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120888 (1998 RM70)
Classification: Main-belt Asteroid          SPK-ID: 2120888
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09048734552937443 4.4165e-08  
a 2.261770863774774 1.0071e-08 au
q 2.057109222116114 9.8507e-08 au
i 7.085332786819065 4.3388e-06 deg
node 134.0358088231986 3.413e-05 deg
peri 267.4707197669575 4.1837e-05 deg
M 156.829822001341 2.4898e-05 deg
tp 2458659.250530865032
(2019-Jun-24.75053087)
8.5004e-05 TDB
period 1242.428298406933
3.40
8.2986e-06
2.272e-08
d
yr
n .2897551516345847 1.9354e-09 deg/d
Q 2.466432505433434 1.0983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      9998 days (27.37 yr)  
   first obs. used      1993-01-24  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:01  

Additional Information
 Earth MOID = 1.07839 au 
 Jupiter MOID = 2.82867 au 
 T_jup = 3.604 
[ 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 16.05   n/a E2021B55  

120888 (1998 RM70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 RM70 = 2005 UA161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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