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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929398163646107 3.5153e-08  
a 2.240397125823266 4.701e-09 au
q 1.808135315783124 7.8024e-08 au
i 5.666877327616755 3.447e-06 deg
node 78.21957472146403 3.3477e-05 deg
peri 300.3148975225561 3.4548e-05 deg
M 190.8778114802493 1.0147e-05 deg
tp 2459575.918772641695
(2021-Dec-27.41877264)
3.5385e-05 TDB
period 1224.858547326677
3.35
3.8551e-06
1.055e-08
d
yr
n .2939114894415525 9.2506e-10 deg/d
Q 2.672658935863409 5.608e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2861  
   data-arc span      34862 days (95.45 yr)  
   first obs. used      1924-11-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:17:58  

Additional Information
 Earth MOID = .81862 au 
 Jupiter MOID = 2.79608 au 
 T_jup = 3.604 
[ 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 12.0   n/a MPO502163  
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. 2019-August); 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

[ show close-approach data ]
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 | Close-Approach Data ]
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