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JPL Small-Body Database Browser
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80252 (1999 WD12)
Classification: Main-belt Asteroid          SPK-ID: 2080252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017451884885705 4.709e-08  
a 2.209721707620382 1.0671e-08 au
q 1.98489315597126 1.0567e-07 au
i 5.398923523200596 3.9164e-06 deg
node 81.26586789135854 5.8167e-05 deg
peri 310.6322003971435 6.2713e-05 deg
M 359.4588117602649 2.433e-05 deg
tp 2458602.303643287451
(2019-Apr-28.80364329)
8.1089e-05 TDB
period 1199.788790311306
3.28
8.6911e-06
2.379e-08
d
yr
n .3000528117174622 2.1735e-09 deg/d
Q 2.434550259269503 1.1757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7314 days (20.02 yr)  
   first obs. used      1999-11-28  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:16  

Additional Information
 Earth MOID = .995431 au 
 Jupiter MOID = 2.9275 au 
 T_jup = 3.646 
[ 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 16.7   n/a MPO453225  

80252 (1999 WD12)          Discovered 1999-Nov-28 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 WD12 = 2002 TO204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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