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JPL Small-Body Database Browser
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201132 (2002 JT78)
Classification: Main-belt Asteroid          SPK-ID: 2201132
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338393948789281 5.7247e-08  
a 2.482824582833385 2.1457e-08 au
q 2.150524843076438 1.5113e-07 au
i 5.067388957038059 5.8674e-06 deg
node 20.50008620630045 6.7322e-05 deg
peri 112.2912005528766 7.1911e-05 deg
M 185.9703735550438 3.0305e-05 deg
tp 2459291.277477598037
(2021-Mar-17.77747760)
0.00012598 TDB
period 1428.951478063123
3.91
1.8524e-05
5.072e-08
d
yr
n .2519329771000784 3.2659e-09 deg/d
Q 2.815124322590333 2.4329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6385 days (17.48 yr)  
   first obs. used      2002-04-02  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 22:57:18  

Additional Information
 Earth MOID = 1.17112 au 
 Jupiter MOID = 2.22611 au 
 T_jup = 3.459 
[ 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 MPO494129  
diameter diameter 2.346 km 0.565 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201132 (2002 JT78)          Discovered 2002-May-11 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2002 JT78 = 2004 TU321 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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