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134710 (1999 XR230)
Classification: Main-belt Asteroid          SPK-ID: 2134710
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179083970164211 5.5526e-08  
a 2.392564912050934 1.2812e-08 au
q 1.964094888725267 1.2967e-07 au
i 5.333926525586013 5.9252e-06 deg
node 17.08297990987442 5.1471e-05 deg
peri 26.65261756367382 5.3852e-05 deg
M 202.0949858914244 1.8556e-05 deg
tp 2459593.408178384444
(2022-Jan-13.90817838)
7.3007e-05 TDB
period 1351.742662659423
3.70
1.0858e-05
2.973e-08
d
yr
n .2663228807854113 2.1392e-09 deg/d
Q 2.821034935376602 1.5107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:22:40  

Additional Information
 Earth MOID = .974359 au 
 Jupiter MOID = 2.59217 au 
 T_jup = 3.503 
[ 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 MPO366728  
diameter diameter 2.115 km 0.687 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134710 (1999 XR230)          Discovered 1999-Dec-07 by LONEOS at Anderson Mesa
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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