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8567 (1996 HW1)
Classification: Amor [NEO]          SPK-ID: 2008567
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 525 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4493050501863463 8.3468e-09  
a 2.045815038908527 5.8076e-09 au
q 1.126620010179749 1.6002e-08 au
i 8.450147906639952 2.749e-06 deg
node 177.1009009159868 9.0242e-06 deg
peri 177.2681425077489 1.1523e-05 deg
M 133.9114105923063 7.3751e-06 deg
tp 2458998.930498593195
(2020-May-29.43049859)
2.0228e-05 TDB
period 1068.803770144685
2.93
4.5511e-06
1.246e-08
d
yr
n .3368251591695512 1.4342e-09 deg/d
Q 2.965010067637305 8.4169e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3839  
   # delay obs. used      6  
   # Doppler obs. used      6  
   data-arc span      24063 days (65.88 yr)  
   first obs. used      1955-05-23  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-02 05:54:25  

Additional Information
 Earth MOID = .121542 au 
 Jupiter MOID = 2.48625 au 
 T_jup = 3.652 
[ 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 15.24   n/a MPCxxxxx  
diameter diameter 2.928 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 8.7573 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Higgins, D.J.; Pravec, P.; Kusnirak, P.; Masi, G.; et al. (2006) Minor Planet Bull. 33, 8-10.]
[Benishek, V.; Protitch-Benishek, V. (2009) Minor Planet Bull. 36, 35-37.]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Magri, C.; Howell, E.S.; Nolan, M.; Taylor, P.A.; et al. (2011) Icarus 214, 210-227.]
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.156   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

8567 (1996 HW1)          Discovered 1996-Apr-23 by Spacewatch at Kitt Peak
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

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