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135862 (2002 TH4)
Classification: Main-belt Asteroid          SPK-ID: 2135862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044948634641799 3.7316e-08  
a 2.649529381031815 1.0893e-08 au
q 2.107714232013381 9.8798e-08 au
i 3.403573314402874 3.581e-06 deg
node 99.32151681099407 7.5896e-05 deg
peri 225.0444605240595 7.6607e-05 deg
M 117.7620332525341 9.6722e-06 deg
tp 2458685.206894975039
(2019-Jul-20.70689498)
4.1937e-05 TDB
period 1575.257429626574
4.31
9.7148e-06
2.66e-08
d
yr
n .228534075275138 1.4094e-09 deg/d
Q 3.191344530050249 1.3121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2002-09-17  
   last obs. used      2021-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:14:55  

Additional Information
 Earth MOID = 1.09525 au 
 Jupiter MOID = 2.14543 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.98   n/a MPCxxxxx  
diameter diameter 3.921 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135862 (2002 TH4)          Discovered 2002-Oct-01 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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