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102040 (1999 RG112)
Classification: Main-belt Asteroid          SPK-ID: 2102040
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2553251855106273 4.0765e-08  
a 3.165720717464352 2.2996e-08 au
q 2.35743248800293 1.3079e-07 au
i 14.69164736674219 5.798e-06 deg
node 279.605761135127 2.1355e-05 deg
peri 114.5560272959326 2.5134e-05 deg
M 236.6052636817857 1.4351e-05 deg
tp 2459905.682389226356
(2022-Nov-22.18238923)
8.7129e-05 TDB
period 2057.345942754084
5.63
2.2417e-05
6.137e-08
d
yr
n .1749827253252717 1.9066e-09 deg/d
Q 3.974008946925774 2.8867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      7642 days (20.92 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:01  

Additional Information
 Earth MOID = 1.40813 au 
 Jupiter MOID = 1.71245 au 
 T_jup = 3.103 
[ 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 13.71   n/a E2021B55  
diameter diameter 9.614 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102040 (1999 RG112)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RG112 = 2000 WO86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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