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101046 (1998 QQ100)
Classification: Main-belt Asteroid          SPK-ID: 2101046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03935167875711974 4.0949e-08  
a 2.626266000101809 1.4358e-08 au
q 2.522918024135057 1.1202e-07 au
i 3.51273288188165 4.2982e-06 deg
node 32.03948939621435 6.8847e-05 deg
peri 350.7678543301239 8.7523e-05 deg
M 9.468508340239255 5.3874e-05 deg
tp 2458959.612970547472
(2020-Apr-20.11297055)
0.00023262 TDB
period 1554.556438457791
4.26
1.2748e-05
3.49e-08
d
yr
n .2315773111184954 1.8991e-09 deg/d
Q 2.729613976068561 1.4923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:21  

Additional Information
 Earth MOID = 1.5255 au 
 Jupiter MOID = 2.42929 au 
 T_jup = 3.398 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO432538  

101046 (1998 QQ100)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QQ100 = 2001 HK21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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