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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09138899997690235 4.2274e-08  
a 3.049076378511979 3.0667e-08 au
q 2.770424337426574 1.3754e-07 au
i 10.17483600528612 6.1901e-06 deg
node 46.44836922980454 3.2726e-05 deg
peri 234.8536584375263 5.2016e-05 deg
M 17.08340942639101 3.9565e-05 deg
tp 2458908.216739421078
(2020-Feb-28.71673942)
0.00021352 TDB
period 1944.692243756078
5.32
2.9339e-05
8.033e-08
d
yr
n .1851192656091833 2.7929e-09 deg/d
Q 3.327728419597384 3.347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      6298 days (17.24 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58219  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:57:44  

Additional Information
 Earth MOID = 1.76955 au 
 Jupiter MOID = 1.79423 au 
 T_jup = 3.207 
[ 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 15.2   n/a MPO436580  
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

[ show close-approach data ]
Alternate Designations
 2003 HR2 = 2002 CU290 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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