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190280 (2142 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2190280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051212388187643 3.4503e-08  
a 2.481623200972828 1.3297e-08 au
q 1.972589575707894 8.2275e-08 au
i 5.210554264561416 4.7477e-06 deg
node 255.2686466206376 9.3467e-05 deg
peri 34.89982497054761 9.7911e-05 deg
M 82.67889373428423 3.1243e-05 deg
tp 2458872.560036303669
(2020-Jan-24.06003630)
0.00012242 TDB
period 1427.914448276226
3.91
1.1476e-05
3.142e-08
d
yr
n .2521159446454169 2.0263e-09 deg/d
Q 2.990656826237761 1.6024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      15797 days (43.25 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:59  

Additional Information
 Earth MOID = .957045 au 
 Jupiter MOID = 2.1928 au 
 T_jup = 3.443 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.25   n/a E2021B55  

190280 (2142 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 2142 T-3 = 2004 LM25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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