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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223519743562576 3.1531e-08  
a 2.470460255312801 1.2525e-08 au
q 2.168194565506615 7.7482e-08 au
i 6.8909645849513 3.95e-06 deg
node 63.66662858395387 4.2731e-05 deg
peri 42.38991614561283 5.0856e-05 deg
M 276.815725350027 2.9378e-05 deg
tp 2459724.220770426620
(2022-May-24.72077043)
0.00011715 TDB
period 1418.290630651326
3.88
1.0786e-05
2.953e-08
d
yr
n .2538266785522486 1.9303e-09 deg/d
Q 2.772725945118986 1.4057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1996-04-14  
   last obs. used      2021-08-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58553  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:28  

Additional Information
 Earth MOID = 1.19085 au 
 Jupiter MOID = 2.36535 au 
 T_jup = 3.464 
[ 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 15.75   n/a E2021B10  

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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