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9534 (1981 TP)
Classification: Main-belt Asteroid          SPK-ID: 2009534
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984651162199051 3.4623e-08  
a 3.161633557754664 1.782e-08 au
q 2.534159586270133 1.1015e-07 au
i .986738500061496 4.1373e-06 deg
node 26.20520080771812 0.0002284 deg
peri 337.7808434732269 0.00022864 deg
M 325.2235233586707 1.2102e-05 deg
tp 2459198.857581536155
(2020-Dec-15.35758154)
6.9945e-05 TDB
period 2053.362969730857
5.62
1.736e-05
4.753e-08
d
yr
n .1753221448457244 1.4823e-09 deg/d
Q 3.789107529239196 2.1357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1924  
   data-arc span      24058 days (65.87 yr)  
   first obs. used      1953-10-09  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:21:36  

Additional Information
 Earth MOID = 1.53211 au 
 Jupiter MOID = 1.67044 au 
 T_jup = 3.174 
[ 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 12.9   n/a MPO435790  
diameter diameter 10.203 km 2.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.115   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

9534 (1981 TP)          Discovered 1981-Oct-04 by Thomas, N. G. at Anderson Mesa
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 TP = 1953 TL3 = 1961 DM = 1989 EU6 = 1992 PQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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