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517 Edith (A903 SK)
Classification: Main-belt Asteroid          SPK-ID: 2000517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792234836777919 2.9961e-08  
a 3.155351721280329 1.2925e-08 au
q 2.589838593563751 9.5052e-08 au
i 3.22851370857117 3.5632e-06 deg
node 273.8273816797517 7.2571e-05 deg
peri 143.2853956101108 7.3555e-05 deg
M 286.7286563995937 1.178e-05 deg
tp 2459417.179127348926
(2021-Jul-21.67912735)
6.723e-05 TDB
period 2047.246283126457
5.61
1.2579e-05
3.444e-08
d
yr
n .1758459658552781 1.0805e-09 deg/d
Q 3.720864848996907 1.5242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3114  
   data-arc span      42729 days (116.99 yr)  
   first obs. used      1903-09-27  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:27:29  

Additional Information
 Earth MOID = 1.60288 au 
 Jupiter MOID = 1.63739 au 
 T_jup = 3.179 
[ 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 9.5   n/a MPO492755 IRAS observations used: 10
diameter diameter 111.890 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.2747 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Koff, R.A. (2005) Minor Planet Bull. 32, 32-34.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.026   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.711   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.28, mean=8.48, max.=13.48) deg.
U-B UB 0.327   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.67, mean=11.57, max.=13.48) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

517 Edith (A903 SK)          Discovered 1903-Sep-22 by Dugan, R. S. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A903 SK = 1953 VS = A905 BB = A909 XA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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