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100125 (1993 QG7)
Classification: Main-belt Asteroid          SPK-ID: 2100125
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105438277067026 3.9051e-08  
a 2.618085008554369 1.4365e-08 au
q 2.342038636037387 9.933e-08 au
i 2.218572481265223 4.1864e-06 deg
node 105.9882137631912 0.00011406 deg
peri 206.1029676435339 0.00011627 deg
M 139.5022464223498 2.429e-05 deg
tp 2458400.912261382474
(2018-Oct-09.41226138)
0.0001031 TDB
period 1547.29827969084
4.24
1.2735e-05
3.487e-08
d
yr
n .232663607738212 1.9149e-09 deg/d
Q 2.894131381071352 1.588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      10157 days (27.81 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:00:51  

Additional Information
 Earth MOID = 1.32801 au 
 Jupiter MOID = 2.32668 au 
 T_jup = 3.397 
[ 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 15.4   n/a MPO453455  
diameter diameter 2.775 km 0.570 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.174   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100125 (1993 QG7)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1993 QG7 = 2002 UV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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