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72844 (2001 HL34)
Classification: Main-belt Asteroid          SPK-ID: 2072844
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04201681526554583 4.1548e-08  
a 3.164602023966309 2.7124e-08 au
q 3.031635525336344 1.3428e-07 au
i 8.801857441941378 4.5656e-06 deg
node 217.3902206976186 2.6194e-05 deg
peri 312.1326278999868 5.8909e-05 deg
M 224.6349881612651 5.4563e-05 deg
tp 2459973.680698636637
(2023-Jan-29.18069864)
0.00031537 TDB
period 2056.255510403174
5.63
2.6436e-05
7.238e-08
d
yr
n .1750755186690851 2.2509e-09 deg/d
Q 3.297568522596273 2.8263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:22  

Additional Information
 Earth MOID = 2.04274 au 
 Jupiter MOID = 1.70011 au 
 T_jup = 3.184 
[ 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 14.83   n/a MPCxxxxx  
diameter diameter 5.901 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72844 (2001 HL34)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HL34 = 2000 CT90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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