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66252 (1999 GM2)
Classification: Main-belt Asteroid          SPK-ID: 2066252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985472994728805 3.2948e-08  
a 2.395023439130939 9.278e-09 au
q 1.91949800311724 7.8468e-08 au
i 4.509117317342885 3.6202e-06 deg
node 146.1187772342232 4.662e-05 deg
peri 161.3790847629457 4.7455e-05 deg
M 178.847322723846 8.816e-06 deg
tp 2458327.921436263962
(2018-Jul-28.42143626)
3.2731e-05 TDB
period 1353.826712401161
3.71
7.8668e-06
2.154e-08
d
yr
n .2659129094605471 1.5452e-09 deg/d
Q 2.870548875144638 1.112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      12525 days (34.29 yr)  
   first obs. used      1985-10-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:53:40  

Additional Information
 Earth MOID = .905429 au 
 Jupiter MOID = 2.39213 au 
 T_jup = 3.498 
[ 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 14.6   n/a MPO453058  
diameter diameter 3.223 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66252 (1999 GM2)          Discovered 1999-Apr-06 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GM2 = 1985 UE2 = 1996 TF54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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