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100968 (1998 QL20)
Classification: Main-belt Asteroid          SPK-ID: 2100968
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2363408613151774 3.7784e-08  
a 2.378129560104329 6.5413e-09 au
q 1.816080371550188 9.1196e-08 au
i 2.537990351032101 2.7523e-06 deg
node 239.7609048363873 9.3993e-05 deg
peri 104.1303086153458 9.4451e-05 deg
M 22.45186456086305 6.5956e-06 deg
tp 2459116.958627378293
(2020-Sep-24.45862738)
2.462e-05 TDB
period 1339.527684317122
3.67
5.5268e-06
1.513e-08
d
yr
n .2687514444193995 1.1088e-09 deg/d
Q 2.94017874865847 8.0873e-09 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1998-08-04  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:35  

Additional Information
 Earth MOID = .808749 au 
 Jupiter MOID = 2.48498 au 
 T_jup = 3.501 
[ 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 16.25   n/a E2021B55  

100968 (1998 QL20)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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