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72823 (2001 HO3)
Classification: Main-belt Asteroid          SPK-ID: 2072823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384866244870944 3.5986e-08  
a 2.758560085435438 1.3192e-08 au
q 2.376536410758654 9.8563e-08 au
i 11.95572965163303 4.6382e-06 deg
node 50.90143239523195 1.8863e-05 deg
peri 100.6718754540564 2.4935e-05 deg
M 162.2495591960108 1.6541e-05 deg
tp 2458446.271179467426
(2018-Nov-23.77117947)
7.5939e-05 TDB
period 1673.486058989567
4.58
1.2005e-05
3.287e-08
d
yr
n .2151198081789604 1.5432e-09 deg/d
Q 3.140583760112222 1.5019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1389  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:15  

Additional Information
 Earth MOID = 1.42081 au 
 Jupiter MOID = 1.95442 au 
 T_jup = 3.297 
[ 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 14.07   n/a E2021B10  
diameter diameter 4.166 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 141.392 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.337   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72823 (2001 HO3)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HO3 = 1999 XR191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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