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1166 Sakuntala (1930 MA)
Classification: Main-belt Asteroid          SPK-ID: 2001166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090527867522713 5.47e-08  
a 2.534757271927149 7.7192e-09 au
q 2.004859200490194 1.409e-07 au
i 18.92828164937198 5.7864e-06 deg
node 106.6757035453043 1.1472e-05 deg
peri 189.7313194666943 1.4673e-05 deg
M 61.76040766568458 1.0287e-05 deg
tp 2458747.622233731813
(2019-Sep-21.12223373)
4.1567e-05 TDB
period 1474.018700610502
4.04
6.7333e-06
1.843e-08
d
yr
n .2442302800167304 1.1156e-09 deg/d
Q 3.064655343364104 9.3329e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2268  
   data-arc span      32665 days (89.43 yr)  
   first obs. used      1930-06-29  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Earth MOID = .99061 au 
 Jupiter MOID = 2.15274 au 
 T_jup = 3.344 
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Orbital Elements at Epoch 2456221.5 (2012-Oct-21.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065253500364576 5.419e-08  
q 2.01427217061554 1.3911e-07 au
tp 2455796.593969098479
(2011-Aug-23.09396910)
3.8598e-05 TDB
node 106.7312595045915 1.1495e-05 deg
peri 189.6444818301677 1.4839e-05 deg
i 18.89513107163177 5.7789e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2268  
   data-arc span      32665 days (89.43 yr)  
   first obs. used      1930-06-29  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Jupiter MOID = 2.15274 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.936576813282925E-15 -7.531731782376285E-15 -7.593059790717224E-13 -1.507743739400047E-14 -1.436035198881426E-13 -2.481074814722139E-15
q -7.531731782376285E-15 1.935110704970608E-14 1.954580119755107E-12 3.914779238515776E-14 3.716651783773266E-13 5.463244657272384E-15
tp -7.593059790717224E-13 1.954580119755107E-12 1.489840140333421E-9 3.818216179851206E-12 3.706451954886632E-10 3.426684382144265E-12
node -1.507743739400047E-14 3.914779238515776E-14 3.818216179851206E-12 1.321329304356977E-10 -1.237098262018633E-10 -8.727287322564516E-12
peri -1.436035198881426E-13 3.716651783773266E-13 3.706451954886632E-10 -1.237098262018633E-10 2.201967987285114E-10 8.931872005252597E-12
i -2.481074814722139E-15 5.463244657272384E-15 3.426684382144265E-12 -8.727287322564516E-12 8.931872005252597E-12 3.339606718046791E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.4   n/a MPO502164  
diameter diameter 26.011 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.29 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Malcolm, G. (2001) Minor Planet Bull. 28, 64.]
[Brincat, S.M. (2016) Minor Planet Bull. 43, 200-201.]
[Garceran, A.C.; Aznar, A.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 92-97.]
geometric albedo albedo 0.286   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1166 Sakuntala (1930 MA)          Discovered 1930-Jun-27 by Parchomenko, P. at Simeis
Independent discovery June 29 by K. Reinmuth, Heidelberg, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1930 MA = 1962 KA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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