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 ]  
120153 Hoekenga (2003 HR2)
Classification: Main-belt Asteroid          SPK-ID: 2120153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09089661428003393 3.8445e-08  
a 3.046519428148567 2.4684e-08 au
q 2.769601126791517 1.2132e-07 au
i 10.17537087307053 4.7827e-06 deg
node 46.40429811791567 3.0032e-05 deg
peri 234.4813401692205 4.7815e-05 deg
M 54.52505321261874 3.4312e-05 deg
tp 2458906.330290074460
(2020-Feb-26.83029007)
0.00018577 TDB
period 1942.24653317139
5.32
2.3605e-05
6.463e-08
d
yr
n .1853523710052273 2.2527e-09 deg/d
Q 3.323437729505617 2.6928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2002-02-10  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:09  

Additional Information
 Earth MOID = 1.76677 au 
 Jupiter MOID = 1.7952 au 
 T_jup = 3.208 
[ 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 15.32   n/a E2021B55  
diameter diameter 3.612 km 1.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.113   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120153 Hoekenga           Discovered 2003 Apr. 21 by the Catalina Sky Survey.
B. Christine Hoekenga (b. 1981) worked on the OSIRIS-REx mission as the social media lead in the Principal Investigator's office.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-11-14Last Updated: 2016-11-20

[ 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
1904-Mar-06 02:16 00:04 Jupiter 1.99013786783776 1.99013621656157 1.99013951912899 4.05730543788698 3.95101347548181 2416545.594477373 4.10003644708612 306.975058703447 25.5840865217645 -75.887966026375 2822276.2818374 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05
1952-Jul-18 18:03 00:02 Jupiter 1.82692026258323 1.82691966068911 1.82692086447871 3.77497469258044 3.65009119778637 2434212.251838996 2.30322847573332 128.035119556739 18.5279073313797 -81.4468103489121 2633060.386202 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05
2000-Nov-28 20:36 < 00:01 Jupiter 1.81175632406394 1.81175584772263 1.81175680040586 3.3756302160473 3.23416916375613 2451877.358281045 0.588210089354713 84.7885395423097 12.3264020125253 -78.5746871382687 2883458.79659766 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05
2049-Apr-24 19:19 00:01 Jupiter 1.94112488672072 1.94112425277995 1.94112552066237 2.90232224999698 2.74786487874289 2469556.304978124 1.35788151145257 88.1526323300802 9.04626569732866 -68.9550189807689 3196706.63947548 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05
2058-Oct-31 21:29 00:02 Jupiter 1.91076547393047 1.91076449510618 1.91076645275822 4.0136452767021 3.90163672789136 2473033.394851683 1.58978668637098 164.200186151311 24.1659260474438 -76.6039770016068 2684835.28720941 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05
2107-Mar-13 22:09 00:03 Jupiter 1.81162695180549 1.81162633747669 1.81162756613439 3.6317589501096 3.50065381372024 2490697.423005054 3.35486682784846 93.8230889947919 19.9232044130165 -82.4055641774239 1791599.8765486 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05
2155-Aug-01 04:28 00:05 Jupiter 1.87069688789605 1.87069561365109 1.87069816215281 3.09679470475474 2.94695919387079 2508369.686292277 5.34813405807598 257.227024724073 10.1849365752119 -71.6300458904537 2848379.40706892 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 17:05:11 2021-Apr-13 17:05

Alternate Designations
 2003 HR2 = 2002 CU290 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 00:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin