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1391 Carelia (1936 DA)
Classification: Main-belt Asteroid          SPK-ID: 2001391
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646914269816807 2.7789e-08  
a 2.548301529674348 8.0933e-09 au
q 2.128618114372681 7.084e-08 au
i 7.596007785974231 2.8703e-07 deg
node 103.3318313639169 6.5472e-06 deg
peri 85.81371293970683 1.1812e-05 deg
M 276.6524406600815 1.3763e-05 deg
tp 2459544.505222167060
(2021-Nov-26.00522217)
5.7707e-05 TDB
period 1485.848907405604
4.07
7.0785e-06
1.938e-08
d
yr
n .2422857386142884 1.1542e-09 deg/d
Q 2.967984944976016 9.4263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2363  
   data-arc span      31085 days (85.11 yr)  
   first obs. used      1936-02-14  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:26:46  

Additional Information
 Earth MOID = 1.14506 au 
 Jupiter MOID = 2.02993 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456726.5 (2014-Mar-10.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642879251084337 2.7846e-08  
q 2.129561276836468 7.0921e-08 au
tp 2456574.008929712590
(2013-Oct-08.50892971)
5.1186e-05 TDB
node 103.3724271397369 6.551e-06 deg
peri 85.98308125749307 1.1822e-05 deg
i 7.593884912642622 2.8699e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2363  
   data-arc span      31085 days (85.11 yr)  
   first obs. used      1936-02-14  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:26:46  

Additional Information
 Jupiter MOID = 2.02993 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.753987879897657E-16 -1.965850620283009E-15 -3.695840773291641E-13 5.252211598684453E-15 -7.708353358172108E-14 2.144719186876559E-15
q -1.965850620283009E-15 5.029742084342925E-15 1.061558699158008E-12 -1.318246461892475E-14 2.213336596393726E-13 -5.431947449453838E-15
tp -3.695840773291641E-13 1.061558699158008E-12 2.619998099178197E-9 -1.71379194266849E-11 4.976996827886456E-10 -1.251300196026758E-12
node 5.252211598684453E-15 -1.318246461892475E-14 -1.71379194266849E-11 4.291546557111979E-11 -4.694344075441756E-11 4.72367717463081E-13
peri -7.708353358172108E-14 2.213336596393726E-13 4.976996827886456E-10 -4.694344075441756E-11 1.3975995120398E-10 -7.031931111671698E-13
i 2.144719186876559E-15 -5.431947449453838E-15 -1.251300196026758E-12 4.72367717463081E-13 -7.031931111671698E-13 8.236150845727016E-14

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.90   n/a E2021B10  
diameter diameter 11.079 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.87822 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.214   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.897   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=6.85, mean=12.94, max.=18.69) deg.
U-B UB 0.433   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.85, mean=12.60, max.=18.35) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1391 Carelia (1936 DA)          Discovered 1936-Feb-16 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1936 DA = 1949 MR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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