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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383081132072072 3.6698e-08  
a 2.767047491082414 1.5614e-08 au
q 2.384342373436068 1.0435e-07 au
i 4.866100192868895 5.8037e-06 deg
node 357.3398074346422 5.0279e-05 deg
peri 98.12011887359613 5.5162e-05 deg
M 76.23845364672448 2.1792e-05 deg
tp 2458844.463170878600
(2019-Dec-26.96317088)
0.00010116 TDB
period 1681.215349377837
4.60
1.4231e-05
3.896e-08
d
yr
n .2141308072955819 1.8125e-09 deg/d
Q 3.149752608728759 1.7774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      15554 days (42.58 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:12  

Additional Information
 Earth MOID = 1.40682 au 
 Jupiter MOID = 2.02553 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 15.36   n/a E2021B55  

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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