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74040 (1998 HU83)
Classification: Main-belt Asteroid          SPK-ID: 2074040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783813845422887 4.1639e-08  
a 2.402941240108409 1.2183e-08 au
q 1.974301254724107 1.0126e-07 au
i 3.947369848630784 4.6111e-06 deg
node 145.9932259783089 6.4945e-05 deg
peri 136.8894130813196 6.6016e-05 deg
M 178.816846837535 1.3538e-05 deg
tp 2457924.698603189431
(2017-Jun-20.19860319)
4.911e-05 TDB
period 1360.545760393852
3.72
1.0347e-05
2.833e-08
d
yr
n .2645996999731836 2.0123e-09 deg/d
Q 2.831581225492711 1.4356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1995-07-28  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56612  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:50:14  

Additional Information
 Earth MOID = .959514 au 
 Jupiter MOID = 2.31998 au 
 T_jup = 3.500 
[ 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 15.5   n/a MPO432293  
diameter diameter 4.421 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74040 (1998 HU83)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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