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351117 (2003 WR2)
Classification: Main-belt Asteroid          SPK-ID: 2351117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09983098534422316 8.9057e-08  
a 2.674236085233443 2.215e-08 au
q 2.40726446180151 2.3959e-07 au
i 13.72892851950555 9.5367e-06 deg
node 237.7197657991506 2.1521e-05 deg
peri 171.3255517711759 3.3364e-05 deg
M 284.484996948275 2.6718e-05 deg
tp 2459335.564785924100
(2021-May-01.06478592)
0.00012021 TDB
period 1597.342489015769
4.37
1.9846e-05
5.434e-08
d
yr
n .2253743342304883 2.8001e-09 deg/d
Q 2.941207708665376 2.4361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      5732 days (15.69 yr)  
   first obs. used      2003-10-25  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57731  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:36:53  

Additional Information
 Earth MOID = 1.4189 au 
 Jupiter MOID = 2.41843 au 
 T_jup = 3.332 
[ 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 16.3   n/a MPO434216  

351117 (2003 WR2)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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