Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
78021 (2002 JY64)
Classification: Main-belt Asteroid          SPK-ID: 2078021
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 .1063600880262995 4.1372e-08  
a 3.001392282508955 2.3541e-08 au
q 2.682163935139846 1.1861e-07 au
i 12.88990220913037 5.0492e-06 deg
node 81.81713890841513 2.5185e-05 deg
peri 191.4058013489162 3.8859e-05 deg
M 142.028850592584 3.0092e-05 deg
tp 2458251.198433106519
(2018-May-12.69843311)
0.00015834 TDB
period 1899.251898161445
5.20
2.2345e-05
6.118e-08
d
yr
n .1895483165495293 2.23e-09 deg/d
Q 3.320620629878063 2.6045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      8052 days (22.05 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:33  

Additional Information
 Earth MOID = 1.66722 au 
 Jupiter MOID = 1.77771 au 
 T_jup = 3.206 
[ 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 14.5   n/a MPO449491  
diameter diameter 4.830 km 1.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78021 (2002 JY64)          Discovered 2002-May-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
1906-Mar-09 17:47 00:04 Jupiter 1.77663882073578 1.77663830307175 1.77663933840697 3.63816847315385 3.50467667967996 2417279.240715947 3.81443307221213 288.000144080758 18.4547854266626 -87.2519341148248 2537165.80471998 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28
1952-May-25 01:19 00:02 Jupiter 1.9415720403435 1.94157097210737 1.94157310859597 3.35745325917284 3.22490004834787 2434157.554867803 2.43010022601552 353.206059710008 24.4839762680848 -82.1358172975704 2248054.47477455 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28
1989-Jul-20 14:38 < 00:01 Jupiter 1.78723905655722 1.78723851911482 1.78723959400156 3.66771743140676 3.53614129896074 2447728.109692053 0.914648956687123 124.077260450889 13.2337622904595 -80.3038614480312 2780145.343689 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28
2035-Oct-17 10:58 < 00:01 Jupiter 1.87330236562685 1.87330164362438 1.87330308763229 3.50105687817886 3.36943464314375 2464617.957063885 0.774822602576845 203.41270935053 23.331727901552 -82.9607435030297 2262066.71832632 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28
2072-Dec-02 08:42 00:02 Jupiter 1.83721889645748 1.83721827753833 1.83721951538259 3.64554591707861 3.5168074591738 2478178.862628920 2.03875130995074 194.891551342609 11.1348036287891 -81.3672403954812 3137441.41274114 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28
2119-Mar-06 17:52 00:04 Jupiter 1.8146661979147 1.81466487829451 1.81466751753684 3.61501568170499 3.48350520977989 2495073.244268178 3.72422985471629 171.579180885222 50.2736415675122 -74.8662970556013 2264143.60444264 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28
2156-Apr-18 23:20 00:05 Jupiter 1.90951339337622 1.909511245003 1.9095155417896 3.56021233745221 3.43335860291472 2508631.471939906 5.05223393357142 461.817506518961 10.3154358037051 -75.9884279404468 3363345.42635186 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 21:28:35 2020-Nov-12 21:28

Alternate Designations
 2002 JY64 = 2001 DR51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 15:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin