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JPL Small-Body Database Browser
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249367 (2008 YD171)
Classification: Main-belt Asteroid          SPK-ID: 2249367
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322547639946552 7.3285e-08  
a 2.22044486638501 2.2184e-08 au
q 1.926780454618117 1.7155e-07 au
i 5.457172098260546 6.565e-06 deg
node 312.2272371695389 6.245e-05 deg
peri 274.3255205907242 6.745e-05 deg
M 301.8819877097953 2.6673e-05 deg
tp 2458795.604223002241
(2019-Nov-08.10422300)
9.0573e-05 TDB
period 1208.532733880933
3.31
1.8112e-05
4.959e-08
d
yr
n .297881877674873 4.4642e-09 deg/d
Q 2.514109278151904 2.5118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      4813 days (13.18 yr)  
   first obs. used      2006-01-06  
   last obs. used      2019-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:04:03  

Additional Information
 Earth MOID = .92655 au 
 Jupiter MOID = 2.49864 au 
 T_jup = 3.633 
[ 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 17.1   n/a MPO433634  

249367 (2008 YD171)          Discovered 2008-Dec-22 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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