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48185 (2001 HK44)
Classification: Main-belt Asteroid          SPK-ID: 2048185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04275268158784585 3.4013e-08  
a 2.746040465715577 1.4734e-08 au
q 2.628639872057499 9.6268e-08 au
i 5.858788638975967 3.9432e-06 deg
node 186.0898871071373 3.5163e-05 deg
peri 102.7116028220477 6.9166e-05 deg
M 5.458664287102502 5.6354e-05 deg
tp 2458975.297552959789
(2020-May-05.79755296)
0.00026026 TDB
period 1662.106416016994
4.55
1.3378e-05
3.663e-08
d
yr
n .2165926300090278 1.7433e-09 deg/d
Q 2.863441059373654 1.5364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      15063 days (41.24 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53427  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:38:34  

Additional Information
 Earth MOID = 1.62051 au 
 Jupiter MOID = 2.19921 au 
 T_jup = 3.339 
[ 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 15.0   n/a MPO309524  
diameter diameter 2.738 km 0.967 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48185 (2001 HK44)          Discovered 2001-Apr-16 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HK44 = 1979 OP10 = 1998 UO38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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