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103060 (1999 XD137)
Classification: Main-belt Asteroid          SPK-ID: 2103060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938686356777643 4.7032e-08  
a 2.301151738435847 6.6601e-09 au
q 1.855030590417774 1.0835e-07 au
i 25.05613815542373 5.3177e-06 deg
node 91.71863867668117 7.9249e-06 deg
peri 316.106522275604 1.3027e-05 deg
M 19.65911207353366 8.749e-06 deg
tp 2459130.872995670045
(2020-Oct-08.37299567)
3.0996e-05 TDB
period 1275.017989878027
3.49
5.5354e-06
1.516e-08
d
yr
n .2823489573150563 1.2258e-09 deg/d
Q 2.74727288645392 7.9513e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-11-08  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:11  

Additional Information
 Earth MOID = .917118 au 
 Jupiter MOID = 2.65231 au 
 T_jup = 3.443 
[ 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 15.0   n/a MPO436484  
diameter diameter 4.376 km 0.716 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.122   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

103060 (1999 XD137)          Discovered 1999-Dec-05 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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