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47463 (1999 XE258)
Classification: Main-belt Asteroid          SPK-ID: 2047463
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007960997102576 2.9955e-08  
a 2.369894551446217 8.686e-09 au
q 2.131018423935847 7.165e-08 au
i 6.474201748453368 4.6246e-06 deg
node 359.9140217008879 2.5488e-05 deg
peri 114.7655007125443 3.5829e-05 deg
M 211.6688851507 2.7108e-05 deg
tp 2459549.562421027247
(2021-Dec-01.06242103)
0.00010201 TDB
period 1332.575918212628
3.65
7.3261e-06
2.006e-08
d
yr
n .2701534637387601 1.4852e-09 deg/d
Q 2.608770678956586 9.5615e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1707  
   data-arc span      10611 days (29.05 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:07  

Additional Information
 Earth MOID = 1.15655 au 
 Jupiter MOID = 2.46161 au 
 T_jup = 3.530 
[ 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 14.6   n/a MPO474350  
rotation period rot_per 9.252 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

47463 (1999 XE258)          Discovered 1999-Dec-08 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XE258 = 1998 QT25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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