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3115 Baily (1981 PL)
Classification: Main-belt Asteroid          SPK-ID: 2003115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426712273822163 4.0624e-08  
a 2.579347930413454 1.1238e-08 au
q 2.211349195335587 1.0654e-07 au
i 10.18229532283336 4.5705e-06 deg
node 258.604229912214 2.5823e-05 deg
peri 172.2239205956289 3.0455e-05 deg
M 302.1571603004764 1.6665e-05 deg
tp 2458843.614255059570
(2019-Dec-26.11425506)
7.043e-05 TDB
period 1513.084977779297
4.14
9.8883e-06
2.707e-08
d
yr
n .2379245087267734 1.5549e-09 deg/d
Q 2.947346665491321 1.2841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2365  
   data-arc span      23597 days (64.61 yr)  
   first obs. used      1955-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:23:01  

Additional Information
 Earth MOID = 1.22629 au 
 Jupiter MOID = 2.33015 au 
 T_jup = 3.389 
[ 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 11.1   n/a MPO358658  
diameter diameter 17.044 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.012 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2007) Minor Planet Bull. 34, 8-10.]
[Aznar Macias, A.; Carreno Garcerain, A.; Arce Masego, E.; Brines Rodriques, P.; et al. (2016) Minor Planet Bull. 43, 257-263.]
geometric albedo albedo 0.167   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3115 Baily (1981 PL)          Discovered 1981-Aug-03 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 PL = 1954 AF = 1961 XT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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