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118048 (3311 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118048
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2363628643775426 5.6918e-08  
a 2.333586501846012 1.0749e-08 au
q 1.782013311996919 1.289e-07 au
i 2.49006107916254 5.5915e-06 deg
node 124.0951756094479 0.00012709 deg
peri 242.5578202303681 0.00012792 deg
M 88.42135393196065 1.5722e-05 deg
tp 2458880.692280280734
(2020-Feb-01.19228028)
5.5348e-05 TDB
period 1302.069850542299
3.56
8.9962e-06
2.463e-08
d
yr
n .2764828629201909 1.9103e-09 deg/d
Q 2.885159691695105 1.3289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      17311 days (47.39 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:28  

Additional Information
 Earth MOID = .780687 au 
 Jupiter MOID = 2.57706 au 
 T_jup = 3.530 
[ 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 17.1   n/a MPO439766  

118048 (3311 T-2)          Discovered 1973-Sep-30 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
 3311 T-2 = 1998 SE136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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