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413377 (2004 HE22)
Classification: Main-belt Asteroid          SPK-ID: 2413377
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163698511974112 8.546e-08  
a 2.652662624085089 3.1529e-08 au
q 2.343972669243373 2.2101e-07 au
i 12.55361917752161 1.1372e-05 deg
node 204.2154871392679 2.8801e-05 deg
peri 47.77758456348822 5.643e-05 deg
M 229.0579999097905 4.3161e-05 deg
tp 2459574.481538205280
(2021-Dec-25.98153821)
0.00018882 TDB
period 1578.052524106439
4.32
2.8135e-05
7.703e-08
d
yr
n .2281292887914788 4.0673e-09 deg/d
Q 2.961352578926805 3.5198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6197 days (16.97 yr)  
   first obs. used      2001-10-18  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:09:27  

Additional Information
 Earth MOID = 1.3507 au 
 Jupiter MOID = 2.08006 au 
 T_jup = 3.346 
[ 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 17.2   n/a MPO413455  

413377 (2004 HE22)          Discovered 2004-Mar-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

Alternate Designations
 2004 HE22 = 2010 VF188 = 2010 VU143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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