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100986 (1998 QB33)
Classification: Main-belt Asteroid          SPK-ID: 2100986
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708686862614961 4.1977e-08  
a 2.329537489484343 8.6844e-09 au
q 1.931492479059249 9.867e-08 au
i 2.207022255255511 4.735e-06 deg
node 216.0939397920475 0.00013061 deg
peri 85.00867049545913 0.00013146 deg
M 123.3340253474011 1.5842e-05 deg
tp 2458755.578504619056
(2019-Sep-29.07850462)
5.6168e-05 TDB
period 1298.682483491283
3.56
7.2622e-06
1.988e-08
d
yr
n .27720401605187 1.5501e-09 deg/d
Q 2.727582499909436 1.0168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8204 days (22.46 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:40  

Additional Information
 Earth MOID = .915548 au 
 Jupiter MOID = 2.48683 au 
 T_jup = 3.551 
[ 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 16.5   n/a MPO436470  
diameter diameter 2.806 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100986 (1998 QB33)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QB33 = 2001 HO51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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