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377108 (2002 WL28)
Classification: Main-belt Asteroid          SPK-ID: 2377108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628437817474502 7.3729e-08  
a 3.175786118348856 3.9222e-08 au
q 2.658629096815873 2.4617e-07 au
i 27.29402432963594 1.2474e-05 deg
node 64.56910853211053 1.2112e-05 deg
peri 45.67170734190294 4.5689e-05 deg
M 29.86243017087701 3.8305e-05 deg
tp 2459029.026132838725
(2020-Jun-28.52613284)
0.00021945 TDB
period 2067.165727130303
5.66
3.8295e-05
1.048e-07
d
yr
n .1741514941328686 3.2263e-09 deg/d
Q 3.692943139881839 4.5609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2002-10-30  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53276  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:34:21  

Additional Information
 Earth MOID = 1.7281 au 
 Jupiter MOID = 1.7957 au 
 T_jup = 3.008 
[ 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 16.0   n/a MPO534833  
diameter diameter 3.872 km 0.963 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

377108 (2002 WL28)          Discovered 2002-Nov-23 by NEAT at Palomar
Reference: Last Updated: 2013-11-20

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