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243685 (1999 XB135)
Classification: Main-belt Asteroid          SPK-ID: 2243685
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3899969662633599 8.4499e-08  
a 3.172490952248099 4.7436e-08 au
q 1.935229105373383 2.7571e-07 au
i 21.94637726168046 1.078e-05 deg
node 92.3007256086731 2.5284e-05 deg
peri 280.444625189046 2.7638e-05 deg
M 256.0374590248279 2.1604e-05 deg
tp 2459596.537246908758
(2022-Jan-17.03724691)
0.00013558 TDB
period 2063.949253975973
5.65
4.6292e-05
1.267e-07
d
yr
n .1744228930563575 3.9121e-09 deg/d
Q 4.409752799122816 6.5936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-11-05  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:35:20  

Additional Information
 Earth MOID = 1.0688 au 
 Jupiter MOID = 1.84864 au 
 T_jup = 2.974 
[ 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 15.5   n/a MPO224333  
diameter diameter 4.404 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243685 (1999 XB135)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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