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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06961047481850559 5.8188e-08  
a 3.150969370496828 3.6179e-08 au
q 2.931628896477976 1.9001e-07 au
i 20.18312959850049 6.0727e-06 deg
node 99.36135429736406 1.7589e-05 deg
peri 161.0257400284796 4.665e-05 deg
M 5.69561574283219 4.1317e-05 deg
tp 2458968.177653607733
(2020-Apr-28.67765361)
0.00023452 TDB
period 2042.982747889847
5.59
3.5186e-05
9.633e-08
d
yr
n .1762129417743915 3.0349e-09 deg/d
Q 3.370309844515679 3.8698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      2000-12-30  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:22:17  

Additional Information
 Earth MOID = 1.92059 au 
 Jupiter MOID = 1.782 au 
 T_jup = 3.109 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456613.5 (2013-Nov-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06705033571549195 5.8256e-08  
q 2.936959558818765 1.8971e-07 au
tp 2456928.880049903938
(2014-Sep-28.38004990)
0.00024952 TDB
node 99.38275118916893 1.7599e-05 deg
peri 161.3355860165484 4.8228e-05 deg
i 20.18014289068882 6.0731e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      2000-12-30  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:22:17  

Additional Information
 Jupiter MOID = 1.782 au 
 T_jup = 3.109 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.393784720901461E-15 -1.086977788073115E-14 -2.878521108338454E-12 -4.404096693832605E-15 -4.357540153800805E-13 -3.784823209855194E-15
q -1.086977788073115E-14 3.599114640864437E-14 7.04233351761411E-12 1.683860842449539E-14 9.646758066718937E-13 1.707046881577254E-14
tp -2.878521108338454E-12 7.04233351761411E-12 6.225797337770322E-8 -1.079260260546201E-11 1.125020019829663E-8 2.228032839903026E-11
node -4.404096693832605E-15 1.683860842449539E-14 -1.079260260546201E-11 3.097405718476565E-10 -2.925533490243577E-10 -2.855002038247089E-11
peri -4.357540153800805E-13 9.646758066718937E-13 1.125020019829663E-8 -2.925533490243577E-10 2.325983370963771E-9 3.078713747341647E-11
i -3.784823209855194E-15 1.707046881577254E-14 2.228032839903026E-11 -2.855002038247089E-11 3.078713747341647E-11 3.688272278470685E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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