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JPL Small-Body Database Browser
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(2013 XA4)
Classification: Amor [NEO]          SPK-ID: 3654339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5871911111379106 9.8239e-06  
a 2.686839900911699 5.7649e-05 au
q 1.109151394045685 2.5977e-06 au
i 8.456139768939362 9.9996e-05 deg
node 85.33631899561993 1.4698e-05 deg
peri 7.148656310669368 0.00013683 deg
M 168.1275575240638 0.017618 deg
tp 2458249.227462500467
(2018-May-10.72746250)
0.054546 TDB
period 1608.648323229948
4.40
0.051773
0.0001417
d
yr
n .2237903678519172 7.2025e-06 deg/d
Q 4.264528407777713 9.15e-05 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      73 days  
   first obs. used      2013-11-23  
   last obs. used      2014-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .52807  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:43:25  

Additional Information
 Earth MOID = .126721 au 
 Jupiter MOID = .978988 au 
 T_jup = 3.087 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.5   n/a MPO281965  
rotation period rot_per 3.56 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:
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]

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