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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242548078657045 4.3044e-08  
a 2.29542621280845 1.0977e-08 au
q 1.78066584848519 1.0136e-07 au
i 5.325914786714723 4.4768e-06 deg
node 229.4617606729924 5.4205e-05 deg
peri 37.88781004209919 5.5077e-05 deg
M 303.4219850716367 1.1887e-05 deg
tp 2458800.135897795609
(2019-Nov-12.63589780)
4.2471e-05 TDB
period 1270.262367766288
3.48
9.1115e-06
2.495e-08
d
yr
n .2834060184220425 2.0329e-09 deg/d
Q 2.810186577131711 1.3438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      13872 days (37.98 yr)  
   first obs. used      1981-05-08  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:16:45  

Additional Information
 Earth MOID = .768099 au 
 Jupiter MOID = 2.28566 au 
 T_jup = 3.556 
[ 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 15.6   n/a MPO436307  

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

[ show close-approach data ]
Alternate Designations
 1999 TQ125 = 1981 JV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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