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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221614277408624 3.4617e-08  
a 2.18393480913561 7.6877e-09 au
q 1.917142214758636 7.9102e-08 au
i 5.562724159150574 3.2864e-06 deg
node 125.3142363289849 3.588e-05 deg
peri 146.8552757810264 4.008e-05 deg
M 37.04185561710908 1.5662e-05 deg
tp 2459079.203528804855
(2020-Aug-17.70352880)
5.1508e-05 TDB
period 1178.848329889906
3.23
6.2245e-06
1.704e-08
d
yr
n .3053827968129036 1.6125e-09 deg/d
Q 2.450727403512584 8.6268e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      8001 days (21.91 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:30  

Additional Information
 Earth MOID = .901776 au 
 Jupiter MOID = 2.63826 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 15.99   n/a E2021B55  
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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