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277529 (2005 XL66)
Classification: Mars-crossing Asteroid          SPK-ID: 2277529
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .348424275192758 4.6443e-08  
a 2.216637676215452 1.1782e-08 au
q 1.444307300515124 1.0177e-07 au
i 9.600859167357294 4.6884e-06 deg
node 104.0116800077517 3.0352e-05 deg
peri 249.9962993770814 3.1582e-05 deg
M 185.1508177580525 5.0851e-06 deg
tp 2459585.965890004757
(2022-Jan-06.46589000)
1.7626e-05 TDB
period 1205.42582870112
3.30
9.6105e-06
2.631e-08
d
yr
n .2986496484714535 2.3811e-09 deg/d
Q 2.98896805191578 1.5887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      6886 days (18.85 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:39  

Additional Information
 Earth MOID = .475768 au 
 Jupiter MOID = 2.51 au 
 T_jup = 3.554 
[ 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 16.7   n/a MPO455059  

277529 (2005 XL66)          Discovered 2005-Dec-08 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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