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JPL Small-Body Database Browser
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100574 (1997 HS2)
Classification: Main-belt Asteroid          SPK-ID: 2100574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033195507694721 4.9104e-08  
a 2.354414435230184 1.1672e-08 au
q 1.875715949934022 1.1542e-07 au
i 3.355728620796093 4.5435e-06 deg
node 125.5791984161731 9.7302e-05 deg
peri 224.9698250851875 9.7994e-05 deg
M 39.2825295934452 1.4569e-05 deg
tp 2458856.514174650733
(2020-Jan-08.01417465)
5.274e-05 TDB
period 1319.540713446967
3.61
9.8122e-06
2.686e-08
d
yr
n .2728221996724837 2.0287e-09 deg/d
Q 2.833112920526345 1.4045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      9123 days (24.98 yr)  
   first obs. used      1993-04-20  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:11:14  

Additional Information
 Earth MOID = .871422 au 
 Jupiter MOID = 2.59548 au 
 T_jup = 3.525 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436468  

100574 (1997 HS2)          Discovered 1997-Apr-30 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 HS2 = 2004 HU31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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