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120881 (1998 RG45)
Classification: Main-belt Asteroid          SPK-ID: 2120881
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282817741086835 3.8613e-08  
a 2.779200618903311 1.5814e-08 au
q 2.422679832906443 1.1254e-07 au
i 9.136451676200901 7.2159e-06 deg
node 179.1947151594015 2.8817e-05 deg
peri 96.88329139558043 4.1772e-05 deg
M 311.0633241722883 3.0849e-05 deg
tp 2459230.543643821972
(2021-Jan-16.04364382)		 0.00014558 TDB
period 1692.303581621975
4.63		 1.4444e-05
3.955e-08		 d
yr
n .2127277894519143 1.8156e-09 deg/d
Q 3.135721404900179 1.7842e-08 au
   Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      11204 days (30.67 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:57:43  

Additional Information
 Earth MOID = 1.4279 au 
 Jupiter MOID = 2.0355 au 
 T_jup = 3.303 
[ 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 14.9   n/a MPO436584  

120881 (1998 RG45)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 RG45 = 1989 TF5 = 2003 UZ90 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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