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46229 (2001 HQ3)
Classification: Main-belt Asteroid          SPK-ID: 2046229
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082429033027438 3.4081e-08  
a 2.628267035749047 1.1734e-08 au
q 2.343775781144673 9.019e-08 au
i 13.47526799466348 3.8611e-06 deg
node 207.3432532487206 1.3037e-05 deg
peri 354.2268704848915 1.9755e-05 deg
M 216.5936901923847 1.6211e-05 deg
tp 2459820.466779462251
(2022-Aug-28.96677946)
7.1943e-05 TDB
period 1556.333475882791
4.26
1.0423e-05
2.854e-08
d
yr
n .2313128937844115 1.5491e-09 deg/d
Q 2.91275829035342 1.3005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      22041 days (60.34 yr)  
   first obs. used      1960-09-28  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:12  

Additional Information
 Earth MOID = 1.33985 au 
 Jupiter MOID = 2.04997 au 
 T_jup = 3.354 
[ 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 14.96   n/a MPCxxxxx  
diameter diameter 2.742 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46229 (2001 HQ3)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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