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134683 (1999 XO28)
Classification: Main-belt Asteroid          SPK-ID: 2134683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135401015415371 4.178e-08  
a 2.370741511739216 8.4644e-09 au
q 1.864493128593687 1.0097e-07 au
i 2.180863631399148 5.184e-06 deg
node 195.707354604186 0.0001032 deg
peri 195.3575971404923 0.00010388 deg
M 243.6066811925251 1.1317e-05 deg
tp 2459431.572466294552
(2021-Aug-05.07246629)
4.2817e-05 TDB
period 1333.290342229442
3.65
7.1405e-06
1.955e-08
d
yr
n .2700087059792477 1.446e-09 deg/d
Q 2.876989894884745 1.0272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      9597 days (26.28 yr)  
   first obs. used      1992-12-25  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:52:05  

Additional Information
 Earth MOID = .870184 au 
 Jupiter MOID = 2.56326 au 
 T_jup = 3.513 
[ 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 16.6   n/a MPO338173  
rotation period rot_per 13.265 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.]

134683 (1999 XO28)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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