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JPL Small-Body Database Browser
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379871 (2012 HW33)
Classification: Inner Main-belt Asteroid          SPK-ID: 2379871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09209925356668547 1.9564e-07  
a 1.945521622059164 2.4626e-08 au
q 1.766340532869668 3.6221e-07 au
i 21.81440982704753 8.7091e-06 deg
node 48.49808074197548 2.0102e-05 deg
peri 9.498037047194378 5.179e-05 deg
M 148.3422701306357 4.2311e-05 deg
tp 2458592.072534196748
(2019-Apr-18.57253420)
0.00011547 TDB
period 991.1799756043046
2.71
1.8819e-05
5.152e-08
d
yr
n .3632034634078584 6.8959e-09 deg/d
Q 2.124702711248661 2.6894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2002-10-05  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:38  

Additional Information
 Earth MOID = .778608 au 
 Jupiter MOID = 3.19233 au 
 T_jup = 3.805 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO408660  

379871 (2012 HW33)          Discovered 2002-Oct-05 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 HW33 = 2002 TO60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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