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186436 (2002 RG137)
Classification: Main-belt Asteroid          SPK-ID: 2186436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148831813885503 4.5325e-08  
a 2.269360778935903 7.7848e-09 au
q 1.931607697846254 1.0314e-07 au
i 6.021157067758091 5.3773e-06 deg
node 187.7082532892877 3.7303e-05 deg
peri 192.0276327673146 4.0225e-05 deg
M 105.2968898248727 1.4846e-05 deg
tp 2458835.269711162987
(2019-Dec-17.76971116)
5.1128e-05 TDB
period 1248.687441765888
3.42
6.4252e-06
1.759e-08
d
yr
n .2883027312991068 1.4835e-09 deg/d
Q 2.607113860025551 8.9434e-09 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1991-05-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:15  

Additional Information
 Earth MOID = .932703 au 
 Jupiter MOID = 2.85213 au 
 T_jup = 3.592 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.84   n/a MPCxxxxx  
diameter diameter 1.499 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186436 (2002 RG137)          Discovered 2002-Sep-12 by Tucker, R. A. at Goodricke-Pigott
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 RG137 = 1995 QM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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