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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034467242832495 5.4305e-08  
a 2.246781578385839 9.7768e-09 au
q 2.014359383921875 1.2324e-07 au
i 6.559985222294637 6.3457e-06 deg
node 216.6566880644135 3.2936e-05 deg
peri 193.1173703848331 3.8574e-05 deg
M 344.0909173844717 2.0418e-05 deg
tp 2459054.860362583457
(2020-Jul-24.36036258)
6.9884e-05 TDB
period 1230.097988864751
3.37
8.0291e-06
2.198e-08
d
yr
n .2926596118836368 1.9102e-09 deg/d
Q 2.479203772849803 1.0788e-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 = 1.02483 au 
 Jupiter MOID = 2.84305 au 
 T_jup = 3.615 
[ 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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