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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04849399001661921 4.5143e-08  
a 3.168042307780219 3.6e-08 au
q 3.014411295734498 1.4186e-07 au
i 9.004986218999303 5.4453e-06 deg
node 204.9620439008796 3.1985e-05 deg
peri 66.51082470544655 6.8882e-05 deg
M 240.0053111511248 6.3452e-05 deg
tp 2460083.006113639047
(2023-May-18.50611364)
0.00036764 TDB
period 2059.609498394675
5.64
3.5106e-05
9.611e-08
d
yr
n .1747904155038105 2.9793e-09 deg/d
Q 3.32167331982594 3.7745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      8948 days (24.50 yr)  
   first obs. used      1996-10-07  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:12:19  

Additional Information
 Earth MOID = 2.01355 au 
 Jupiter MOID = 1.72006 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457755.5 (2017-Jan-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04950595479316033 4.5084e-08  
q 3.010673497649177 1.4192e-07 au
tp 2458015.196356942161
(2017-Sep-18.69635694)
0.00034734 TDB
node 204.9873102878098 3.1972e-05 deg
peri 64.90117844417094 6.7777e-05 deg
i 9.007139389001567 5.4471e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      8948 days (24.50 yr)  
   first obs. used      1996-10-07  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:12:19  

Additional Information
 Jupiter MOID = 1.72006 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.032574193525909E-15 -6.211257885048263E-15 3.475916564158792E-13 1.445329052004183E-15 9.994055861884925E-14 1.496508163029186E-15
q -6.211257885048263E-15 2.014108239651676E-14 3.079806671473973E-12 -2.050279047481278E-15 3.731602765091244E-13 -3.753464688510814E-15
tp 3.475916564158792E-13 3.079806671473973E-12 1.206448044138165E-7 7.616653817377157E-11 2.078672465126716E-8 1.922119594201587E-11
node 1.445329052004183E-15 -2.050279047481278E-15 7.616653817377157E-11 1.02220782542463E-9 -9.96089404276001E-10 -1.585606233951869E-11
peri 9.994055861884925E-14 3.731602765091244E-13 2.078672465126716E-8 -9.96089404276001E-10 4.593718852745158E-9 1.900539440653373E-11
i 1.496508163029186E-15 -3.753464688510814E-15 1.922119594201587E-11 -1.585606233951869E-11 1.900539440653373E-11 2.967035691119194E-11

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 15.30   n/a MPCxxxxx  
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

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