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19302 (1996 TD)
Classification: Main-belt Asteroid          SPK-ID: 2019302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700763490343158 4.173e-08  
a 2.290599623322743 6.7491e-09 au
q 1.901022802288632 9.4349e-08 au
i 4.017623304462372 3.4089e-06 deg
node 288.6386151721366 5.8414e-05 deg
peri 112.8799932722961 5.9283e-05 deg
M 271.7608310128494 1.0218e-05 deg
tp 2459310.870983874259
(2021-Apr-06.37098387)
3.6399e-05 TDB
period 1266.258006248946
3.47
5.5964e-06
1.532e-08
d
yr
n .2843022497969691 1.2565e-09 deg/d
Q 2.680176444356853 7.8969e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      9256 days (25.34 yr)  
   first obs. used      1994-01-05  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:42:09  

Additional Information
 Earth MOID = .913861 au 
 Jupiter MOID = 2.7245 au 
 T_jup = 3.576 
[ 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 15.0   n/a MPO435878  
diameter diameter 2.649 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.839 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.303   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19302 (1996 TD)          Discovered 1996-Oct-01 by Kamel, L., Lundgren, K. at Uppsala
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 TD = 1998 HJ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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