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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 | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648311291066486 3.919e-08  
a 2.547784035328979 9.0258e-09 au
q 2.12782991606581 9.8353e-08 au
i 7.596225272684629 4.0546e-06 deg
node 103.3306384019027 3.2601e-05 deg
peri 85.87526086577506 3.5861e-05 deg
M 228.1323606828086 1.7847e-05 deg
tp 2459544.599185257566
7.4931e-05 TDB
period 1485.396323972773
n .2423595603341473 1.2879e-09 deg/d
Q 2.967738154592149 1.0514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1991  
   data-arc span      30670 days (83.97 yr)  
   first obs. used      1936-02-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:53:49  

Additional Information
 Earth MOID = 1.14486 au 
 Jupiter MOID = 2.03122 au 
 T_jup = 3.411 
[ 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 11.8   n/a MPO502166  
diameter diameter 11.079 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 5.87822 h n/a LCDB (Rev. 2019-August); 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] (  
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

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