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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786718064439174 5.2084e-08  
a 2.393629432653016 1.2436e-08 au
q 1.965955337963572 1.2226e-07 au
i 5.332868429871191 5.567e-06 deg
node 17.05745734781562 4.8836e-05 deg
peri 26.57491058781145 5.1075e-05 deg
M 255.4409070518016 1.8732e-05 deg
tp 2459593.364790288772
(2022-Jan-13.86479029)
7.2719e-05 TDB
period 1352.64490649347
3.70
1.0541e-05
2.886e-08
d
yr
n .2661452375799399 2.0741e-09 deg/d
Q 2.821303527342459 1.4657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:06:55  

Additional Information
 Earth MOID = .975204 au 
 Jupiter MOID = 2.59309 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 15.76   n/a E2021B55  
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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