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1224 Fantasia (1927 SD)
Classification: Main-belt Asteroid          SPK-ID: 2001224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993182705619888 3.4565e-09  
a 2.303358928431467 5.5445e-09 au
q 1.844257410332991 5.9047e-09 au
i 7.889414650807406 4.3521e-07 deg
node 258.0751504123127 2.2119e-06 deg
peri 129.43223143 3.806e-06 deg
M 217.166782726676 3.8823e-06 deg
tp 2459707.102784640809
(2022-May-07.60278464)
1.4865e-05 TDB
period 1276.8528634463
3.50
4.6103e-06
1.262e-08
d
yr
n .2819432139019832 1.018e-09 deg/d
Q 2.762460446529943 6.6496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2877  
   data-arc span      8844 days (24.21 yr)  
   first obs. used      1996-05-21  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38398  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Feb-16 16:56:36  

Additional Information
 Earth MOID = .860287 au 
 Jupiter MOID = 2.71098 au 
 T_jup = 3.551 
[ 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 11.57   n/a E2021B10 IRAS observations used: 15
diameter diameter 13.816 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.995 h n/a LCDB (Rev. 2020-October); 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. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Alton, K.B. (2019) Minor Planet Bull. 46, 114-117.]
geometric albedo albedo 0.264   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.929   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=17.08 deg.
U-B UB 0.441   0.049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=17.08 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1224 Fantasia (1927 SD)          Discovered 1927-Aug-29 by Belyavskij, S. and Ivanov, N. at Simeis
Independent discovery Sept. 17 by E. Delporte, Uccle, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1927 SD = 1934 TO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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