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103129 (1999 XA196)
Classification: Main-belt Asteroid          SPK-ID: 2103129
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111003754438854 3.1425e-08  
a 2.293541723329516 6.6627e-09 au
q 2.03894998107778 7.1945e-08 au
i 5.28192681776952 3.6099e-06 deg
node 37.48837144901189 4.2531e-05 deg
peri 59.01871272467841 4.6966e-05 deg
M 12.97253162134119 1.9221e-05 deg
tp 2459154.782693888988
(2020-Nov-01.28269389)
6.7708e-05 TDB
period 1268.698406785043
3.47
5.5283e-06
1.514e-08
d
yr
n .2837553811644341 1.2365e-09 deg/d
Q 2.548133465581252 7.4023e-09 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1999-12-12  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:24  

Additional Information
 Earth MOID = 1.06125 au 
 Jupiter MOID = 2.59296 au 
 T_jup = 3.583 
[ 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 15.8   n/a MPO395907  
diameter diameter 1.780 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103129 (1999 XA196)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XA196 = 2002 RL60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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