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74905 (1999 TQ125)
Classification: Main-belt Asteroid          SPK-ID: 2074905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2240193375179695 3.0647e-08  
a 2.295695359049025 8.8149e-09 au
q 1.781415205571785 6.9668e-08 au
i 5.324401404933886 4.1563e-06 deg
node 229.4486778988562 3.9113e-05 deg
peri 37.81059494414922 4.0412e-05 deg
M 169.0804584163457 1.2242e-05 deg
tp 2458799.793557117068
(2019-Nov-12.29355712)
4.1554e-05 TDB
period 1270.48578794892
3.48
7.3175e-06
2.003e-08
d
yr
n .2833561803010692 1.632e-09 deg/d
Q 2.809975512526265 1.079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      14492 days (39.68 yr)  
   first obs. used      1981-05-08  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:55:36  

Additional Information
 Earth MOID = .76922 au 
 Jupiter MOID = 2.28403 au 
 T_jup = 3.556 
[ 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 15.74   n/a E2021B10  

74905 (1999 TQ125)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TQ125 = 1981 JV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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