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146957 (2002 FG25)
Classification: Main-belt Asteroid          SPK-ID: 2146957
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 .06961055396354342 6.0139e-08  
a 3.150969349538252 3.834e-08 au
q 2.931628627594748 1.9465e-07 au
i 20.18312976710801 6.3597e-06 deg
node 99.36134951685131 1.7781e-05 deg
peri 161.025723102303 4.7054e-05 deg
M 5.695638996244188 4.166e-05 deg
tp 2458968.177521968223
(2020-Apr-28.67752197)
0.00023646 TDB
period 2042.982727506592
5.59
3.7288e-05
1.021e-07
d
yr
n .1762129435325039 3.2162e-09 deg/d
Q 3.370310071481756 4.1009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2000-12-30  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:39  

Additional Information
 Earth MOID = 1.92059 au 
 Jupiter MOID = 1.782 au 
 T_jup = 3.109 
[ 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 MPO302718  
diameter diameter 7.520 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146957 (2002 FG25)          Discovered 2002-Mar-19 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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