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115930 (2003 WH22)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143007550079424 4.1728e-08  
a 3.395417197567343 3.8814e-08 au
q 2.909846902645694 1.432e-07 au
i 19.39393929086621 4.8124e-06 deg
node 108.4459698928566 1.3926e-05 deg
peri 321.4872078545113 2.1681e-05 deg
M 259.8683552324937 1.8609e-05 deg
tp 2459836.133813450861
(2022-Sep-13.63381345)
0.00012234 TDB
period 2285.273285719229
6.26
3.9185e-05
1.073e-07
d
yr
n .157530393519959 2.7012e-09 deg/d
Q 3.880987492488992 4.4365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7849 days (21.49 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:49  

Additional Information
 Earth MOID = 1.9496 au 
 Jupiter MOID = 1.42023 au 
 T_jup = 3.041 
[ 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 13.97   n/a MPCxxxxx  
diameter diameter 10.840 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115930 (2003 WH22)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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