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JPL Small-Body Database Browser
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18617 Puntel (1998 DY9)
Classification: Main-belt Asteroid          SPK-ID: 2018617
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06475750021003063 5.2954e-08  
a 2.140423273543842 7.3365e-09 au
q 2.001814812957772 1.1089e-07 au
i 3.085270319428033 3.6632e-06 deg
node 303.36274849 9.0752e-05 deg
peri 211.0207270061563 9.5488e-05 deg
M 262.211068386864 3.0618e-05 deg
tp 2458911.195615250680
(2020-Mar-02.69561525)
9.7676e-05 TDB
period 1143.794288833606
3.13
5.8807e-06
1.61e-08
d
yr
n .3147419107741071 1.6182e-09 deg/d
Q 2.279031734129912 7.8116e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1623  
   data-arc span      15480 days (42.38 yr)  
   first obs. used      1977-07-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:30:02  

Additional Information
 Earth MOID = 1.01296 au 
 Jupiter MOID = 2.70634 au 
 T_jup = 3.709 
[ 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 14.7   n/a MPO452434  
diameter diameter 2.935 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.391   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18617 Puntel           Discovered 1998 Feb. 24 by M. Boeuf at Les Tardieux.
Nathalie Puntel (b. 1968) is a young, pretty and cheerful French woman who prefers deep-sky pictures to searches for minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1998 DY9 = 1996 MJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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