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19176 (1991 PK3)
Classification: Main-belt Asteroid          SPK-ID: 2019176
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081338072397528 6.0247e-08  
a 2.538747124393858 1.4295e-08 au
q 2.264222732214176 1.5044e-07 au
i 2.379190737029247 4.8959e-06 deg
node 57.78795440781919 0.00011103 deg
peri 287.9858135741418 0.00011475 deg
M 16.58703823081892 3.2891e-05 deg
tp 2458932.424014283387
(2020-Mar-23.92401428)
0.00013489 TDB
period 1477.500354008093
4.05
1.2479e-05
3.417e-08
d
yr
n .2436547639554935 2.0579e-09 deg/d
Q 2.81327151657354 1.5841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1303  
   data-arc span      17399 days (47.64 yr)  
   first obs. used      1971-09-16  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:40:55  

Additional Information
 Earth MOID = 1.25834 au 
 Jupiter MOID = 2.55333 au 
 T_jup = 3.437 
[ 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 13.8   n/a MPO435877  
diameter diameter 4.740 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.137   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19176 (1991 PK3)          Discovered 1991-Aug-02 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PK3 = 1971 SX = 1992 YX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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