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 ]  
2718 Handley (1951 OM)
Classification: Main-belt Asteroid          SPK-ID: 2002718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552750033855272 3.2628e-08  
a 3.120085149568695 1.4212e-08 au
q 2.635613917406283 1.0194e-07 au
i 1.492140647607925 3.6273e-06 deg
node 44.49136579778044 0.0001418 deg
peri 265.6288903135778 0.00014227 deg
M 191.3148063790554 1.3399e-05 deg
tp 2459943.740760347060
(2022-Dec-30.24076035)
7.6973e-05 TDB
period 2013.020031194841
5.51
1.3754e-05
3.766e-08
d
yr
n .1788357763068655 1.2219e-09 deg/d
Q 3.604556381731108 1.6418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3186  
   data-arc span      25294 days (69.25 yr)  
   first obs. used      1951-07-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:43  

Additional Information
 Earth MOID = 1.6217 au 
 Jupiter MOID = 1.66253 au 
 T_jup = 3.197 
[ 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 11.9   n/a MPO492782  
diameter diameter 25.309 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.09803 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.058   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2718 Handley (1951 OM)          Discovered 1951-Jul-30 by Johnson, E. L. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1951 OM = 1935 SL = 1972 JT1 = 1974 WB1 = 1979 SF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 18:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin