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JPL Small-Body Database Browser
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168221 Donjennings (2006 JO60)
Classification: Main-belt Asteroid          SPK-ID: 2168221
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.

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888890348136984 5.16e-08  
a 2.770166310375237 2.9577e-08 au
q 2.246912269735034 1.4853e-07 au
i 3.637162973588405 7.295e-06 deg
node 53.14732514627674 8.9682e-05 deg
peri 304.3013004240417 9.2079e-05 deg
M 184.3946070886616 2.1158e-05 deg
tp 2459421.971574577604
0.0001065 TDB
period 1684.058569871194
n .2137692871498731 3.4236e-09 deg/d
Q 3.29342035101544 3.5163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6134 days (16.79 yr)  
   first obs. used      2002-06-17  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61316  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:28:53  

Additional Information
 Earth MOID = 1.24467 au 
 Jupiter MOID = 2.15524 au 
 T_jup = 3.308 
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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 MPO433077  

168221 Donjennings           Discovered 2006 May 1 by M. W. Buie at Kitt Peak.
Don E. Jennings (b. 1948) of the NASA Goddard Spaceflight Center, served as a Co-Investigator for Surface Composition Science for the New Horizons Mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
2117-Jul-08 01:07 00:02 Hygie 0.0123578115719935 0.0123165627418732 0.0123991064067765 4.62708449354612 4.62708381784684 2494466.546625545 2.2150057012423 2374.24647844164 77.0212176775779 -30.0526642046487 12020.6622350497 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 07:28:55 2019-Jul-14 07:28

Alternate Designations
 2006 JO60 = 2004 AK11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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