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72838 (2001 HM29)
Classification: Main-belt Asteroid          SPK-ID: 2072838
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 .1230160696314437 4.0915e-08  
a 3.037126852255212 2.3439e-08 au
q 2.663511443918658 1.2782e-07 au
i 19.61235810631467 6.294e-06 deg
node 224.1907377182976 1.244e-05 deg
peri 282.4416117130886 2.7575e-05 deg
M 322.8710445628911 2.5865e-05 deg
tp 2459399.889853681477
(2021-Jul-04.38985368)
0.00013958 TDB
period 1933.271391028425
5.29
2.238e-05
6.127e-08
d
yr
n .1862128626485773 2.1556e-09 deg/d
Q 3.410742260591767 2.6322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1999-01-09  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:20  

Additional Information
 Earth MOID = 1.75128 au 
 Jupiter MOID = 1.83924 au 
 T_jup = 3.142 
[ 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 14.37   n/a MPCxxxxx  
diameter diameter 8.722 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72838 (2001 HM29)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HM29 = 1999 AH15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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