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(2003 WV157)
Classification: Mars-crossing Asteroid          SPK-ID: 3169278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5202109650357897 2.62e-07  
a 3.136402100735095 3.304e-08 au
q 1.504811337171413 8.3339e-07 au
i 20.42017635417333 2.2745e-05 deg
node 252.1335490109913 3.757e-05 deg
peri 250.4817496957995 6.8921e-05 deg
M 12.99704432059374 2.1424e-05 deg
tp 2459127.253288697371
(2020-Oct-04.75328870)
0.00011985 TDB
period 2028.831741934211
5.55
3.2058e-05
8.777e-08
d
yr
n .1774420187535067 2.8038e-09 deg/d
Q 4.767992864298776 5.0227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      5819 days (15.93 yr)  
   first obs. used      2003-11-30  
   last obs. used      2019-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:03:16  

Additional Information
 Earth MOID = .644773 au 
 Jupiter MOID = 1.45624 au 
 T_jup = 2.902 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a E2015C14  
diameter diameter 3.6 km 0.6 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.050   0.018 Fernandez et al. (2005) Astron.J. 130:308-318  

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