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276389 (2002 WV28)
Classification: Main-belt Asteroid          SPK-ID: 2276389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078048048540496 5.324e-08  
a 2.260405766812868 1.0982e-08 au
q 2.016723164230639 1.1691e-07 au
i 5.739385576546439 5.6331e-06 deg
node 215.5572877019573 3.3933e-05 deg
peri 166.6691311875151 3.8898e-05 deg
M 195.8972274553445 2.0558e-05 deg
tp 2459962.337146070275
(2023-Jan-17.83714607)
7.3547e-05 TDB
period 1241.303662495208
3.40
9.0464e-06
2.477e-08
d
yr
n .2900176732551852 2.1136e-09 deg/d
Q 2.504088369395098 1.2166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9329 days (25.54 yr)  
   first obs. used      1995-10-28  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:57:18  

Additional Information
 Earth MOID = 1.01971 au 
 Jupiter MOID = 2.92973 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457915.5 (2017-Jun-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077021198625062 5.3236e-08  
q 2.017144977789541 1.1683e-07 au
tp 2457477.132403974005
(2016-Mar-29.63240397)
6.3026e-05 TDB
node 215.5822299406963 3.3931e-05 deg
peri 166.1195878898912 3.8911e-05 deg
i 5.738491159254973 5.6341e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9329 days (25.54 yr)  
   first obs. used      1995-10-28  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:57:18  

Additional Information
 Jupiter MOID = 2.92973 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.83409439814034E-15 -6.200968870759909E-15 9.851141340776771E-13 -1.10461874291688E-15 3.296575750180345E-13 -3.094779230921758E-16
q -6.200968870759909E-15 1.365008720189516E-14 -1.917385350593295E-12 1.819629441094776E-15 -6.465826254649889E-13 1.170173038532645E-15
tp 9.851141340776771E-13 -1.917385350593295E-12 3.972222103825382E-9 -4.953223485052019E-12 1.204637370673858E-9 3.904072872747674E-12
node -1.10461874291688E-15 1.819629441094776E-15 -4.953223485052019E-12 1.151321415470617E-9 -1.146913470450518E-9 -8.226247277979609E-12
peri 3.296575750180345E-13 -6.465826254649889E-13 1.204637370673858E-9 -1.146913470450518E-9 1.514091929863654E-9 9.409679025927041E-12
i -3.094779230921758E-16 1.170173038532645E-15 3.904072872747674E-12 -8.226247277979609E-12 9.409679025927041E-12 3.174277653115924E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO433788  

276389 (2002 WV28)          Discovered 2002-Nov-22 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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