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1048 Feodosia (A924 WQ)
Classification: Main-belt Asteroid          SPK-ID: 2001048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 108 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802748932986343 2.0658e-08  
a 2.732645466257757 9.5015e-09 au
q 2.240018096405143 6.0278e-08 au
i 15.8053210352733 5.2063e-07 deg
node 52.75247376734229 2.1547e-06 deg
peri 183.5360188067129 7.3997e-06 deg
M 297.710753845556 1.0816e-05 deg
tp 2459485.985421703505
(2021-Sep-28.48542170)
5.0359e-05 TDB
period 1649.959794961003
4.52
8.6054e-06
2.356e-08
d
yr
n .2181871346801567 1.138e-09 deg/d
Q 3.22527283611037 1.1214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2896  
   data-arc span      35179 days (96.31 yr)  
   first obs. used      1924-11-29  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:07:22  

Additional Information
 Earth MOID = 1.22751 au 
 Jupiter MOID = 1.77764 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456422.5 (2013-May-10.0) TDB
Reference: JPL 108 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812880020381629 2.0514e-08  
q 2.236811763344251 5.9864e-08 au
tp 2456187.975300573013
(2012-Sep-17.47530057)
4.3667e-05 TDB
node 52.8189467405271 2.156e-06 deg
peri 183.7065338405542 7.4159e-06 deg
i 15.8043187518627 5.206e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2896  
   data-arc span      35179 days (96.31 yr)  
   first obs. used      1924-11-29  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:07:22  

Additional Information
 Jupiter MOID = 1.77764 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.208267331643097E-16 -1.219759945306384E-15 -6.713620255234046E-13 -4.329000611460458E-15 -1.011684226981217E-13 -1.485919641870694E-15
q -1.219759945306384E-15 3.583662596474386E-15 1.911742243885964E-12 1.218900483099718E-14 2.930662587683366E-13 4.32807752167135E-15
tp -6.713620255234046E-13 1.911742243885964E-12 1.90684250126269E-9 3.822135163926678E-12 3.070925897544054E-10 2.827544133487877E-12
node -4.329000611460458E-15 1.218900483099718E-14 3.822135163926678E-12 4.648282858792445E-12 -3.884327619699351E-12 5.579267043753813E-13
peri -1.011684226981217E-13 2.930662587683366E-13 3.070925897544054E-10 -3.884327619699351E-12 5.499536598086378E-11 -6.685017738645758E-14
i -1.485919641870694E-15 4.32807752167135E-15 2.827544133487877E-12 5.579267043753813E-13 -6.685017738645758E-14 2.710236091302961E-13

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 9.74   n/a MPCxxxxx IRAS observations used: 9
diameter diameter 62.218 km 1.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.46 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Schober, H.J.; Erikson, A.; Hahn, G.; Lagerkvist, C.-I.; et al. (1994) Astron. Astrophys. Suppl. Ser. 105, 281-300.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Polakis, T. (2020) Minor Planet Bull. 47, 177-186.]
geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.709   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=10.90, mean=14.54, max.=21.05) deg.
U-B UB 0.309   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=10.90, mean=11.29, max.=11.68) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1048 Feodosia (A924 WQ)          Discovered 1924-Nov-29 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A924 WQ = 1942 XP = 1942 XZ = 1959 SK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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