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226673 (2004 HR5)
Classification: Main-belt Asteroid          SPK-ID: 2226673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690375842988477 6.7014e-08  
a 2.293112718650103 1.433e-08 au
q 1.905490484164527 1.5033e-07 au
i 3.633161964113941 5.8737e-06 deg
node 282.6977839780228 0.0001029 deg
peri 285.2085054611899 0.000104 deg
M 231.2115786010635 1.6317e-05 deg
tp 2459454.243953481190
(2021-Aug-27.74395348)
5.8737e-05 TDB
period 1268.342460284068
3.47
1.1889e-05
3.255e-08
d
yr
n .2838350140224522 2.6605e-09 deg/d
Q 2.68073495313568 1.6752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      7236 days (19.81 yr)  
   first obs. used      2000-01-03  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:55:41  

Additional Information
 Earth MOID = .904523 au 
 Jupiter MOID = 2.30011 au 
 T_jup = 3.575 
[ 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 17.4   n/a MPO450051  

226673 (2004 HR5)          Discovered 2004-Apr-17 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 HR5 = 2000 AZ250 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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