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JPL Small-Body Database Browser
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100328 (1995 QF4)
Classification: Main-belt Asteroid          SPK-ID: 2100328
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356615176282176 4.8889e-08  
a 2.212716875521853 6.9308e-09 au
q 1.91253634610699 1.0967e-07 au
i 3.300045637220432 4.266e-06 deg
node 320.2853986928671 7.5094e-05 deg
peri 60.13257926795842 7.6334e-05 deg
M 168.6584171450324 1.3635e-05 deg
tp 2458437.261000508574
(2018-Nov-14.76100051)
4.4701e-05 TDB
period 1202.228997812492
3.29
5.6485e-06
1.546e-08
d
yr
n .2994437837176077 1.4069e-09 deg/d
Q 2.512897404936716 7.871e-09 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      9021 days (24.70 yr)  
   first obs. used      1995-08-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:52:11  

Additional Information
 Earth MOID = .917296 au 
 Jupiter MOID = 2.9532 au 
 T_jup = 3.642 
[ 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 16.3   n/a MPO359458  

100328 (1995 QF4)          Discovered 1995-Aug-17 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1995 QF4 = 2000 DG21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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