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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336371067349366 3.6447e-08  
a 2.370520934230921 7.3924e-09 au
q 2.053731375125702 8.5798e-08 au
i 6.033110418372756 4.3153e-06 deg
node 196.3313985591139 3.2182e-05 deg
peri 129.6932111772771 3.527e-05 deg
M 158.1460629946873 1.3898e-05 deg
tp 2458614.874467304581
(2019-May-11.37446730)
5.12e-05 TDB
period 1333.104269421069
3.65
6.2359e-06
1.707e-08
d
yr
n .2700463934125261 1.2632e-09 deg/d
Q 2.68731049333614 8.3803e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      10548 days (28.88 yr)  
   first obs. used      1992-03-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:23:40  

Additional Information
 Earth MOID = 1.04679 au 
 Jupiter MOID = 2.63778 au 
 T_jup = 3.525 
[ 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 15.34   n/a E2021B10  

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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