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70952 (1999 XE)
Classification: Main-belt Asteroid          SPK-ID: 2070952
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948302017958082 4.1065e-08  
a 2.612947399645935 1.2914e-08 au
q 2.103866330491085 1.1321e-07 au
i 1.816568996809621 4.595e-06 deg
node 192.4353054693938 0.00013874 deg
peri 117.3117362581433 0.00013936 deg
M 36.45817952310757 1.3465e-05 deg
tp 2458844.261915435876
(2019-Dec-26.76191544)
5.7274e-05 TDB
period 1542.745994967622
4.22
1.1437e-05
3.131e-08
d
yr
n .2333501439474198 1.7299e-09 deg/d
Q 3.122028468800785 1.543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      8546 days (23.40 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:30:36  

Additional Information
 Earth MOID = 1.09014 au 
 Jupiter MOID = 2.15022 au 
 T_jup = 3.381 
[ 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 MPO474589  

70952 (1999 XE)          Discovered 1999-Dec-02 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XE = 2002 JT31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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