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85082 (2158 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085082
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594292162028519 3.3086e-08  
a 2.32860005546164 8.7187e-09 au
q 1.957353173769473 7.6439e-08 au
i 2.811662827362934 4.3019e-06 deg
node 172.1949875482575 7.2701e-05 deg
peri 117.0739370623868 7.4249e-05 deg
M 220.0838949913704 1.3295e-05 deg
tp 2459900.935901042786
(2022-Nov-17.43590104)
4.78e-05 TDB
period 1297.898654084194
3.55
7.2893e-06
1.996e-08
d
yr
n .2773714256249217 1.5578e-09 deg/d
Q 2.699846937153807 1.0109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      17286 days (47.33 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:11  

Additional Information
 Earth MOID = .942705 au 
 Jupiter MOID = 2.46176 au 
 T_jup = 3.554 
[ 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 16.61   n/a MPCxxxxx  
diameter diameter 3.006 km 0.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85082 (2158 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2158 T-2 = 1997 GQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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