteroid          SPK-ID: 2109711
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06017556831439726 3.9071e-08  
a 2.741248673521175 1.4105e-08 au
q 2.576292476700951 1.093e-07 au
i 5.73087516188861 4.6049e-06 deg
node 18.55837871826662 4.3121e-05 deg
peri 14.89191620790565 5.9039e-05 deg
M 20.18990520457177 3.9409e-05 deg
tp 2458907.527853525655
(2020-Feb-28.02785353)
0.00018143 TDB
period 1657.757794879858
4.54
1.2795e-05
3.503e-08
d
yr
n .2171607946057586 1.6761e-09 deg/d
Q 2.9062048703414 1.4954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      21588 days (59.10 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:17:24  

Additional Information
 Earth MOID = 1.58223 au 
 Jupiter MOID = 2.35676 au 
 T_jup = 3.340 
[ 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 15.2   n/a MPO309940  

109711 (2001 RQ45)          Discovered 2001-Sep-14 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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