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JPL Small-Body Database Browser
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461494 (2002 WN8)
Classification: Main-belt Asteroid          SPK-ID: 2461494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754783313527735 8.2124e-07  
a 2.516816793078664 1.8319e-08 au
q 2.075169981908582 2.0635e-06 au
i 11.10939858331496 1.2568e-05 deg
node 66.3750811794074 2.7079e-05 deg
peri 322.2412348358271 3.9726e-05 deg
M 65.83523355357653 6.1564e-05 deg
tp 2458333.794659998365
(2018-Aug-03.29466000)
0.00024832 TDB
period 1458.397232273092
3.99
1.5923e-05
4.359e-08
d
yr
n .2468463269358347 2.6951e-09 deg/d
Q 2.958463604248747 2.1534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2002-11-24  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:14:12  

Additional Information
 Earth MOID = 1.09272 au 
 Jupiter MOID = 2.4901 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456569.5 (2013-Oct-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173795485781298 8.1749e-07  
q 2.080158230908545 2.0498e-06 au
tp 2456873.417027332642
(2014-Aug-03.91702733)
0.00024437 TDB
node 66.50759024200551 2.7094e-05 deg
peri 321.8025684550739 4.0217e-05 deg
i 11.10283106163401 1.2563e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2002-11-24  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:14:12  

Additional Information
 Jupiter MOID = 2.4901 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.682975613740288E-13 -1.675677622692211E-12 1.833318469392055E-10 -1.839691616778821E-13 4.020948786480025E-12 -7.549164047504483E-13
q -1.675677622692211E-12 4.201783106305325E-12 -4.592901225837956E-10 4.622261837622157E-13 -9.986056520837117E-12 1.893438675705737E-12
tp 1.833318469392055E-10 -4.592901225837956E-10 5.971674020140649E-8 -4.390666595828104E-11 3.955735153669008E-9 -2.312023089997966E-10
node -1.839691616778821E-13 4.622261837622157E-13 -4.390666595828104E-11 7.341111612102637E-10 -7.175274674204782E-10 -1.505018671565856E-11
peri 4.020948786480025E-12 -9.986056520837117E-12 3.955735153669008E-9 -7.175274674204782E-10 1.617409784484668E-9 2.819230149450585E-12
i -7.549164047504483E-13 1.893438675705737E-12 -2.312023089997966E-10 -1.505018671565856E-11 2.819230149450585E-12 1.578298016486622E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO456234  

461494 (2002 WN8)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: Last Updated: 2016-03-24

Alternate Designations
 2002 WN8 = 2006 VX137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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