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JPL Small-Body Database Browser
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154347 (2002 XK4)
Classification: Apollo [NEO]          SPK-ID: 2154347
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 155 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .691827536275975 6.9579e-08  
a 1.850016290966785 7.6141e-09 au
q .5701240783168167 1.2962e-07 au
i 17.75194355231169 8.4727e-06 deg
node 331.6598686301477 1.6046e-05 deg
peri 24.93931270366457 1.744e-05 deg
M 7.835495219929811 7.9294e-06 deg
tp 2458980.495591925621
(2020-May-10.99559193)
2.0237e-05 TDB
period 919.0978623098384
2.52
5.6741e-06
1.553e-08
d
yr
n .3916884314095379 2.4181e-09 deg/d
Q 3.129908503616753 1.2882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1998-02-22  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-04 07:01:19  

Additional Information
 Earth MOID = .270321 au 
 Jupiter MOID = 2.39117 au 
 T_jup = 3.633 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO469636  
rotation period rot_per 3.319 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 137-145.]

154347 (2002 XK4)          Discovered 2002-Dec-04 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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