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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282817741399985 3.8612e-08  
a 2.779200619060612 1.5806e-08 au
q 2.422679832956534 1.1254e-07 au
i 9.136451549689033 7.2124e-06 deg
node 179.1947152806037 2.8816e-05 deg
peri 96.88329152648552 4.1767e-05 deg
M 311.0633238626597 3.0837e-05 deg
tp 2459230.543645297019
(2021-Jan-16.04364530)		 0.00014552 TDB
period 1692.30358176565
4.63		 1.4437e-05
3.953e-08		 d
yr
n .2127277894338539 1.8148e-09 deg/d
Q 3.135721405164689 1.7834e-08 au
   Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      11218 days (30.71 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:04  

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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