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16986 Archivestef (1999 AR34)
Classification: Main-belt Asteroid          SPK-ID: 2016986
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578654058675492 5.9113e-08  
a 2.303191311594076 1.221e-08 AU
q 1.939597080398664 1.3348e-07 AU
i 2.207890889797619 6.5967e-06 deg
node 169.0177413915362 0.00011383 deg
peri 24.6262297142163 0.00011515 deg
M 155.2332528018667 1.7896e-05 deg
tp 2456449.976700169718
(2013-Jun-06.47670017)
6.3149e-05 JED
period 1276.713489936727
3.50
1.0152e-05
2.779e-08
d
yr
n .2819739924717497 2.2422e-09 deg/d
Q 2.666785542789488 1.4137e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1124  
   data-arc span      13352 days (36.56 yr)  
   first obs. used      1978-03-11  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49195  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:33:55  

Additional Information
 Earth MOID = .940486 AU 
 T_jup = 3.572 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO267772  

16986 Archivestef           Discovered 1999 Jan. 15 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Stephanie McLaughlin (b. 1961) has worked at the University of Maryland both for the Small Bodies Node of the Planetary Data System and for the Deep Impact project, contributing to ground testing of scientific instruments and preparation of the complete scientific archive.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1999 AR34 = 1978 EG = 1992 CL8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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