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1046 Edwin (A924 XF)
Classification: Main-belt Asteroid          SPK-ID: 2001046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06141522987793187 1.8386e-08  
a 2.988082968812283 1.173e-08 au
q 2.804569166388343 5.9203e-08 au
i 7.903519462871124 7.7991e-07 deg
node 10.49698609886928 1.016e-05 deg
peri 47.94200805611956 2.087e-05 deg
M 282.4830185731687 1.6475e-05 deg
tp 2459802.739133293523
(2022-Aug-11.23913329)
8.7203e-05 TDB
period 1886.632906671045
5.17
1.1109e-05
3.041e-08
d
yr
n .1908161353101905 1.1236e-09 deg/d
Q 3.171596771236222 1.245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2851  
   data-arc span      34843 days (95.39 yr)  
   first obs. used      1926-03-17  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:16:32  

Additional Information
 Earth MOID = 1.82232 au 
 Jupiter MOID = 2.05713 au 
 T_jup = 3.240 
[ 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 10.76   n/a MPO636077  
diameter diameter 29.084 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.2906 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Koff, R.A. (2002) Minor Planet Bull. 29, 25-26.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ditteon, R.; Hawkins, S. (2007) Minor Planet Bull. 34, 59-64.]
geometric albedo albedo 0.201   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Xe   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1046 Edwin (A924 XF)          Discovered 1924-Dec-01 by Van Biesbroeck, G. at Williams Bay
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A924 XF = 1949 RB = 1949 YL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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