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48182 (2001 HH40)
Classification: Main-belt Asteroid          SPK-ID: 2048182
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06578030461086035 4.2984e-08  
a 2.560160032461395 1.4292e-08 au
q 2.391751925673534 1.1001e-07 au
i 12.87690458816054 4.5766e-06 deg
node 71.44148735468691 1.8293e-05 deg
peri 207.118318004039 3.5065e-05 deg
M 79.16576305272423 3.0193e-05 deg
tp 2458271.471135786799
(2018-Jun-01.97113579)
0.00012548 TDB
period 1496.232544842201
4.10
1.2529e-05
3.43e-08
d
yr
n .2406043106340579 2.0147e-09 deg/d
Q 2.728568139249255 1.5232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      7698 days (21.08 yr)  
   first obs. used      1998-10-03  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:36:04  

Additional Information
 Earth MOID = 1.3813 au 
 Jupiter MOID = 2.3427 au 
 T_jup = 3.397 
[ 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 14.3   n/a MPO449308  
diameter diameter 7.887 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.214 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48182 (2001 HH40)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HH40 = 1999 XC197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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