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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2683879144744899 3.5393e-08  
a 2.604752727007394 1.051e-08 au
q 1.90566857488414 8.9012e-08 au
i 4.05040285771598 3.8248e-06 deg
node 264.8610745382267 9.5854e-05 deg
peri 24.35866279153427 9.6475e-05 deg
M 146.7429501292725 1.2952e-05 deg
tp 2458574.602921958505
(2019-Apr-01.10292196)
5.377e-05 TDB
period 1535.494195097215
4.20
9.2932e-06
2.544e-08
d
yr
n .2344522051268371 1.419e-09 deg/d
Q 3.303836879130649 1.333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8148 days (22.31 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:15  

Additional Information
 Earth MOID = .888288 au 
 Jupiter MOID = 1.89091 au 
 T_jup = 3.357 
[ 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 15.93   n/a E2021B55  
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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