Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
1717 Arlon (1954 AC)
Classification: Main-belt Asteroid          SPK-ID: 2001717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 67 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288576593223046 2.9931e-08  
a 2.196345258724262 4.949e-09 au
q 1.913329349621412 6.5399e-08 au
i 6.187451971030891 4.5603e-06 deg
node 340.4571146734201 2.6438e-05 deg
peri 115.9518026597452 3.1441e-05 deg
M 167.0358183912476 1.6752e-05 deg
tp 2458448.859108447662
(2018-Nov-26.35910845)
5.5001e-05 TDB
period 1188.910994489117
3.26
4.0184e-06
1.1e-08
d
yr
n .3027981082424882 1.0234e-09 deg/d
Q 2.479361167827112 5.5867e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2923  
   data-arc span      32737 days (89.63 yr)  
   first obs. used      1930-12-20  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:39:55  

Additional Information
 Earth MOID = .939473 au 
 Jupiter MOID = 2.66056 au 
 T_jup = 3.650 
[ 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 12.2   n/a MPO431513  
diameter diameter 8.484 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.1484 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[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. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Brinsfield, J.W. (2009) Minor Planet Bull. 36, 64-66.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
[Franco, L.; Marchini, A.; Battista Casalnuovo, G.; Chinaglia, B.; et al. (2019) Minor Planet Bull. 46, 350-352.]
geometric albedo albedo 0.287   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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
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 | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 02:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin