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1470 Carla (1938 SD)
Classification: Main-belt Asteroid          SPK-ID: 2001470
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06994133210330671 3.4938e-08  
a 3.15749711268897 1.3641e-08 au
q 2.936657558515159 1.122e-07 au
i 3.212932231073038 3.9236e-06 deg
node 358.400853133702 5.7866e-05 deg
peri 341.5737438423611 6.3003e-05 deg
M 212.1808548192042 2.6627e-05 deg
tp 2459841.974686108436
(2022-Sep-19.47468611)
0.00015373 TDB
period 2049.334588077382
5.61
1.328e-05
3.636e-08
d
yr
n .1756667759839745 1.1384e-09 deg/d
Q 3.378336666862781 1.4595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3339  
   data-arc span      32981 days (90.30 yr)  
   first obs. used      1930-02-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:31:41  

Additional Information
 Earth MOID = 1.92813 au 
 Jupiter MOID = 1.93339 au 
 T_jup = 3.200 
[ 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 11.1   n/a MPO263357  
diameter diameter 36.97 km 1.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 22
rotation period rot_per 6.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2012) Minor Planet Bull. 39, 57-60.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.0515   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 22

1470 Carla (1938 SD)          Discovered 1938-Sep-17 by Bohrmann, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Dec-16 10:51 00:02 Jupiter 1.91438970681981 1.91438939226727 1.91439002137247 3.38556771790517 3.25225582437259 2417195.952378957 2.24279069747569 46.1715333158576 10.6939714788255 -84.8750985419047 4115186.86190359 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
1916-Aug-01 03:00 00:02 Jupiter 1.95856600670143 1.95856557911426 1.95856643428915 3.96658590629717 3.85601637003044 2421076.624766160 1.98741971742509 82.785748917437 12.9602591067022 -82.1003183681332 4614059.40542449 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
2002-Jan-27 03:21 < 00:01 Jupiter 1.93522618398003 1.93522588616433 1.93522648179561 3.18763438933611 3.04723478825253 2452301.639532372 0.281585735249604 34.3948493914473 10.1161257679671 -83.2913145348461 4841311.23288743 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
2012-Sep-13 18:08 < 00:01 Jupiter 1.92149674825764 1.92149643993249 1.92149705658279 3.4374755459736 3.30675222645192 2456184.255750631 0.16082815191934 33.4159175536807 10.8526080436609 -80.7310886436423 4925121.14836643 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
2023-May-01 13:03 < 00:01 Jupiter 1.96981743484112 1.96981710334194 1.9698177663403 4.0275761332675 3.91935817128615 2460066.043706258 0.276452384302094 32.7968631856925 13.4449472304421 -82.2648548525502 4801183.61913724 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
2108-Oct-27 17:55 00:02 Jupiter 1.93866484177901 1.93866449998379 1.93866518357412 3.21966115378924 3.08097346156785 2491291.246252714 1.9710465893449 34.4358360413283 13.3909609785231 -85.6725304683551 4926682.04872338 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
2119-Jun-15 05:58 00:02 Jupiter 1.93213882569471 1.93213852347518 1.93213912791423 3.49715549309341 3.36946948964626 2495173.748632143 2.23766857517644 49.5749430832995 12.212832031574 -88.5279996140441 4935241.30557384 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31
2130-Jan-31 09:02 00:02 Jupiter 1.978807064149 1.97880666091637 1.97880746738229 4.08175811265929 3.9755069111865 2499056.876453406 2.43685436383746 102.224916965037 13.6819846197139 -84.6411623600388 4761975.12509434 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:31:53 2020-Jun-23 15:31

Alternate Designations
 1938 SD = 1930 DE = 1955 UN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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