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180768 (2004 PK54)
Classification: Main-belt Asteroid          SPK-ID: 2180768
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426108178929705 4.6554e-08  
a 3.192064767743374 2.9705e-08 au
q 2.736841800448157 1.6237e-07 au
i 4.509613612742848 6.7947e-06 deg
node 194.6770296700889 5.0951e-05 deg
peri 70.58140593192438 5.6261e-05 deg
M 359.8418591201364 2.3261e-05 deg
tp 2459201.415055886074
(2020-Dec-17.91505589)
0.0001346 TDB
period 2083.080094601756
5.70
2.9077e-05
7.961e-08
d
yr
n .172821007186872 2.4124e-09 deg/d
Q 3.647287735038592 3.3941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2002-02-11  
   last obs. used      2020-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:54  

Additional Information
 Earth MOID = 1.72375 au 
 Jupiter MOID = 1.44636 au 
 T_jup = 3.176 
[ 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 15.09   n/a E2021B55  
diameter diameter 5.360 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180768 (2004 PK54)          Discovered 2004-Aug-08 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 PK54 = 2003 JK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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