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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241828517766005 3.1417e-08  
a 2.295367603177314 8.9089e-09 au
q 1.780785548021403 7.1235e-08 au
i 5.325095976080044 4.2339e-06 deg
node 229.4504268226955 3.9165e-05 deg
peri 37.79244681567064 4.0461e-05 deg
M 113.5494022400698 1.2127e-05 deg
tp 2458799.855532473918
(2019-Nov-12.35553247)
4.1681e-05 TDB
period 1270.21371723692
3.48
7.395e-06
2.025e-08
d
yr
n .2834168731724165 1.65e-09 deg/d
Q 2.809949658333224 1.0906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      14492 days (39.68 yr)  
   first obs. used      1981-05-08  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:26:57  

Additional Information
 Earth MOID = .766875 au 
 Jupiter MOID = 2.2852 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 15.74   n/a E2021B10  

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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