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129676 (1998 RM42)
Classification: Main-belt Asteroid          SPK-ID: 2129676
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2894230343545197 7.3724e-08  
a 2.563716748778178 1.9882e-08 au
q 1.821718068121294 1.9927e-07 au
i 3.924337378870533 6.5312e-06 deg
node 238.738649640437 9.2816e-05 deg
peri 103.0732731061068 9.6114e-05 deg
M 112.1495861870352 3.2065e-05 deg
tp 2458533.412050993871
(2019-Feb-18.91205099)
0.00012848 TDB
period 1499.351601367257
4.11
1.7441e-05
4.775e-08
d
yr
n .240103788645516 2.793e-09 deg/d
Q 3.305715429435063 2.5636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      9201 days (25.19 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:56:16  

Additional Information
 Earth MOID = .818669 au 
 Jupiter MOID = 2.13799 au 
 T_jup = 3.370 
[ 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 15.7   n/a MPO449742  

129676 (1998 RM42)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 RM42 = 2002 LU52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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