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46249 (2001 HQ22)
Classification: Main-belt Asteroid          SPK-ID: 2046249
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350969300159356 4.7323e-08  
a 3.194650694434419 2.5299e-08 au
q 2.763063193143052 1.456e-07 au
i 2.44636261059115 3.8219e-06 deg
node 111.9176563517397 0.00012055 deg
peri 95.87231521794558 0.00012166 deg
M 169.1251853224857 2.0168e-05 deg
tp 2458220.695837600541
(2018-Apr-12.19583760)
0.00011109 TDB
period 2085.611896248482
5.71
2.4775e-05
6.783e-08
d
yr
n .1726112133554445 2.0504e-09 deg/d
Q 3.626238195725786 2.8717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      10713 days (29.33 yr)  
   first obs. used      1991-09-08  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:20  

Additional Information
 Earth MOID = 1.75886 au 
 Jupiter MOID = 1.33571 au 
 T_jup = 3.180 
[ 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 14.84   n/a MPCxxxxx  
diameter diameter 6.139 km 1.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46249 (2001 HQ22)          Discovered 2001-Apr-25 by Yeung, W. K. Y. at Desert Beaver
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HQ22 = 2000 CJ145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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