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120866 (1998 RL2)
Classification: Main-belt Asteroid          SPK-ID: 2120866
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219496065529497 3.4792e-08  
a 2.183549943114588 7.6178e-09 au
q 1.917266886663048 7.9339e-08 au
i 5.56230140877683 3.3977e-06 deg
node 125.3159985978284 3.6718e-05 deg
peri 146.9464905240472 4.0887e-05 deg
M 335.8876085309733 1.6035e-05 deg
tp 2459079.437052634307
(2020-Aug-17.93705263)
5.2356e-05 TDB
period 1178.536728090766
3.23
6.1674e-06
1.689e-08
d
yr
n .3054635391662348 1.5985e-09 deg/d
Q 2.449832999566128 8.5468e-09 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:57:43  

Additional Information
 Earth MOID = .903718 au 
 Jupiter MOID = 2.64034 au 
 T_jup = 3.663 
[ 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 15.9   n/a MPO310009  
diameter diameter 1.683 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120866 (1998 RL2)          Discovered 1998-Sep-15 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 RL2 = 2000 AG67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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