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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357385075627972 4.8877e-08  
a 2.212625327087745 6.8872e-09 au
q 1.912286867393209 1.0967e-07 au
i 3.300050767301434 4.247e-06 deg
node 320.2853675301639 7.4806e-05 deg
peri 60.09960693936441 7.6018e-05 deg
M 228.5935726417012 1.3645e-05 deg
tp 2459639.307814417874
(2022-Feb-28.80781442)
4.6373e-05 TDB
period 1202.154387469223
3.29
5.6129e-06
1.537e-08
d
yr
n .2994623683550932 1.3982e-09 deg/d
Q 2.512963786782282 7.822e-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 = .915668 au 
 Jupiter MOID = 2.95435 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 16.34   n/a E2021B55  

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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