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1305 Pongola (1928 OC)
Classification: Main-belt Asteroid          SPK-ID: 2001305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07242903187836941 2.1789e-08  
a 3.012979933638757 1.0548e-08 au
q 2.794752713976349 6.8121e-08 au
i 2.316855811200288 2.6989e-07 deg
node 62.94574971808142 7.7934e-06 deg
peri 147.4226178457613 1.5001e-05 deg
M 351.7695169296305 1.0122e-05 deg
tp 2459440.173259983916
(2021-Aug-13.67325998)
5.3668e-05 TDB
period 1910.261337006044
5.23
1.0032e-05
2.747e-08
d
yr
n .1884558897916181 9.8967e-10 deg/d
Q 3.231207153301166 1.1312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3707  
   data-arc span      34460 days (94.35 yr)  
   first obs. used      1927-03-29  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:32:17  

Additional Information
 Earth MOID = 1.78997 au 
 Jupiter MOID = 1.72701 au 
 T_jup = 3.244 
[ 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 10.66   n/a MPCxxxxx  
diameter diameter 24.110 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.335 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ditteon, R.; Horn, L.; Kamperman, A.; Vorjohan, B.; Kirkpatrick, E. (2012) Minor Planet Bull. 39, 26-28.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Mansego, E.A.; Rodriguez, P.B.; de Haro, J.L.; Chiner, O.R.; et al. (2016) Minor Planet Bull. 43, 332-336.]
[Sada, P.V.; Olguin, L.; Saucedo, J.C.; Loera-Gonzalez, P.; et al. (2017) Minor Planet Bull. 44, 239-242.]
geometric albedo albedo 0.169   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.700   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.50 deg.

1305 Pongola (1928 OC)          Discovered 1928-Jul-19 by Wood, H. E. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1928 OC = 1927 FD = 1929 SQ = 1932 FA = 1933 MB = 1979 NE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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