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1291 Phryne (1933 RA)
Classification: Main-belt Asteroid          SPK-ID: 2001291
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09517961997061214 4.1478e-08  
a 3.011650139616831 1.3358e-08 au
q 2.725002423843661 1.2345e-07 au
i 9.106733606252863 4.613e-06 deg
node 215.3601325067654 2.5566e-05 deg
peri 118.7430200471822 3.4466e-05 deg
M 217.7279583362253 2.4934e-05 deg
tp 2459754.935764678653
(2022-Jun-24.43576468)
0.00013408 TDB
period 1908.996821217819
5.23
1.2701e-05
3.477e-08
d
yr
n .1885807226071455 1.2547e-09 deg/d
Q 3.298297855390002 1.4629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2867  
   data-arc span      41030 days (112.33 yr)  
   first obs. used      1907-10-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42978  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:50:40  

Additional Information
 Earth MOID = 1.7307 au 
 Jupiter MOID = 2.06739 au 
 T_jup = 3.223 
[ 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 10.4   n/a MPO435708  
diameter diameter 27.418 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.58410 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.127   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.835   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.77, mean=7.08, max.=7.39) deg.
U-B UB 0.395   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.77, mean=7.08, max.=7.39) deg.

1291 Phryne (1933 RA)          Discovered 1933-Sep-15 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1933 RA = 1931 DX = 1932 KJ = 1953 JS = A907 TA = A922 NA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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