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74127 (1998 QG61)
Classification: Main-belt Asteroid          SPK-ID: 2074127
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2554483191781833 6.3247e-08  
a 2.703294986315644 1.5197e-08 au
q 2.012742825818503 1.6851e-07 au
i 4.755439101726616 9.1045e-06 deg
node 174.8101292647316 6.0507e-05 deg
peri 148.3338638358627 6.2537e-05 deg
M 325.1424060263275 1.6402e-05 deg
tp 2459157.693104577169
(2020-Nov-04.19310458)
7.4726e-05 TDB
period 1623.448758124911
4.44
1.369e-05
3.748e-08
d
yr
n .2217501465311424 1.8699e-09 deg/d
Q 3.393847146812786 1.9079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9465 days (25.91 yr)  
   first obs. used      1993-05-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61541  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:24:31  

Additional Information
 Earth MOID = 1.0025 au 
 Jupiter MOID = 1.96958 au 
 T_jup = 3.314 
[ 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 16.2   n/a MPO432294  

74127 (1998 QG61)          Discovered 1998-Aug-23 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QG61 = 2002 JJ136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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