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78618 (2002 TH5)
Classification: Main-belt Asteroid          SPK-ID: 2078618
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09990221938223977 4.081e-08  
a 2.600973961523393 1.5751e-08 au
q 2.34113089021179 1.0365e-07 au
i 15.25425426659996 5.3395e-06 deg
node 39.3247476167021 1.6846e-05 deg
peri 246.6482605015668 3.4098e-05 deg
M 162.1124324068278 3.3082e-05 deg
tp 2458310.552166919431
(2018-Jul-11.05216692)
0.00013767 TDB
period 1532.154050256196
4.19
1.3917e-05
3.81e-08
d
yr
n .2349633184338111 2.1343e-09 deg/d
Q 2.860817032834996 1.7324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1998-09-23  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:27:24  

Additional Information
 Earth MOID = 1.37027 au 
 Jupiter MOID = 2.28532 au 
 T_jup = 3.358 
[ 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 14.7   n/a MPO348009  
diameter diameter 3.659 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.229 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 0.209   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78618 (2002 TH5)          Discovered 2002-Oct-01 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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