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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803760936677517 4.5497e-08  
a 2.732895113052743 1.1521e-08 au
q 2.2399461681566 1.2466e-07 au
i 15.80582621141993 5.2668e-06 deg
node 52.76063133912571 1.4998e-05 deg
peri 183.5012433985975 1.9644e-05 deg
M 254.116479420273 1.6202e-05 deg
tp 2459485.854147469695
(2021-Sep-28.35414747)
7.6e-05 TDB
period 1650.185903646129
4.52
1.0435e-05
2.857e-08
d
yr
n .2181572386508517 1.3795e-09 deg/d
Q 3.225844057948885 1.3599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2419  
   data-arc span      34763 days (95.18 yr)  
   first obs. used      1924-11-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:44:08  

Additional Information
 Earth MOID = 1.22877 au 
 Jupiter MOID = 1.77815 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455841.5 (2011-Oct-07.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812039391370445 4.5317e-08  
q 2.236559559295299 1.2419e-07 au
tp 2456188.434039602562
(2012-Sep-17.93403960)
6.6187e-05 TDB
node 52.82217395599431 1.5007e-05 deg
peri 183.8523798249093 1.9655e-05 deg
i 15.80495769821191 5.2661e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2419  
   data-arc span      34763 days (95.18 yr)  
   first obs. used      1924-11-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:44:08  

Additional Information
 Jupiter MOID = 1.77815 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.053660533538651E-15 -5.612088474210768E-15 -2.672697848804446E-13 9.792742622230168E-16 -3.493773024804959E-14 1.469420671861487E-15
q -5.612088474210768E-15 1.542333105152536E-14 9.347526376932965E-13 -2.844451981791224E-15 1.291420240492593E-13 -2.794549895899842E-15
tp -2.672697848804446E-13 9.347526376932965E-13 4.380736729481869E-9 -8.53860145945612E-12 8.557618589111594E-10 6.074686933905505E-12
node 9.792742622230168E-16 -2.844451981791224E-15 -8.53860145945612E-12 2.25209707392897E-10 -2.178239946547244E-10 6.412082330043312E-13
peri -3.493773024804959E-14 1.291420240492593E-13 8.557618589111594E-10 -2.178239946547244E-10 3.86328400782354E-10 5.775503242928332E-13
i 1.469420671861487E-15 -2.794549895899842E-15 6.074686933905505E-12 6.412082330043312E-13 5.775503242928332E-13 2.773232992859157E-11

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 9.7   n/a MPO502163 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. 2019-August); 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.]
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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