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190505 (2000 HS4)
Classification: Main-belt Asteroid          SPK-ID: 2190505
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297914866420872 4.2232e-08  
a 2.329673179278548 9.4624e-09 au
q 2.027301433949788 1.0026e-07 au
i 5.465657683968734 4.6868e-06 deg
node 180.4668090274519 3.9107e-05 deg
peri 334.949937186629 4.1986e-05 deg
M 336.3472136438368 1.4657e-05 deg
tp 2459285.833731082174
(2021-Mar-12.33373108)
5.2965e-05 TDB
period 1298.795952705081
3.56
7.913e-06
2.166e-08
d
yr
n .2771797981432004 1.6887e-09 deg/d
Q 2.632044924607308 1.0691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      9682 days (26.51 yr)  
   first obs. used      1994-09-11  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:56  

Additional Information
 Earth MOID = 1.03793 au 
 Jupiter MOID = 2.35576 au 
 T_jup = 3.554 
[ 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 16.8   n/a MPO449945  

190505 (2000 HS4)          Discovered 2000-Apr-27 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2000 HS4 = 2005 TV7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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