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JPL Small-Body Database Browser
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249952 (2001 TD222)
Classification: Main-belt Asteroid          SPK-ID: 2249952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880993054210808 5.3848e-08  
a 2.78169944626494 2.2133e-08 au
q 2.258463712532299 1.5305e-07 au
i 11.24881356525615 5.0505e-06 deg
node 233.8116027012649 2.6727e-05 deg
peri 81.50469830656107 3.2484e-05 deg
M 340.3155127555611 1.4429e-05 deg
tp 2458693.158515638027
(2019-Jul-28.65851564)
6.7736e-05 TDB
period 1694.58646371972
4.64
2.0225e-05
5.537e-08
d
yr
n .2124412107068164 2.5355e-09 deg/d
Q 3.30493517999758 2.6296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      6589 days (18.04 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:07  

Additional Information
 Earth MOID = 1.27752 au 
 Jupiter MOID = 2.08357 au 
 T_jup = 3.279 
[ 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 15.9   n/a MPO440261  

249952 (2001 TD222)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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