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37495 (1226 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2037495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04345857259693234 3.8242e-08  
a 3.128027026574649 1.9739e-08 au
q 2.992087436955088 1.1882e-07 au
i 5.050415349320566 5.0608e-06 deg
node 7.776894935196012 4.6046e-05 deg
peri 53.45958855274296 7.6634e-05 deg
M 98.60228709530234 5.9672e-05 deg
tp 2458447.036914586188
(2018-Nov-24.53691459)
0.00033522 TDB
period 2020.71084371901
5.53
1.9127e-05
5.237e-08
d
yr
n .1781551284880717 1.6863e-09 deg/d
Q 3.26396661619421 2.0597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      17023 days (46.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:25:53  

Additional Information
 Earth MOID = 2.00761 au 
 Jupiter MOID = 1.89075 au 
 T_jup = 3.207 
[ 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 14.7   n/a MPO468204  
diameter diameter 6.213 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37495 (1226 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1226 T-2 = 2001 RA78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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