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JPL Small-Body Database Browser
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12959 (3086 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2012959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07827044035262874 4.3708e-08  
a 2.637560589980777 1.2811e-08 au
q 2.431117561146242 1.158e-07 au
i 4.169232146443331 5.1302e-06 deg
node 62.4750413455978 5.9604e-05 deg
peri 284.106604500704 6.7584e-05 deg
M 242.2938848983244 3.3016e-05 deg
tp 2459112.062404077158
(2020-Sep-19.56240408)
0.0001443 TDB
period 1564.595563354509
4.28
1.1399e-05
3.121e-08
d
yr
n .2300914104780895 1.6763e-09 deg/d
Q 2.844003618815312 1.3813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      16668 days (45.63 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:06:52  

Additional Information
 Earth MOID = 1.42736 au 
 Jupiter MOID = 2.46142 au 
 T_jup = 3.389 
[ 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 MPO473942  
diameter diameter 3.586 km 0.667 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12959 (3086 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3086 T-2 = 1982 VQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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