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135881 (2002 TD44)
Classification: Main-belt Asteroid          SPK-ID: 2135881
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064835602942338 3.6003e-08  
a 2.808112078310983 1.7455e-08 au
q 2.509094306507189 1.0108e-07 au
i 8.897944100063183 3.9063e-06 deg
node 198.0589176773028 2.546e-05 deg
peri 271.6545380343981 3.2956e-05 deg
M 244.8193024586858 2.4279e-05 deg
tp 2459750.417178692076
(2022-Jun-19.91717869)
0.00011849 TDB
period 1718.779175287919
4.71
1.6026e-05
4.388e-08
d
yr
n .2094509900841073 1.9529e-09 deg/d
Q 3.107129850114777 1.9314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      7994 days (21.89 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:15:00  

Additional Information
 Earth MOID = 1.54497 au 
 Jupiter MOID = 2.05688 au 
 T_jup = 3.296 
[ 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 15.15   n/a E2021B55  

135881 (2002 TD44)          Discovered 2002-Oct-02 by LINEAR at Socorro
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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