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136786 (1996 XX4)
Classification: Main-belt Asteroid          SPK-ID: 2136786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509376691193243 5.7673e-08  
a 2.269491590969151 1.1381e-08 au
q 1.926939820142361 1.3373e-07 au
i 5.40853890179163 5.9734e-06 deg
node .08582125980351706 5.3291e-05 deg
peri 339.5962631186205 5.5695e-05 deg
M 261.8880154082819 1.8865e-05 deg
tp 2458940.838322249573
(2020-Apr-01.33832225)
6.6916e-05 TDB
period 1248.795409854433
3.42
9.3933e-06
2.572e-08
d
yr
n .2882778052827433 2.1684e-09 deg/d
Q 2.612043361795942 1.3098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8190 days (22.42 yr)  
   first obs. used      1996-12-06  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61167  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:21  

Additional Information
 Earth MOID = .918652 au 
 Jupiter MOID = 2.76372 au 
 T_jup = 3.593 
[ 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 16.3   n/a MPO396145  
rotation period rot_per 17.313 h n/a LCDB (Rev. 2019-January); 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.]

136786 (1996 XX4)          Discovered 1996-Dec-06 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1996 XX4 = 1999 RE52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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