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2811 Stremchovi (1980 JA)
Classification: Main-belt Asteroid          SPK-ID: 2002811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03353529895135037 1.5867e-08  
a 2.865770048347063 1.081e-08 au
q 2.769665593049918 4.92e-08 au
i 1.030639133861902 8.7197e-07 deg
node 331.681573886243 1.7934e-05 deg
peri 112.5706955600822 4.2195e-05 deg
M 256.2505110798296 3.3964e-05 deg
tp 2459711.174181048447
(2022-May-11.67418105)
0.00016786 TDB
period 1771.986610159572
4.85
1.0026e-05
2.745e-08
d
yr
n .2031618060407246 1.1495e-09 deg/d
Q 2.961874503644208 1.1172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3014  
   data-arc span      25920 days (70.97 yr)  
   first obs. used      1950-01-19  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:19:02  

Additional Information
 Earth MOID = 1.78551 au 
 Jupiter MOID = 2.10373 au 
 T_jup = 3.299 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.87   n/a E2021B10  
diameter diameter 12.320 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.249 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Benishek, V. (2018) Minor Planet Bull. 45, 386-389.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.202   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2811 Stremchovi (1980 JA)          Discovered 1980-May-10 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 JA = 1950 BC = 1953 TB3 = 1955 CB = 1956 KA = 1958 VX = 1972 TH5 = 1977 RH5 = 1982 US 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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