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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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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06994133180040539 3.4901e-08  
a 3.157497112655708 1.3628e-08 au
q 2.936657559440633 1.121e-07 au
i 3.212932213286389 3.9212e-06 deg
node 358.4008539110641 5.7641e-05 deg
peri 341.5737433241388 6.2787e-05 deg
M 212.1808546135593 2.6611e-05 deg
tp 2459841.974687265792
(2022-Sep-19.47468727)
0.00015365 TDB
period 2049.334588044999
5.61
1.3268e-05
3.633e-08
d
yr
n .1756667759867503 1.1373e-09 deg/d
Q 3.378336665870783 1.4581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3381  
   data-arc span      33026 days (90.42 yr)  
   first obs. used      1930-02-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4325  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:44  

Additional Information
 Earth MOID = 1.92813 au 
 Jupiter MOID = 1.93339 au 
 T_jup = 3.200 
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Orbital Elements at Epoch 2456621.5 (2013-Nov-25.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06772593787958353 3.4874e-08  
q 2.946102369924611 1.1189e-07 au
tp 2455746.015320627322
(2011-Jul-03.51532063)
0.00014978 TDB
node 358.4476877989732 5.767e-05 deg
peri 342.4486037314203 6.3139e-05 deg
i 3.211517177081627 3.9186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3381  
   data-arc span      33026 days (90.42 yr)  
   first obs. used      1930-02-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4325  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:44  

Additional Information
 Jupiter MOID = 1.93339 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.216208896978045E-15 -3.877527938359706E-15 3.811545274498995E-13 2.402525782349082E-15 4.399108028397521E-14 -1.654628253842658E-16
q -3.877527938359706E-15 1.251950498692462E-14 -7.786679104718516E-13 -6.949517827035652E-15 -5.764966129820472E-14 8.501859958167886E-16
tp 3.811545274498995E-13 -7.786679104718516E-13 2.243349910204187E-8 1.206883007447518E-12 3.862326776581208E-9 -1.31036835986332E-12
node 2.402525782349082E-15 -6.949517827035652E-15 1.206883007447518E-12 3.32586076319176E-9 -3.319910514531855E-9 -1.933193857422766E-11
peri 4.399108028397521E-14 -5.764966129820472E-14 3.862326776581208E-9 -3.319910514531855E-9 3.98652459889431E-9 1.915317320437371E-11
i -1.654628253842658E-16 8.501859958167886E-16 -1.31036835986332E-12 -1.933193857422766E-11 1.915317320437371E-11 1.535573322462943E-11

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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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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