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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552750033995841 3.2644e-08  
a 3.120085149513578 1.4225e-08 au
q 2.635613917315866 1.0197e-07 au
i 1.492140691075343 3.6313e-06 deg
node 44.49136643086126 0.00014182 deg
peri 265.6288896761174 0.0001423 deg
M 191.3148063898 1.34e-05 deg
tp 2459943.740760261985
(2022-Dec-30.24076026)
7.6974e-05 TDB
period 2013.0200311415
5.51
1.3766e-05
3.769e-08
d
yr
n .1788357763116043 1.223e-09 deg/d
Q 3.604556381711292 1.6433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3173  
   data-arc span      25146 days (68.85 yr)  
   first obs. used      1951-07-30  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:49:07  

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

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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 ]
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