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74035 (1998 HF44)
Classification: Main-belt Asteroid          SPK-ID: 2074035
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335239258103119 5.1208e-08  
a 2.565014378348469 1.4591e-08 au
q 2.222523588791484 1.3677e-07 au
i 3.593811738615353 5.1729e-06 deg
node 191.1978881747322 8.232e-05 deg
peri 14.99895242703277 8.5989e-05 deg
M 42.7249484114236 2.8855e-05 deg
tp 2458422.421217010736
(2018-Oct-30.92121701)
0.00011932 TDB
period 1500.490094424409
4.11
1.2803e-05
3.505e-08
d
yr
n .2399216105042644 2.0471e-09 deg/d
Q 2.907505167905453 1.6539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      10191 days (27.90 yr)  
   first obs. used      1990-06-14  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58645  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:28:32  

Additional Information
 Earth MOID = 1.2188 au 
 Jupiter MOID = 2.05267 au 
 T_jup = 3.417 
[ 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 15.6   n/a MPO293836  
diameter diameter 1.905 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74035 (1998 HF44)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HF44 = 2002 EH41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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