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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335620259450583 4.9384e-08  
a 2.563543655092292 1.365e-08 au
q 2.221151570919566 1.3113e-07 au
i 3.594194394377505 4.8613e-06 deg
node 191.1561755003967 6.5521e-05 deg
peri 14.58549446961881 6.9368e-05 deg
M 234.3210984743325 2.8417e-05 deg
tp 2459919.882718419520
(2022-Dec-06.38271842)		 0.0001215 TDB
period 1499.199757029596
4.10		 1.1974e-05
3.278e-08		 d
yr
n .2401281072198661 1.9179e-09 deg/d
Q 2.905935739265018 1.5473e-08 au
   Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      11169 days (30.58 yr)  
   first obs. used      1990-06-14  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:10:38  

Additional Information
 Earth MOID = 1.21796 au 
 Jupiter MOID = 2.05082 au 
 T_jup = 3.418 
[ 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 15.59   n/a E2021B10  
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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