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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07049479532402292 5.7886e-08  
a 3.152978972887924 3.786e-08 au
q 2.930710365533242 1.9043e-07 au
i 20.17172757351813 6.067e-06 deg
node 99.35386401357331 1.7603e-05 deg
peri 160.6496711756571 4.6214e-05 deg
M 41.2167715604357 4.0814e-05 deg
tp 2458966.372995299474
(2020-Apr-26.87299530)
0.0002321 TDB
period 2044.937497557323
5.60
3.6832e-05
1.008e-07
d
yr
n .1760445003478199 3.1708e-09 deg/d
Q 3.375247580242606 4.0529e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:03:24  

Additional Information
 Earth MOID = 1.91812 au 
 Jupiter MOID = 1.77654 au 
 T_jup = 3.108 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456613.5 (2013-Nov-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06705033492688052 5.8256e-08  
q 2.936959560281796 1.8971e-07 au
tp 2456928.880050602023
(2014-Sep-28.38005060)
0.00024952 TDB
node 99.38275112380452 1.7599e-05 deg
peri 161.3355862232416 4.8228e-05 deg
i 20.18014289805882 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:03:24  

Additional Information
 Jupiter MOID = 1.77654 au 
 T_jup = 3.108 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.393785401888459E-15 -1.086977942413558E-14 -2.878520649130769E-12 -4.404102594954773E-15 -4.357539016028316E-13 -3.784823483190526E-15
q -1.086977942413558E-14 3.599114779669732E-14 7.042328063705741E-12 1.683862835608211E-14 9.646746846769275E-13 1.707046821021202E-14
tp -2.878520649130769E-12 7.042328063705741E-12 6.225798326780215E-8 -1.079259144790851E-11 1.125020195838807E-8 2.228032631998578E-11
node -4.404102594954773E-15 1.683862835608211E-14 -1.079259144790851E-11 3.097405758234514E-10 -2.92553350118115E-10 -2.855002117148858E-11
peri -4.357539016028316E-13 9.646746846769275E-13 1.125020195838807E-8 -2.92553350118115E-10 2.325983680958232E-9 3.078713763883997E-11
i -3.784823483190526E-15 1.707046821021202E-14 2.228032631998578E-11 -2.855002117148858E-11 3.078713763883997E-11 3.688272286954488E-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 14.63   n/a E2021B55  
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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