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118061 (4249 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118061
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326221074236377 4.3373e-08  
a 2.266280647424093 9.1731e-09 au
q 1.965721731949304 1.0156e-07 au
i 8.529729016124689 5.7146e-06 deg
node 20.60118826290383 2.2304e-05 deg
peri 315.3784181042119 2.8879e-05 deg
M 266.9721692970617 1.8596e-05 deg
tp 2459322.517411946972
(2021-Apr-18.01741195)
6.4894e-05 TDB
period 1246.146098699132
3.41
7.5659e-06
2.071e-08
d
yr
n .2888906849492275 1.754e-09 deg/d
Q 2.566839562898882 1.039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      17022 days (46.60 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:16:59  

Additional Information
 Earth MOID = .96752 au 
 Jupiter MOID = 2.81766 au 
 T_jup = 3.590 
[ 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 16.0   n/a MPO309994  

118061 (4249 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 4249 T-2 = 1997 SV20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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