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JPL Small-Body Database Browser
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185654 (3980 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2185654
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06584667662855924 4.8242e-08  
a 2.897099696002967 2.6343e-08 au
q 2.706335309159562 1.3894e-07 au
i 1.426153639910335 5.4799e-06 deg
node 197.1538180814359 0.00020746 deg
peri 159.9924312883953 0.00021172 deg
M 252.4615945661645 4.4086e-05 deg
tp 2459538.527754325473
(2021-Nov-20.02775433)
0.00022211 TDB
period 1801.123894070947
4.93
2.4566e-05
6.726e-08
d
yr
n .1998752008038262 2.7261e-09 deg/d
Q 3.087864082846371 2.8077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      15445 days (42.29 yr)  
   first obs. used      1977-10-12  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:07:55  

Additional Information
 Earth MOID = 1.70193 au 
 Jupiter MOID = 2.22623 au 
 T_jup = 3.285 
[ 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 15.7   n/a MPO433218  

185654 (3980 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 3980 T-3 = 2000 HL67 = 2005 GO225 = 2007 VT282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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