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47938 (2000 HL45)
Classification: Main-belt Asteroid          SPK-ID: 2047938
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080837109022759 4.4065e-08  
a 2.920751737985136 1.4856e-08 au
q 2.605066051519431 1.3226e-07 au
i 2.747892542542792 3.6786e-06 deg
node 132.5336368921114 9.6425e-05 deg
peri 273.9791188373952 9.8338e-05 deg
M 166.9548314445527 1.9152e-05 deg
tp 2458154.954693356278
(2018-Feb-05.45469336)
9.4942e-05 TDB
period 1823.225526077888
4.99
1.3911e-05
3.809e-08
d
yr
n .1974522596633614 1.5065e-09 deg/d
Q 3.236437424450842 1.6462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      13242 days (36.25 yr)  
   first obs. used      1984-01-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:41:46  

Additional Information
 Earth MOID = 1.61645 au 
 Jupiter MOID = 2.11995 au 
 T_jup = 3.269 
[ 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 MPO279992  
diameter diameter 4.281 km 1.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47938 (2000 HL45)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HL45 = 1984 BY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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