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528159 (2008 HS3)
Classification: Amor [NEO, PHA]          SPK-ID: 2528159
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2254465580636073 6.6696e-09  
a 1.349998835961157 1.5339e-09 au
q 1.045646245003838 9.5778e-09 au
i 8.173404716547168 2.8809e-06 deg
node 227.7064234121659 6.0025e-06 deg
peri 5.011966697502949 1.0889e-05 deg
M 129.8620145669758 6.5945e-06 deg
tp 2459189.829660450938
(2020-Dec-06.32966045)
1.0399e-05 TDB
period 572.9259821338284
1.57
9.7647e-07
2.673e-09
d
yr
n .6283534195101461 1.0709e-09 deg/d
Q 1.654351426918477 1.8797e-09 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      4119 days (11.28 yr)  
   first obs. used      2008-04-30  
   last obs. used      2019-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .29407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-11 06:33:30  

Additional Information
 Earth MOID = .0367873 au 
 Jupiter MOID = 3.33497 au 
 T_jup = 4.837 
[ 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 21.55   n/a MPCxxxxx  
rotation period rot_per 10.68 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 423-438.]

528159 (2008 HS3)          Discovered 2008-Apr-30 by CSS at Catalina
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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