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74311 (1998 TX37)
Classification: Main-belt Asteroid          SPK-ID: 2074311
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 .09873529684834294 3.635e-08  
a 2.542763861136859 1.1368e-08 au
q 2.291703316492272 9.1417e-08 au
i 6.15195531072248 4.4811e-06 deg
node 186.8753239218794 4.1564e-05 deg
peri 254.8355078874696 4.9607e-05 deg
M 60.83634424728332 2.6481e-05 deg
tp 2458750.224648235399
(2019-Sep-23.72464824)
0.00010875 TDB
period 1481.008232004007
4.05
9.9315e-06
2.719e-08
d
yr
n .2430776495501788 1.6301e-09 deg/d
Q 2.793824405781445 1.249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      10775 days (29.50 yr)  
   first obs. used      1990-10-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:04:19  

Additional Information
 Earth MOID = 1.31652 au 
 Jupiter MOID = 2.41174 au 
 T_jup = 3.430 
[ 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 15.5   n/a MPO453155  

74311 (1998 TX37)          Discovered 1998-Oct-14 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TX37 = 2002 RH137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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