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120431 (2448 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2120431
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383311341297019 3.683e-08  
a 2.767536020605335 1.5899e-08 au
q 2.384699624130197 1.0494e-07 au
i 4.865649883220245 5.8661e-06 deg
node 357.3413413207097 5.0566e-05 deg
peri 98.1962327574015 5.5536e-05 deg
M 33.3474586478016 2.2194e-05 deg
tp 2458844.724701567403
(2019-Dec-27.22470157)
0.00010337 TDB
period 1681.660603526441
4.60
1.4491e-05
3.967e-08
d
yr
n .2140741117708772 1.8447e-09 deg/d
Q 3.150372417080473 1.8098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      15449 days (42.30 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:19:10  

Additional Information
 Earth MOID = 1.4074 au 
 Jupiter MOID = 2.02485 au 
 T_jup = 3.320 
[ 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 15.3   n/a MPO453675  

120431 (2448 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2448 T-3 = 2000 SM155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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