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1047 Geisha (A924 WM)
Classification: Main-belt Asteroid          SPK-ID: 2001047
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928711240866007 7.3258e-09  
a 2.241347624650202 4.1383e-09 au
q 1.809056388815086 1.6138e-08 au
i 5.665466965133217 6.9531e-07 deg
node 78.21388146307072 6.3426e-06 deg
peri 300.1682957240794 8.0923e-06 deg
M 307.4031835254036 5.7061e-06 deg
tp 2459575.568507283946
(2021-Dec-27.06850728)
1.9653e-05 TDB
period 1225.638107837876
3.36
3.3944e-06
9.293e-09
d
yr
n .2937245486231405 8.1347e-10 deg/d
Q 2.673638860485319 4.9364e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3303  
   data-arc span      35284 days (96.60 yr)  
   first obs. used      1924-11-17  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:53:39  

Additional Information
 Earth MOID = .81876 au 
 Jupiter MOID = 2.79746 au 
 T_jup = 3.603 
[ 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 12.00   n/a MPO614063  
diameter diameter 10.729 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 25.62 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.277   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.913   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.88 deg.
U-B UB 0.541   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.88 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1047 Geisha (A924 WM)          Discovered 1924-Nov-17 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A924 WM = 1932 BP = 1941 YG = 1947 NC = 1950 JF = 1974 HU2 = A916 HB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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