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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289829730707717 3.6966e-08  
a 2.19570132569277 7.0528e-09 AU
q 1.912493240729482 8.2444e-08 AU
i 6.189394229872526 6.0003e-06 deg
node 340.497652231226 3.8908e-05 deg
peri 116.0179416352641 4.6632e-05 deg
M 281.0518438452659 2.4584e-05 deg
tp 2457261.114043024300
(2015-Aug-26.61404302)
8.1442e-05 JED
period 1188.388178501139
3.25
5.7258e-06
1.568e-08
d
yr
n .3029313203485849 1.4596e-09 deg/d
Q 2.478909410656058 7.9625e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      30546 days (83.63 yr)  
   first obs. used      1930-12-20  
   last obs. used      2014-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44847  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 13:56:31  

Additional Information
 Earth MOID = .938437 AU 
 T_jup = 3.651 
[ 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. 2014-Mar-01) 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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