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16695 Terryhandley (1995 AM)
Classification: Mars-crossing Asteroid          SPK-ID: 2016695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3588038354815302 2.8162e-08  
a 2.15793922425804 4.5293e-09 au
q 1.383662353858218 6.1598e-08 au
i 4.784419355496685 3.4964e-06 deg
node 108.6817121249276 4.2367e-05 deg
peri 257.8190642903555 4.2949e-05 deg
M 129.347890035453 4.5926e-06 deg
tp 2458784.480115998261
(2019-Oct-27.98011600)
1.4631e-05 TDB
period 1157.863171943324
3.17
3.6454e-06
9.981e-09
d
yr
n .3109175667067694 9.7889e-10 deg/d
Q 2.932216094657863 6.1545e-09 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      9594 days (26.27 yr)  
   first obs. used      1994-12-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:39:07  

Additional Information
 Earth MOID = .392359 au 
 Jupiter MOID = 2.54048 au 
 T_jup = 3.609 
[ 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 17.0   n/a MPO526115  

16695 Terryhandley           Discovered 1995 Jan. 7 by Spacewatch at Kitt Peak.
Terry R. Handley (1952-2015) was an amateur astronomer with Aspergers Syndrome. In the late 1980s he was recognized as the only amateur astronomer in North America measuring positions of comets and minor planets. He ran a sky survey that resulted in the discovery of 7 minor planets. Name suggested by G. W. Kronk.
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 2016-06-20Last Updated: 2016-06-21

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