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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992287422479773 4.4509e-08  
a 2.303502181553603 5.4807e-09 au
q 1.844578339157207 1.0268e-07 au
i 7.889230262992967 3.4754e-06 deg
node 258.0771105954802 3.3282e-05 deg
peri 129.4547558893597 3.4251e-05 deg
M 160.7440482317384 9.2598e-06 deg
tp 2458430.317650137880
(2018-Nov-07.81765014)
3.2249e-05 TDB
period 1276.971982529889
3.50
4.5574e-06
1.248e-08
d
yr
n .281916913546358 1.0061e-09 deg/d
Q 2.762426023949999 6.5726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2829  
   data-arc span      31353 days (85.84 yr)  
   first obs. used      1934-10-05  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:21:13  

Additional Information
 Earth MOID = .861732 au 
 Jupiter MOID = 2.70982 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 11.5   n/a MPO502165 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. 2019-August); 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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