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JPL Small-Body Database Browser
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295891 (2008 WD74)
Classification: Main-belt Asteroid          SPK-ID: 2295891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02788124515346472 4.7811e-08  
a 2.235305814140677 2.0138e-08 au
q 2.172982704743655 1.0457e-07 au
i 6.523376865536682 4.827e-06 deg
node 261.7802074940911 5.6504e-05 deg
peri 145.2000695855631 0.00013328 deg
M 83.8999115630136 0.00012219 deg
tp 2458316.012721455093
(2018-Jul-16.51272146)
0.00041343 TDB
period 1220.685676161254
3.34
1.6496e-05
4.516e-08
d
yr
n .2949162155585445 3.9854e-09 deg/d
Q 2.297628923537698 2.0699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6266 days (17.16 yr)  
   first obs. used      2001-11-12  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:04:30  

Additional Information
 Earth MOID = 1.18634 au 
 Jupiter MOID = 2.80439 au 
 T_jup = 3.630 
[ 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 17.0   n/a MPO413252  

295891 (2008 WD74)          Discovered 2008-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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