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101112 (1998 RG51)
Classification: Main-belt Asteroid          SPK-ID: 2101112
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2685140254981003 3.5433e-08  
a 2.604211317563899 1.0501e-08 au
q 1.904944053437105 8.9105e-08 au
i 4.050905532791338 3.8392e-06 deg
node 264.8595790767507 9.847e-05 deg
peri 24.31848498145677 9.9101e-05 deg
M 99.89426065220961 1.3104e-05 deg
tp 2458574.557676203722
(2019-Apr-01.05767620)
5.4924e-05 TDB
period 1535.015481024718
4.20
9.2843e-06
2.542e-08
d
yr
n .2345253220245555 1.4185e-09 deg/d
Q 3.303478581690694 1.332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7811 days (21.39 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:15:59  

Additional Information
 Earth MOID = .889498 au 
 Jupiter MOID = 1.89168 au 
 T_jup = 3.358 
[ 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 MPO253940  
diameter diameter 1.700 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101112 (1998 RG51)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RG51 = 2002 NZ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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