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187979 (2001 QK234)
Classification: Main-belt Asteroid          SPK-ID: 2187979
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 .2134482563338017 4.0664e-08  
a 2.401585159889993 1.1344e-08 au
q 1.88897099507434 9.6916e-08 au
i 4.058269522256329 5.1251e-06 deg
node 165.691091294716 7.7194e-05 deg
peri 151.6499046216209 7.9105e-05 deg
M 85.95518364905975 1.7531e-05 deg
tp 2458875.925059937655
(2020-Jan-27.42505994)
6.4879e-05 TDB
period 1359.394203606269
3.72
9.6319e-06
2.637e-08
d
yr
n .2648238450958331 1.8764e-09 deg/d
Q 2.914199324705647 1.3766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      2000-02-12  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:35  

Additional Information
 Earth MOID = .874969 au 
 Jupiter MOID = 2.39935 au 
 T_jup = 3.491 
[ 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 16.97   n/a MPCxxxxx  

187979 (2001 QK234)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Apr-28 20:06 00:04 Europ 0.03685559577736 0.0368432994958588 0.0368678921093902 4.06193800526418 4.061937934268 2425365.337311236 3.77014551368895 616.683256174513 79.9071629960325 6.47252238155082 11798.6997714336 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:57:36 2021-Apr-13 21:57
2163-Nov-20 03:11 < 00:01 Juno 0.0412323228786349 0.0412171411870738 0.0412475172963236 7.2170080023986 7.21700796151482 2511402.632641398 0.438346583082218 1375.96598517408 83.6216318787838 -56.7779292679204 61736.5624004799 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:57:36 2021-Apr-13 21:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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