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312918 (2011 WV1)
Classification: Main-belt Asteroid          SPK-ID: 2312918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07861829631766368 5.771e-08  
a 2.640306172240122 4.2547e-08 au
q 2.432729799221591 1.5312e-07 au
i 14.9045264806879 1.106e-05 deg
node 75.7246274742236 2.9367e-05 deg
peri 230.7587967407181 0.0001091 deg
M 112.5849909959628 9.9509e-05 deg
tp 2458510.430290791347
(2019-Jan-26.93029079)
0.00043991 TDB
period 1567.039209706396
4.29
3.7878e-05
1.037e-07
d
yr
n .2297326051384831 5.553e-09 deg/d
Q 2.847882545258651 4.5892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:48:54  

Additional Information
 Earth MOID = 1.44192 au 
 Jupiter MOID = 2.31724 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO440463  

312918 (2011 WV1)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 WV1 = 1998 YL31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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