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100976 (1998 QK25)
Classification: Main-belt Asteroid          SPK-ID: 2100976
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103476067871971 4.7002e-08  
a 2.661162803428723 1.0728e-08 au
q 2.101393576456383 1.2264e-07 au
i 8.852867229759848 4.6179e-06 deg
node 338.3486045314829 2.8602e-05 deg
peri 17.12742932090407 3.0257e-05 deg
M 35.38297505234313 9.047e-06 deg
tp 2459044.653361611164
(2020-Jul-14.15336161)
3.9748e-05 TDB
period 1585.64365311236
4.34
9.5885e-06
2.625e-08
d
yr
n .2270371399610364 1.3729e-09 deg/d
Q 3.220932030401063 1.2985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      8207 days (22.47 yr)  
   first obs. used      1998-07-31  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44807  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:40  

Additional Information
 Earth MOID = 1.0964 au 
 Jupiter MOID = 2.2289 au 
 T_jup = 3.337 
[ 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 14.75   n/a E2021B55  

100976 (1998 QK25)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QK25 = 2001 FW166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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