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136197 Johnandrews (2003 UH287)
Classification: Main-belt Asteroid          SPK-ID: 2136197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806601630395712 4.0891e-08  
a 2.323679145641833 1.4298e-08 au
q 1.903882892338528 9.3318e-08 au
i 2.79601577234396 6.3463e-06 deg
node 208.4624092257327 9.6767e-05 deg
peri 85.6131957460714 9.8437e-05 deg
M 337.3253271894581 1.9625e-05 deg
tp 2459081.989414165229
(2020-Aug-20.48941417)
7.0928e-05 TDB
period 1293.786655472428
3.54
1.1941e-05
3.269e-08
d
yr
n .278252985897853 2.5682e-09 deg/d
Q 2.743475398945137 1.6881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8647 days (23.67 yr)  
   first obs. used      1995-05-26  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6216  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:13:39  

Additional Information
 Earth MOID = .890368 au 
 Jupiter MOID = 2.44773 au 
 T_jup = 3.552 
[ 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 17.2   n/a MPO436670  

136197 Johnandrews           Discovered 2003 Oct. 22 by M. W. Buie at Kitt Peak.
John P. Andrews (b. 1963) is a research and development director for Southwest Research Institute in Boulder, CO. He served as the Project Manager 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

[ show close-approach data ]
Alternate Designations
 2003 UH287 = 1995 KM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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