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JPL Small-Body Database Browser
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15386 Nicolini (1997 ST4)
Classification: Main-belt Asteroid          SPK-ID: 2015386
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335545197348503 3.7832e-08  
a 2.369853162215219 7.8297e-09 au
q 2.053348561293449 8.9576e-08 au
i 6.033740293159079 4.7053e-06 deg
node 196.3448137488139 3.3893e-05 deg
peri 129.5212430604553 3.7777e-05 deg
M 356.2498338961263 1.5242e-05 deg
tp 2458614.381250344701
(2019-May-10.88125034)
5.6415e-05 TDB
period 1332.54100903176
3.65
6.6038e-06
1.808e-08
d
yr
n .2701605410715128 1.3389e-09 deg/d
Q 2.686357763136989 8.8754e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      10132 days (27.74 yr)  
   first obs. used      1992-03-03  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:58:23  

Additional Information
 Earth MOID = 1.04743 au 
 Jupiter MOID = 2.63661 au 
 T_jup = 3.526 
[ 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 15.3   n/a MPO502287  

15386 Nicolini           Discovered 1997 Sept. 25 at Madonna di Dossobuono.
Martino Nicolini, a nuclear engineer, is very active in amateur astronomy. He measures positions of minor planets at the Cavezzo Observatory, near Modena, and has written software for processing CCD images.
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

[ show close-approach data ]
Alternate Designations
 1997 ST4 = 1992 EL29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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