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100982 (1998 QU28)
Classification: Main-belt Asteroid          SPK-ID: 2100982
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09534696127198163 4.6757e-08  
a 2.347978836491421 1.2554e-08 au
q 2.124106189301041 1.1017e-07 au
i 4.523884656923497 4.7008e-06 deg
node 240.7624731519383 8.4715e-05 deg
peri 154.7171114426649 9.1751e-05 deg
M 324.2255218493813 3.6579e-05 deg
tp 2459131.090174007155
(2020-Oct-08.59017401)
0.00013392 TDB
period 1314.134127817118
3.60
1.0539e-05
2.885e-08
d
yr
n .2739446395764706 2.1971e-09 deg/d
Q 2.571851483681802 1.3751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7186 days (19.67 yr)  
   first obs. used      1998-08-17  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:45:13  

Additional Information
 Earth MOID = 1.13206 au 
 Jupiter MOID = 2.78026 au 
 T_jup = 3.549 
[ 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 15.9   n/a MPO337988  

100982 (1998 QU28)          Discovered 1998-Aug-22 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QU28 = 2000 CC23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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