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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105343875131038 3.9883e-08  
a 2.617332102345591 1.4605e-08 au
q 2.34161219617964 1.0224e-07 au
i 2.218532753081924 4.2661e-06 deg
node 105.9897076968975 0.00011907 deg
peri 205.9344010054861 0.0001212 deg
M 46.60114887385625 2.4115e-05 deg
tp 2458400.292290225741
(2018-Oct-08.79229023)		 0.0001032 TDB
period 1546.630871994832
4.23		 1.2945e-05
3.544e-08		 d
yr
n .2327640075719392 1.9482e-09 deg/d
Q 2.893052008511542 1.6143e-08 au
   Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      10101 days (27.66 yr)  
   first obs. used      1992-04-07  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:34:53  

Additional Information
 Earth MOID = 1.32674 au 
 Jupiter MOID = 2.3257 au 
 T_jup = 3.398 
[ 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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