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JPL Small-Body Database Browser
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74032 (1998 HR27)
Classification: Main-belt Asteroid          SPK-ID: 2074032
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774997725835107 5.3473e-08  
a 2.273623311530558 8.8011e-09 au
q 1.870055690793315 1.2441e-07 au
i 3.322650797780439 5.3587e-06 deg
node 319.2944277552633 7.3333e-05 deg
peri 24.10689980211488 7.4172e-05 deg
M 272.2439623335807 1.1243e-05 deg
tp 2458905.746506452222
(2020-Feb-26.24650645)
3.9698e-05 TDB
period 1252.207201292656
3.43
7.2709e-06
1.991e-08
d
yr
n .2874923571980509 1.6693e-09 deg/d
Q 2.677190932267801 1.0363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      9239 days (25.30 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:40:56  

Additional Information
 Earth MOID = .861749 au 
 Jupiter MOID = 2.71665 au 
 T_jup = 3.587 
[ 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 MPO436300  

74032 (1998 HR27)          Discovered 1998-Apr-22 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HR27 = 1999 RB42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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