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JPL Small-Body Database Browser
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65552 (1261 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065552
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481698415096793 5.8552e-08  
a 2.110878807518301 6.7588e-09 au
q 1.798110229162174 1.2535e-07 au
i .788517629849363 6.0239e-06 deg
node 32.2297773261606 0.00022296 deg
peri 302.1094326625745 0.00022392 deg
M 101.261417971554 1.9055e-05 deg
tp 2458685.409811307339
(2019-Jul-20.90981131)
6.0015e-05 TDB
period 1120.194346490615
3.07
5.3801e-06
1.473e-08
d
yr
n .3213728056455747 1.5435e-09 deg/d
Q 2.423647385874429 7.7603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      16932 days (46.36 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:41:47  

Additional Information
 Earth MOID = .788186 au 
 Jupiter MOID = 2.91127 au 
 T_jup = 3.725 
[ 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 16.2   n/a MPO280159  

65552 (1261 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1261 T-2 = 2000 HS22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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