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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479232230630464 3.5688e-08  
a 2.838245898573417 1.0971e-08 au
q 2.418403417410965 1.0254e-07 au
i 3.132411109569689 3.957e-06 deg
node 53.36353619195841 6.2478e-05 deg
peri 1.795281360967888 6.3583e-05 deg
M 185.6537342784089 1.2374e-05 deg
tp 2460242.331011966829
(2023-Oct-24.83101197)
6.1991e-05 TDB
period 1746.519565806503
4.78
1.0127e-05
2.773e-08
d
yr
n .2061242296096238 1.1951e-09 deg/d
Q 3.25808837973587 1.2594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2125  
   data-arc span      11625 days (31.83 yr)  
   first obs. used      1989-09-02  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:23:40  

Additional Information
 Earth MOID = 1.42957 au 
 Jupiter MOID = 2.09204 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468764163579998 3.5528e-08  
q 2.423053156642093 1.02e-07 au
tp 2456750.259086681201
(2014-Apr-02.75908668)
5.7154e-05 TDB
node 53.38089641043913 6.2482e-05 deg
peri 2.329327887861879 6.3612e-05 deg
i 3.131927411016596 3.9553e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2125  
   data-arc span      11625 days (31.83 yr)  
   first obs. used      1989-09-02  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:23:40  

Additional Information
 Jupiter MOID = 2.09204 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.262233223243523E-15 -3.608799110905294E-15 -5.488617583868601E-13 -1.720356285374522E-15 -1.448829666824263E-13 -2.366333651728728E-16
q -3.608799110905294E-15 1.040460073032103E-14 1.603531232326946E-12 3.380537654340029E-15 4.276877244129954E-13 7.976675332437666E-16
tp -5.488617583868601E-13 1.603531232326946E-12 3.266543316686149E-9 7.577879912398628E-12 6.929135057641984E-10 -9.508524916910521E-13
node -1.720356285374522E-15 3.380537654340029E-15 7.577879912398628E-12 3.903981779177241E-9 -3.896426139152062E-9 -6.457367731261748E-11
peri -1.448829666824263E-13 4.276877244129954E-13 6.929135057641984E-10 -3.896426139152062E-9 4.046520251727453E-9 6.430251805918221E-11
i -2.366333651728728E-16 7.976675332437666E-16 -9.508524916910521E-13 -6.457367731261748E-11 6.430251805918221E-11 1.564462113755814E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.03   n/a MPO636253  
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

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