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1263 Varsavia (1933 FF)
Classification: Main-belt Asteroid          SPK-ID: 2001263
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886102764306034 3.3313e-08  
a 2.664804856732621 8.8143e-09 au
q 2.162195276070667 8.7728e-08 au
i 29.27200288917921 4.8145e-06 deg
node 158.4708429204738 8.1861e-06 deg
peri 287.2888802686837 1.5425e-05 deg
M 80.44625490094613 1.3225e-05 deg
tp 2458645.441532985249
(2019-Jun-10.94153299)
5.806e-05 TDB
period 1588.899921850895
4.35
7.8833e-06
2.158e-08
d
yr
n .2265718532987523 1.1241e-09 deg/d
Q 3.167414437394576 1.0477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2633  
   data-arc span      31905 days (87.35 yr)  
   first obs. used      1933-03-23  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:31:05  

Additional Information
 Earth MOID = 1.31995 au 
 Jupiter MOID = 2.23471 au 
 T_jup = 3.179 
[ 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 10.2   n/a MPO267712  
diameter diameter 49.29 km 1.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
rotation period rot_per 7.1639 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Warner, B.D. (2004) Minor Planet Bull. 31, 24-25.]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Oey, J. (2011) http://minorplanet.haoeydental.com.au]
[Warner, B.D.; Stephens, R.D. (2011) Minor Planet Bull. 38, 110-111.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Mansego, E.A.; Rodriguez, P.B.; de Haro, J.L.; Chiner, O.R.; et al. (2016) Minor Planet Bull. 43, 332-336.]
geometric albedo albedo 0.0459   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
B-V BV 0.727   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=18.20, mean=20.01, max.=21.83) deg.
U-B UB 0.321   0.079 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=21.83 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Xc   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)

1263 Varsavia (1933 FF)          Discovered 1933-Mar-23 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 FF = 1948 PB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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