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37950 (1998 HU33)
Classification: Main-belt Asteroid          SPK-ID: 2037950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135813275236477 4.7934e-08  
a 2.610977053285825 1.4257e-08 au
q 2.314418813439839 1.2544e-07 au
i 4.624049684951549 6.7392e-06 deg
node 6.442655468159575 5.4018e-05 deg
peri 247.0890367192662 6.1195e-05 deg
M 46.9635873978418 2.7358e-05 deg
tp 2458799.469583471509
(2019-Nov-11.96958347)
0.00011729 TDB
period 1541.001315278198
4.22
1.2621e-05
3.455e-08
d
yr
n .2336143366204778 1.9134e-09 deg/d
Q 2.907535293131811 1.5876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1998-03-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:02:04  

Additional Information
 Earth MOID = 1.3049 au 
 Jupiter MOID = 2.14143 au 
 T_jup = 3.396 
[ 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 14.8   n/a MPO337567  
diameter diameter 3.013 km 0.891 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37950 (1998 HU33)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HU33 = 1999 RT69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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