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146120 (2000 RM18)
Classification: Main-belt Asteroid          SPK-ID: 2146120
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402771622922803 6.703e-08  
a 2.806866242218189 1.6592e-08 au
q 2.413127010825825 1.8866e-07 au
i 7.027756081864609 5.7289e-06 deg
node 303.838085333971 4.547e-05 deg
peri 40.5557085540747 4.8152e-05 deg
M 76.3957916217427 1.4041e-05 deg
tp 2458635.999660133767
(2019-Jun-01.49966013)
6.6709e-05 TDB
period 1717.635481828007
4.70
1.523e-05
4.17e-08
d
yr
n .20959045374218 1.8584e-09 deg/d
Q 3.200605473610552 1.8919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      7013 days (19.20 yr)  
   first obs. used      2000-09-01  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52742  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:57:52  

Additional Information
 Earth MOID = 1.41009 au 
 Jupiter MOID = 2.20109 au 
 T_jup = 3.297 
[ 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 15.3   n/a MPO453926  

146120 (2000 RM18)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2000 RM18 = 2001 YN72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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