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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456953.5 (2014-Oct-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2684947286577573 4.3239e-08  
q 1.634891277708283 9.842e-08 au
tp 2456668.560224850178
(2014-Jan-11.06022485)
3.7884e-05 TDB
node 269.9442011781548 0.00013554 deg
peri 119.9578035983133 0.00013594 deg
i 2.2386681049337 4.791e-06 deg
  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
 Jupiter MOID = 2.62054 au 
 T_jup = 3.590 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.869645936565735E-15 -4.243408089632633E-15 -2.89621771946189E-13 1.045041582546694E-14 -9.104950817585082E-14 4.37489280413725E-16
q -4.243408089632633E-15 9.686466162671237E-15 7.918204238867008E-13 -2.249930945035937E-14 2.391478102232034E-13 -9.78862749664728E-16
tp -2.89621771946189E-13 7.918204238867008E-13 1.435166089629316E-9 -2.037328665826005E-11 4.240495844591222E-10 3.876324057878987E-13
node 1.045041582546694E-14 -2.249930945035937E-14 -2.037328665826005E-11 1.837021522701675E-8 -1.836113347851206E-8 4.37551577419356E-12
peri -9.104950817585082E-14 2.391478102232034E-13 4.240495844591222E-10 -1.836113347851206E-8 1.84793985086734E-8 -4.263861257886256E-12
i 4.37489280413725E-16 -9.78862749664728E-16 3.876324057878987E-13 4.37551577419356E-12 -4.263861257886256E-12 2.295335017806093E-11

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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