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142154 (2002 RM28)
Classification: Main-belt Asteroid          SPK-ID: 2142154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756981245182917 4.7647e-08  
a 2.432066147339082 1.6319e-08 au
q 2.004756686547178 1.2252e-07 au
i 2.232574935727365 5.3566e-06 deg
node 354.4178338928782 0.00011841 deg
peri 268.9569175352365 0.00011991 deg
M 340.5493281211481 2.5299e-05 deg
tp 2459275.350310763299
(2021-Mar-01.85031076)
9.7903e-05 TDB
period 1385.356353889518
3.79
1.3943e-05
3.817e-08
d
yr
n .2598609368551754 2.6154e-09 deg/d
Q 2.859375608130986 1.9186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:42:35  

Additional Information
 Earth MOID = .988923 au 
 Jupiter MOID = 2.22136 au 
 T_jup = 3.485 
[ 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 16.81   n/a E2021B55  

142154 (2002 RM28)          Discovered 2002-Sep-05 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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