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9302 (1985 TB3)
Classification: Main-belt Asteroid          SPK-ID: 2009302
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506026681651824 2.9682e-08  
a 2.196532340769766 6.1403e-09 au
q 1.865728709538726 6.673e-08 au
i 3.876017363691954 3.0581e-06 deg
node 176.4732693510596 4.5454e-05 deg
peri 188.6535134288115 4.7159e-05 deg
M 238.0057589616939 1.5183e-05 deg
tp 2459403.441184349912
(2021-Jul-07.94118435)
5.1241e-05 TDB
period 1189.062902735057
3.26
4.986e-06
1.365e-08
d
yr
n .302759424393727 1.2695e-09 deg/d
Q 2.527335972000806 7.0651e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      17464 days (47.81 yr)  
   first obs. used      1972-10-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:06:43  

Additional Information
 Earth MOID = .863781 au 
 Jupiter MOID = 2.9297 au 
 T_jup = 3.651 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150154386063814 2.97e-08  
q 1.866871579094874 6.6778e-08 au
tp 2457023.723068762970
(2015-Jan-01.22306876)
4.5471e-05 TDB
node 176.492203202601 4.5471e-05 deg
peri 188.3286206048721 4.7184e-05 deg
i 3.874023134464585 3.0581e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      17464 days (47.81 yr)  
   first obs. used      1972-10-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:06:43  

Additional Information
 Jupiter MOID = 2.9297 au 
 T_jup = 3.651 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.82060571082156E-16 -1.977510010797368E-15 -3.34374245392463E-13 -2.426114536084974E-15 -7.178703507526517E-14 1.826611642429055E-16
q -1.977510010797368E-15 4.459357984034001E-15 8.608067385832729E-13 5.11704732057767E-15 1.919122748605196E-13 -2.667777218560475E-16
tp -3.34374245392463E-13 8.608067385832729E-13 2.067627118218335E-9 -6.691455829869503E-12 5.808424486144992E-10 1.385372034929211E-12
node -2.426114536084974E-15 5.11704732057767E-15 -6.691455829869503E-12 2.06761482074345E-9 -2.064530846542667E-9 2.896687753826068E-12
peri -7.178703507526517E-14 1.919122748605196E-13 5.808424486144992E-10 -2.064530846542667E-9 2.226316517362032E-9 -2.492374554605019E-12
i 1.826611642429055E-16 -2.667777218560475E-16 1.385372034929211E-12 2.896687753826068E-12 -2.492374554605019E-12 9.352059900047211E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO350876  
diameter diameter 3.118 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.059 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 0.380   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9302 (1985 TB3)          Discovered 1985-Oct-12 by Wild, P. at Zimmerwald
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 TB3 = 1972 TH1 = 1990 DB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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