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120873 (1998 RH26)
Classification: Main-belt Asteroid          SPK-ID: 2120873
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 .1617973119314229 3.5405e-08  
a 2.208880927035674 9.4754e-09 au
q 1.851489930664713 7.7439e-08 au
i 3.963226319732518 4.7823e-06 deg
node 55.94230157819085 5.5124e-05 deg
peri 285.7374260899242 5.7632e-05 deg
M 222.8866118105843 1.9161e-05 deg
tp 2459457.203402002273
(2021-Aug-30.70340200)
6.5634e-05 TDB
period 1199.104091087655
3.28
7.7157e-06
2.112e-08
d
yr
n .3002241445723528 1.9318e-09 deg/d
Q 2.566271923406636 1.1009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      7920 days (21.68 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54685  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:40:37  

Additional Information
 Earth MOID = .848206 au 
 Jupiter MOID = 2.82175 au 
 T_jup = 3.639 
[ 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 16.4   n/a MPO469253  

120873 (1998 RH26)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 RH26 = 2003 AC33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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