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JPL Small-Body Database Browser
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65561 (2195 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065561
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 .1396579549399286 5.8132e-08  
a 2.246862751442992 8.1808e-09 au
q 1.933070494545762 1.2939e-07 au
i 2.263080378129919 5.65e-06 deg
node 174.2442340735459 0.00011092 deg
peri 205.1676694285726 0.00011194 deg
M 180.9543909672566 1.6365e-05 deg
tp 2459212.321053704106
(2020-Dec-28.82105370)
5.7521e-05 TDB
period 1230.164652031194
3.37
6.7185e-06
1.839e-08
d
yr
n .2926437525298615 1.5983e-09 deg/d
Q 2.560655008340221 9.3233e-09 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      16661 days (45.62 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:06:13  

Additional Information
 Earth MOID = .93464 au 
 Jupiter MOID = 2.89325 au 
 T_jup = 3.616 
[ 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 16.3   n/a MPO337762  
diameter diameter 1.562 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65561 (2195 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
 2195 T-2 = 2000 SW110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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