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120883 (1998 RH49)
Classification: Main-belt Asteroid          SPK-ID: 2120883
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137182468316246 5.8386e-08  
a 2.900494022383184 2.1413e-08 au
q 2.502597093056143 1.6523e-07 au
i 1.14506426924029 7.0638e-06 deg
node 327.4855626958819 0.00037534 deg
peri 333.882585639982 0.00037664 deg
M 185.7735980962631 3.5602e-05 deg
tp 2459873.708301783224
(2022-Oct-21.20830178)
0.00018296 TDB
period 1804.290194867521
4.94
1.998e-05
5.47e-08
d
yr
n .199524445138623 2.2095e-09 deg/d
Q 3.298390951710226 2.4351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      7817 days (21.40 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:24:00  

Additional Information
 Earth MOID = 1.48717 au 
 Jupiter MOID = 1.91537 au 
 T_jup = 3.273 
[ 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 16.1   n/a MPO351699  

120883 (1998 RH49)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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