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15345 (1994 PK11)
Classification: Main-belt Asteroid          SPK-ID: 2015345
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221430665598305 4.007e-08  
a 2.361025718287096 8.1601e-09 au
q 1.836540225000174 9.3911e-08 au
i 4.348337237025073 4.125e-06 deg
node 299.578140454295 6.5046e-05 deg
peri 116.2087067580927 6.6191e-05 deg
M 340.5552726624806 1.0389e-05 deg
tp 2459072.072940558204
(2020-Aug-10.57294056)
3.8241e-05 TDB
period 1325.102592271193
3.63
6.8696e-06
1.881e-08
d
yr
n .2716770777596692 1.4084e-09 deg/d
Q 2.885511211574018 9.9728e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      22672 days (62.07 yr)  
   first obs. used      1958-10-21  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:59:40  

Additional Information
 Earth MOID = .8534 au 
 Jupiter MOID = 2.48395 au 
 T_jup = 3.514 
[ 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 14.4   n/a MPO431676  
diameter diameter 8.077 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15345 (1994 PK11)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1955-Feb-07 23:09 00:04 Iris 0.0428255165603137 0.0428186715637971 0.0428323618179555 1.56187955928105 1.56187947333559 2435146.464414302 4.37840934791957 378.481907242188 26.1649483835024 26.1328368209206 108526.431239258 T 27 CATAB v2.0f-lin.ifort 2020-Dec-18 02:59:43 2020-Dec-18 02:59

Alternate Designations
 1994 PK11 = 1958 UO = 1987 SZ14 = 1990 RV17 = 1992 AE3 = 1994 PY29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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