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187983 (2001 RM4)
Classification: Main-belt Asteroid          SPK-ID: 2187983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202937089791988 1.3377e-07  
a 2.464136295720153 2.3239e-08 au
q 2.167716201277712 3.1395e-07 au
i 6.283469827246274 7.6089e-06 deg
node 190.8717136288734 4.263e-05 deg
peri 193.1424226042471 4.7247e-05 deg
M 320.0556731763662 2.4185e-05 deg
tp 2459357.264644227076
(2021-May-22.76464423)
9.6315e-05 TDB
period 1412.848241777262
3.87
1.9987e-05
5.472e-08
d
yr
n .254804436424924 3.6046e-09 deg/d
Q 2.760556390162594 2.6035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      8413 days (23.03 yr)  
   first obs. used      1996-04-24  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:45:28  

Additional Information
 Earth MOID = 1.17009 au 
 Jupiter MOID = 2.68908 au 
 T_jup = 3.470 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO433238  

187983 (2001 RM4)          Discovered 2001-Sep-08 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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