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74045 (1998 HG102)
Classification: Main-belt Asteroid          SPK-ID: 2074045
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631198496873955 3.0411e-08  
a 2.455334186229098 1.1457e-08 au
q 2.054820442839084 7.7161e-08 au
i 4.291537380326266 4.1164e-06 deg
node 225.6342096685545 5.9815e-05 deg
peri 27.89219906600489 6.1776e-05 deg
M 144.3897891710507 1.6602e-05 deg
tp 2458036.864518858990
(2017-Oct-10.36451886)
6.3931e-05 TDB
period 1405.284780701416
3.85
9.8363e-06
2.693e-08
d
yr
n .2561758334992528 1.7931e-09 deg/d
Q 2.855847929619112 1.3326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      8546 days (23.40 yr)  
   first obs. used      1995-08-31  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:08:24  

Additional Information
 Earth MOID = 1.0413 au 
 Jupiter MOID = 2.18558 au 
 T_jup = 3.471 
[ 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 15.7   n/a MPO453153  
diameter diameter 1.678 km 0.258 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74045 (1998 HG102)          Discovered 1998-Apr-25 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HG102 = 1999 TR45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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