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70642 (1999 TD242)
Classification: Main-belt Asteroid          SPK-ID: 2070642
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09628869252392559 3.0222e-08  
a 2.533594430791025 1.2964e-08 au
q 2.289637935664258 8.0355e-08 au
i 13.44508550037981 8.6746e-06 deg
node 166.9070340962386 2.2215e-05 deg
peri 292.7608928665581 9.6693e-05 deg
M 348.283550650087 8.958e-05 deg
tp 2459048.439951364386
(2020-Jul-17.93995136)
0.00036659 TDB
period 1473.004489308626
4.03
1.1306e-05
3.095e-08
d
yr
n .2443984404752023 1.8758e-09 deg/d
Q 2.777550925917793 1.4212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      10089 days (27.62 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:41  

Additional Information
 Earth MOID = 1.34186 au 
 Jupiter MOID = 2.35806 au 
 T_jup = 3.405 
[ 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 15.4   n/a MPO412619  

70642 (1999 TD242)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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