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90127 (2002 XE81)
Classification: Main-belt Asteroid          SPK-ID: 2090127
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220168501176976 3.1996e-08  
a 2.47280824764667 1.2796e-08 au
q 2.171083974323759 7.8679e-08 au
i 6.894995951460198 4.4284e-06 deg
node 63.76050296991294 4.8036e-05 deg
peri 41.67755864557303 5.9172e-05 deg
M 177.0907719655718 3.5327e-05 deg
tp 2458301.821276572049
(2018-Jul-02.32127657)
0.00013666 TDB
period 1420.313083749847
3.89
1.1025e-05
3.018e-08
d
yr
n .2534652423601872 1.9674e-09 deg/d
Q 2.77453252096958 1.4358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      8828 days (24.17 yr)  
   first obs. used      1996-04-14  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:34:38  

Additional Information
 Earth MOID = 1.19335 au 
 Jupiter MOID = 2.36598 au 
 T_jup = 3.463 
[ 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 15.7   n/a MPO337932  

90127 (2002 XE81)          Discovered 2002-Dec-11 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2002 XE81 = 1996 GH21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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