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12386 Nikolova (1994 UK5)
Classification: Main-belt Asteroid          SPK-ID: 2012386
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147789208274158 3.721e-08  
a 2.838648914504418 1.1513e-08 au
q 2.419127238861512 1.0603e-07 au
i 3.132224659081234 4.0007e-06 deg
node 53.36408088495342 7.4609e-05 deg
peri 1.844484440068053 7.6109e-05 deg
M 145.1955296773711 1.4263e-05 deg
tp 2458495.942090684708
(2019-Jan-12.44209068)
6.8764e-05 TDB
period 1746.891573845991
4.78
1.0628e-05
2.91e-08
d
yr
n .206080334572464 1.2538e-09 deg/d
Q 3.258170590147325 1.3215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1969  
   data-arc span      11496 days (31.47 yr)  
   first obs. used      1989-09-02  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:19:47  

Additional Information
 Earth MOID = 1.42997 au 
 Jupiter MOID = 2.09085 au 
 T_jup = 3.292 
[ 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 14.02   n/a E2021B10  
diameter diameter 7.052 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12386 Nikolova           Discovered 1994 Oct. 28 by Spacewatch at Kitt Peak.
Simona Rumenova Nikolova (b. 1971), a graduate student at the University of Western Ontario, calculated comet data at the Royal Astronomical Observatory in Sofia and studied at the University of Regina, Saskatchewan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1994 UK5 = 1991 CO6 = 1992 JZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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