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JPL Small-Body Database Browser
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359904 (2011 WP81)
Classification: Main-belt Asteroid          SPK-ID: 2359904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03629374232561178 5.0257e-08  
a 2.679007333881818 3.4314e-08 au
q 2.581776132017487 1.3995e-07 au
i 1.540125974737884 7.5185e-06 deg
node 201.3380041171173 0.00020533 deg
peri 273.1392451794029 0.0002441 deg
M 200.2435577878343 0.00013475 deg
tp 2459311.247204267185
(2021-Apr-06.74720427)
0.00060802 TDB
period 1601.619252364032
4.38
3.0771e-05
8.425e-08
d
yr
n .2247725228506279 4.3185e-09 deg/d
Q 2.776238535746149 3.5559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      7129 days (19.52 yr)  
   first obs. used      2000-03-27  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55594  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:18:30  

Additional Information
 Earth MOID = 1.59901 au 
 Jupiter MOID = 2.24573 au 
 T_jup = 3.376 
[ 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 16.9   n/a MPO450335  

359904 (2011 WP81)          Discovered 2007-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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