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78300 (2002 PK55)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078300
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01152704007582456 4.2704e-08  
a 3.21907064883377 2.584e-08 au
q 3.181964292457752 1.4658e-07 au
i 20.77087816225682 4.1776e-06 deg
node 321.2501356179781 1.329e-05 deg
peri 91.16034670630425 0.00025258 deg
M 311.3541382565834 0.00024889 deg
tp 2459285.560859075922
(2021-Mar-12.06085908)
0.0014571 TDB
period 2109.571206870851
5.78
2.5401e-05
6.954e-08
d
yr
n .1706507933116852 2.0548e-09 deg/d
Q 3.256177005209787 2.6138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:22  

Additional Information
 Earth MOID = 2.20502 au 
 Jupiter MOID = 1.8205 au 
 T_jup = 3.087 
[ 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 MPO493422  
diameter diameter 9.521 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78300 (2002 PK55)          Discovered 2002-Aug-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
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
1939-Jan-31 03:07 00:03 Jupiter 1.9626779669956 1.9626767723546 1.96267916163672 6.50532155962945 6.43863954625711 2429294.629927226 2.57254479835481 257.23051265269 60.2905274100404 88.9726147848808 4711392.54773639 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:25 2020-Dec-17 22:06
1950-Jun-08 17:06 00:02 Jupiter 1.89304432190698 1.89304381374278 1.89304483007376 6.67854400466323 6.6112080081947 2433441.212156186 2.04650756689951 334.071427199059 23.6265619081532 88.5810794880998 4832657.86908327 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:25 2020-Dec-17 22:06
1961-Oct-22 14:30 00:02 Jupiter 1.9353101167096 1.93530927024871 1.9353109631914 6.64766376868103 6.58149666871226 2437595.103867454 1.6760442948412 355.416376041777 17.261959806578 83.8105109234979 4861789.87498481 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:25 2020-Dec-17 22:06
2164-Jul-12 03:40 00:05 Jupiter 1.99953873846869 1.99953596861177 1.9995415083305 6.34958902607489 6.28252042493506 2511637.652904934 5.09264930527809 296.481093558369 112.402074674731 72.1808236201995 4179826.67555575 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:25 2020-Dec-17 22:06
2175-Nov-15 10:05 00:05 Jupiter 1.90317934458939 1.90317825843791 1.90318043077548 6.60826032274072 6.54056506016327 2515780.919893358 4.97440308463702 537.796970470442 35.27994578502 -85.5578812305314 5129861.89498482 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:25 2020-Dec-17 22:06
2187-Mar-31 12:41 00:05 Jupiter 1.9101426162564 1.91014135199201 1.91014388066922 6.63627654862333 6.56911699386918 2519935.028623454 5.18024482882345 875.806881822301 15.6082976267292 85.970055922135 5342991.93831715 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:25 2020-Dec-17 22:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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