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357305 (2002 XT89)
Classification: Main-belt Asteroid          SPK-ID: 2357305
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2703849055855992 1.1915e-07  
a 2.786251584002907 2.7055e-08 au
q 2.032891212524555 3.3364e-07 au
i 11.54807244604118 1.5472e-05 deg
node 121.645798369371 4.0994e-05 deg
peri 304.1605447749794 4.6811e-05 deg
M 277.5701331796796 2.1899e-05 deg
tp 2459389.465441204862
(2021-Jun-23.96544121)
0.00010577 TDB
period 1698.747847536631
4.65
2.4743e-05
6.774e-08
d
yr
n .2119207983233292 3.0867e-09 deg/d
Q 3.53961195548126 3.4371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1994-01-10  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:29:29  

Additional Information
 Earth MOID = 1.07205 au 
 Jupiter MOID = 1.86657 au 
 T_jup = 3.248 
[ 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 MPO446591  

357305 (2002 XT89)          Discovered 2002-Dec-14 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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