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72829 (2001 HQ11)
Classification: Main-belt Asteroid          SPK-ID: 2072829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734783170574574 3.7121e-08  
a 2.778873209278212 1.5419e-08 au
q 2.296798961616572 1.0082e-07 au
i 12.67689932078189 5.3605e-06 deg
node 214.5055841005105 1.6549e-05 deg
peri 235.5191751730411 2.2134e-05 deg
M 189.7170315705978 1.6609e-05 deg
tp 2460000.832100167830
(2023-Feb-25.33210017)
8.1337e-05 TDB
period 1692.00454230906
4.63
1.4082e-05
3.855e-08
d
yr
n .2127653862611456 1.7708e-09 deg/d
Q 3.260947456939852 1.8094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:17  

Additional Information
 Earth MOID = 1.33812 au 
 Jupiter MOID = 2.12231 au 
 T_jup = 3.277 
[ 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 14.5   n/a MPO436293  
diameter diameter 3.244 km 0.836 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72829 (2001 HQ11)          Discovered 2001-Apr-18 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HQ11 = 2000 AL189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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