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102449 (1999 TC217)
Classification: Main-belt Asteroid          SPK-ID: 2102449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19277122707671 3.4294e-08  
a 2.389186641527462 9.7138e-09 au
q 1.92862020092493 8.0895e-08 au
i 4.124055832514023 3.7424e-06 deg
node 206.9484782321302 5.3175e-05 deg
peri 247.3283085288434 5.4313e-05 deg
M 210.2096461087856 1.0102e-05 deg
tp 2459761.748107635961
(2022-Jul-01.24810764)
3.9316e-05 TDB
period 1348.880708938607
3.69
8.2263e-06
2.252e-08
d
yr
n .2668879446598899 1.6276e-09 deg/d
Q 2.849753082129995 1.1586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      7590 days (20.78 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:42  

Additional Information
 Earth MOID = .949482 au 
 Jupiter MOID = 2.35124 au 
 T_jup = 3.504 
[ 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 16.55   n/a E2021B55  
diameter diameter 2.691 km 0.716 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.81191 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.056   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

102449 (1999 TC217)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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