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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .255268633702591 6.3299e-08  
a 2.701718346189193 1.5409e-08 au
q 2.012054395308254 1.6832e-07 au
i 4.756117127058095 9.1064e-06 deg
node 174.8280529734817 6.0504e-05 deg
peri 148.4397296523873 6.2533e-05 deg
M 236.2538516420125 1.5974e-05 deg
tp 2459158.055012063909
(2020-Nov-04.55501206)
7.4639e-05 TDB
period 1622.028701550703
4.44
1.3876e-05
3.799e-08
d
yr
n .2219442847440556 1.8987e-09 deg/d
Q 3.391382297070132 1.9342e-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 = 1.00094 au 
 Jupiter MOID = 1.96935 au 
 T_jup = 3.315 
[ 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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