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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676066782075107 4.3469e-08  
a 2.2346463617 1.2259e-08 au
q 1.636640071876964 9.9435e-08 au
i 2.239555345389409 4.8903e-06 deg
node 269.8491831020528 0.00013545 deg
peri 119.9528859786322 0.00013598 deg
M 328.2003347908613 1.7167e-05 deg
tp 2459108.278387297745
(2020-Sep-15.77838730)
5.891e-05 TDB
period 1220.145532099422
3.34
1.0041e-05
2.749e-08
d
yr
n .2950467714950137 2.4279e-09 deg/d
Q 2.832652651523037 1.554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2000-11-21  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:16  

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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