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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2362568266803858 5.8637e-08  
a 2.333179604302231 1.0723e-08 au
q 1.781949994914388 1.3309e-07 au
i 2.490028434341254 5.6092e-06 deg
node 124.0963539270089 0.00015058 deg
peri 242.5293535382219 0.0001514 deg
M 33.15358380430952 1.5955e-05 deg
tp 2458880.619467230844
(2020-Feb-01.11946723)
5.7156e-05 TDB
period 1301.729310822994
3.56
8.9739e-06
2.457e-08
d
yr
n .2765551923943365 1.9065e-09 deg/d
Q 2.884409213690074 1.3256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      16278 days (44.57 yr)  
   first obs. used      1973-09-19  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:09:24  

Additional Information
 Earth MOID = .782164 au 
 Jupiter MOID = 2.57676 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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