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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676066840917569 4.1045e-08  
a 2.234646358654458 6.9334e-09 au
q 1.636640056497219 9.1496e-08 au
i 2.239560062627517 4.2969e-06 deg
node 269.8492465490836 0.00012864 deg
peri 119.9528199194177 0.0001289 deg
M 328.2003393558903 8.1072e-06 deg
tp 2459108.278371605191
(2020-Sep-15.77837161)
2.7647e-05 TDB
period 1220.145529605064
3.34
5.6786e-06
1.555e-08
d
yr
n .2950467720981813 1.3732e-09 deg/d
Q 2.832652660811696 8.7889e-09 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7284 days (19.94 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:15:11  

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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