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18022 Pepper (1999 JN127)
Classification: Main-belt Asteroid          SPK-ID: 2018022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220641051314731 5.2499e-08  
a 2.809289017286964 1.4716e-08 au
q 2.466375667336155 1.4673e-07 au
i 2.457593117203405 5.836e-06 deg
node 356.2413482454941 8.3471e-05 deg
peri 331.516457134987 8.5707e-05 deg
M 16.82142249357249 1.9817e-05 deg
tp 2458520.137529934591
(2019-Feb-05.63752993)
9.4608e-05 TDB
period 1719.859853386459
4.71
1.3514e-05
3.7e-08
d
yr
n .2093193810479083 1.6448e-09 deg/d
Q 3.152202367237773 1.6513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1384  
   data-arc span      10172 days (27.85 yr)  
   first obs. used      1992-01-28  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:24:51  

Additional Information
 Earth MOID = 1.45442 au 
 Jupiter MOID = 2.16352 au 
 T_jup = 3.309 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO452426  
diameter diameter 8.193 km 2.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.030   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

18022 Pepper           Discovered 1999 May 13 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brian Jeffrey Pepper (b. 1986) was awarded second place in the 2003 Intel International Science and Engineering Fair for his behavioral and social sciences project. He attends the Middletown High School, Middletown, Maryland, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 1999 JN127 = 1998 FB37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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