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74134 (1998 QG72)
Classification: Main-belt Asteroid          SPK-ID: 2074134
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622889010311739 5.2927e-08  
a 2.644294958004322 1.306e-08 au
q 2.215155235267527 1.4156e-07 au
i 15.53075039353801 6.251e-06 deg
node 246.9697018973449 1.6992e-05 deg
peri 36.92742065955352 2.4683e-05 deg
M 62.48114490492875 1.4728e-05 deg
tp 2458727.910106206674
(2019-Sep-01.41010621)
6.4169e-05 TDB
period 1570.591606714563
4.30
1.1636e-05
3.186e-08
d
yr
n .2292129911180825 1.6981e-09 deg/d
Q 3.073434680741118 1.518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7670 days (21.00 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:43:21  

Additional Information
 Earth MOID = 1.21731 au 
 Jupiter MOID = 2.07821 au 
 T_jup = 3.323 
[ 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 14.9   n/a MPO436301  
diameter diameter 2.725 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.344   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74134 (1998 QG72)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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