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240266 (2002 WR29)
Classification: Main-belt Asteroid          SPK-ID: 2240266
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04858841808541829 4.5174e-08  
a 3.168036787121433 3.5966e-08 au
q 3.014106891198792 1.4193e-07 au
i 9.004535359903608 5.4623e-06 deg
node 204.972584580641 3.1993e-05 deg
peri 66.38272785248179 6.884e-05 deg
M 205.8803128267928 6.3161e-05 deg
tp 2460082.237616296875
(2023-May-17.73761630)
0.00036721 TDB
period 2059.604114756194
5.64
3.5073e-05
9.602e-08
d
yr
n .1747908723918116 2.9765e-09 deg/d
Q 3.321966683044075 3.7713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      8873 days (24.29 yr)  
   first obs. used      1996-10-07  
   last obs. used      2021-01-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:31:08  

Additional Information
 Earth MOID = 2.01153 au 
 Jupiter MOID = 1.72079 au 
 T_jup = 3.182 
[ 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 15.2   n/a MPO418283  
diameter diameter 5.282 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

240266 (2002 WR29)          Discovered 2002-Nov-22 by NEAT at Palomar
Reference: 20100527/Numbers.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2002 WR29 = 2008 VK78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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