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1717 Arlon (1954 AC)
Classification: Main-belt Asteroid          SPK-ID: 2001717
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289762345203328 4.4075e-08  
a 2.195947594162988 6.5367e-09 AU
q 1.912722542263862 9.7837e-08 AU
i 6.189074371624645 5.7506e-06 deg
node 340.4984050641842 4.8192e-05 deg
peri 115.9643971631829 5.5914e-05 deg
M 220.5294474875999 2.5533e-05 deg
tp 2457260.980670678357
(2015-Aug-26.48067068)
8.4536e-05 JED
period 1188.588117405428
3.25
5.3071e-06
1.453e-08
d
yr
n .3028803626153059 1.3524e-09 deg/d
Q 2.479172646062115 7.3797e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      30155 days (82.56 yr)  
   first obs. used      1930-12-20  
   last obs. used      2013-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4731  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 13:50:41  

Additional Information
 Earth MOID = .938387 AU 
 T_jup = 3.650 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2 mag n/a MPO265966  
rotation period rot_per 5.1484 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Cooney, W.; Gross, J.; Terrell, D.; Stephens, R.; Pravec, P.; et al. (2005) CBET 369.]
[Cooney, W.; Gross, J.; Terrell, D.; Pravec, P.; Kusnirak, P.; et al. (2006) CBET 504.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Brinsfield, J.W. (2009) Minor Planet Bul. 36, 64-66.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)

1717 Arlon (1954 AC)          Discovered 1954-Jan-08 by Arend, S. at Uccle (012)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1954 AC = 1930 YU = 1941 BJ = 1946 UB = 1951 GQ = 1954 CE = 1977 FQ3 = 1978 PC5 = A915 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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