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91772 (1999 TD203)
Classification: Main-belt Asteroid          SPK-ID: 2091772
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742938054078531 3.7301e-08  
a 2.976608574089796 1.9182e-08 au
q 2.457804138502042 1.15e-07 au
i 2.225160662798425 4.1342e-06 deg
node 275.1970962226157 0.00013377 deg
peri 188.7117787319524 0.00013465 deg
M 292.6497788027102 1.6279e-05 deg
tp 2459351.427615238394
(2021-May-16.92761524)
8.6725e-05 TDB
period 1875.776192564392
5.14
1.8132e-05
4.964e-08
d
yr
n .1919205507709534 1.8551e-09 deg/d
Q 3.49541300967755 2.2525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:57:52  

Additional Information
 Earth MOID = 1.4747 au 
 Jupiter MOID = 1.65628 au 
 T_jup = 3.236 
[ 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 15.3   n/a MPO493514  

91772 (1999 TD203)          Discovered 1999-Oct-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TD203 = 2001 BJ38 = 2009 SY361 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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