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JPL Small-Body Database Browser
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154340 (2002 WN1)
Classification: Main-belt Asteroid          SPK-ID: 2154340
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006533507104009 7.1647e-08  
a 2.13580510137299 1.3057e-08 au
q 1.707248651318132 1.5985e-07 au
i 3.511094683959944 6.8895e-06 deg
node 115.8802122915094 6.5307e-05 deg
peri 193.5869425810967 6.6338e-05 deg
M 306.7892280566764 1.4131e-05 deg
tp 2459169.014747795008
(2020-Nov-15.51474780)
4.5765e-05 TDB
period 1140.094514524601
3.12
1.0455e-05
2.862e-08
d
yr
n .315763294545903 2.8956e-09 deg/d
Q 2.564361551427848 1.5677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      8640 days (23.66 yr)  
   first obs. used      1995-05-09  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54921  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:06:20  

Additional Information
 Earth MOID = .692872 au 
 Jupiter MOID = 2.69219 au 
 T_jup = 3.689 
[ show covariance matrix ]

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 MPO469636  

154340 (2002 WN1)          Discovered 2002-Nov-23 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2002 WN1 = 2005 SQ218 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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