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118151 (4391 T-3)
Classification: Mars-crossing Asteroid          SPK-ID: 2118151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2854200446041493 5.3625e-08  
a 2.311061039140057 5.9415e-09 au
q 1.65143789426579 1.2481e-07 au
i 5.093673560773121 3.5365e-06 deg
node 96.31541174815838 5.0577e-05 deg
peri 240.9684024956421 5.0912e-05 deg
M 72.28484498477911 5.475e-06 deg
tp 2458742.832108125885
(2019-Sep-16.33210813)
1.9374e-05 TDB
period 1283.262640934122
3.51
4.9487e-06
1.355e-08
d
yr
n .2805349337824923 1.0818e-09 deg/d
Q 2.970684184014323 7.6374e-09 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      25635 days (70.18 yr)  
   first obs. used      1949-11-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:54:47  

Additional Information
 Earth MOID = .649507 au 
 Jupiter MOID = 2.43345 au 
 T_jup = 3.524 
[ 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 16.0   n/a MPO502793  

118151 (4391 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 4391 T-3 = 1991 RQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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