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29155 (1988 XE)
Classification: Main-belt Asteroid          SPK-ID: 2029155
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2926085979601594 6.9894e-08  
a 2.651700197158603 1.9714e-08 AU
q 1.875789920257346 1.8305e-07 AU
i 12.71728725761861 8.267e-06 deg
node 252.5507383553515 3.9869e-05 deg
peri 169.6839054758397 4.2757e-05 deg
M 16.61418272522912 1.6717e-05 deg
tp 2456927.711706087204
(2014-Sep-27.21170609)
7.2794e-05 JED
period 1577.193789304804
4.32
1.7588e-05
4.815e-08
d
yr
n .2282534983596917 2.5454e-09 deg/d
Q 3.42761047405986 2.5482e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      19030 days (52.10 yr)  
   first obs. used      1962-11-24  
   last obs. used      2014-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53591  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:31:32  

Additional Information
 Earth MOID = .890207 AU 
 T_jup = 3.294 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO324577  

29155 (1988 XE)          Discovered 1988-Dec-02 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 XE = 1962 WG = 1998 FX73 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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