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70431 (1999 TD3)
Classification: Main-belt Asteroid          SPK-ID: 2070431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562519272880216 4.0223e-08  
a 2.461086877096598 8.5753e-09 au
q 2.076537309326996 9.7151e-08 au
i 4.248315711276587 3.3153e-06 deg
node 207.2609509905028 5.8296e-05 deg
peri 263.1608151146874 5.9526e-05 deg
M 97.70805508092326 1.0726e-05 deg
tp 2458817.748667151945
(2019-Nov-30.24866715)
4.2184e-05 TDB
period 1410.226410823342
3.86
7.3706e-06
2.018e-08
d
yr
n .2552781576327299 1.3342e-09 deg/d
Q 2.8456364448662 9.9151e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      8410 days (23.03 yr)  
   first obs. used      1997-04-28  
   last obs. used      2020-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:40  

Additional Information
 Earth MOID = 1.09814 au 
 Jupiter MOID = 2.28425 au 
 T_jup = 3.469 
[ 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 15.41   n/a E2021B10  

70431 (1999 TD3)          Discovered 1999-Oct-04 by Comba, P. G. at Prescott
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TD3 = 1997 HK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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