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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356615101525583 4.885e-08  
a 2.212716873950332 6.9077e-09 au
q 1.912536361290182 1.0958e-07 au
i 3.30004507952092 4.2469e-06 deg
node 320.2854194716889 7.4804e-05 deg
peri 60.1325575999815 7.6019e-05 deg
M 168.6584196757683 1.3559e-05 deg
tp 2458437.260992657155
(2018-Nov-14.76099266)
4.4422e-05 TDB
period 1202.228996531717
3.29
5.6297e-06
1.541e-08
d
yr
n .2994437840366153 1.4022e-09 deg/d
Q 2.512897386610482 7.8448e-09 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      9039 days (24.75 yr)  
   first obs. used      1995-08-17  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:02:43  

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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