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JPL Small-Body Database Browser
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74033 (1998 HW27)
Classification: Main-belt Asteroid          SPK-ID: 2074033
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033323697536084 5.4375e-08  
a 2.247804511502131 9.9075e-09 au
q 2.015533544585764 1.2333e-07 au
i 6.560440757816421 6.3462e-06 deg
node 216.674695135703 3.2923e-05 deg
peri 192.8122793692382 3.8561e-05 deg
M 227.3396309158856 2.016e-05 deg
tp 2459054.101973260981
(2020-Jul-23.60197326)
6.9858e-05 TDB
period 1230.938158105181
3.37
8.1383e-06
2.228e-08
d
yr
n .2924598588723242 1.9336e-09 deg/d
Q 2.480075478418498 1.0931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1996-10-06  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:08:01  

Additional Information
 Earth MOID = 1.02541 au 
 Jupiter MOID = 2.844 au 
 T_jup = 3.614 
[ 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 16.3   n/a MPO280222  

74033 (1998 HW27)          Discovered 1998-Apr-22 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HW27 = 1996 TV65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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