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249799 (2000 YX81)
Classification: Mars-crossing Asteroid          SPK-ID: 2249799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676066796888278 4.3191e-08  
a 2.234646359497281 1.0529e-08 au
q 1.636640066953487 9.8211e-08 au
i 2.239556375553932 4.7915e-06 deg
node 269.8491842622781 0.00013544 deg
peri 119.9528827605459 0.00013585 deg
M 328.2003382097651 1.4328e-05 deg
tp 2459108.278375550720
(2020-Sep-15.77837555)
4.9132e-05 TDB
period 1220.145530295352
3.34
8.6237e-06
2.361e-08
d
yr
n .2950467719312607 2.0853e-09 deg/d
Q 2.832652652041075 1.3347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 17:03:14  

Additional Information
 Earth MOID = .643471 au 
 Jupiter MOID = 2.62054 au 
 T_jup = 3.590 
[ 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 16.4   n/a MPO270947  

249799 (2000 YX81)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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