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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033994752660868 4.449e-08  
a 2.354885965089804 1.0556e-08 au
q 1.875903395479066 1.0382e-07 au
i 3.35576258724009 4.4244e-06 deg
node 125.5780453647074 8.3886e-05 deg
peri 225.0165916276631 8.4688e-05 deg
M 93.7872494635486 1.4374e-05 deg
tp 2458856.629795084420
(2020-Jan-08.12979508)		 5.1226e-05 TDB
period 1319.937139405315
3.61		 8.8755e-06
2.43e-08		 d
yr
n .272740261071974 1.8339e-09 deg/d
Q 2.833868534700543 1.2704e-08 au
   Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      10135 days (27.75 yr)  
   first obs. used      1993-04-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:41  

Additional Information
 Earth MOID = .869867 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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