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1326 Losaka (1934 NS)
Classification: Main-belt Asteroid          SPK-ID: 2001326
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2254371534668675 1.2855e-08  
a 2.666729510182456 8.2449e-09 au
q 2.065549600340829 3.6521e-08 au
i 15.98370198724869 5.1939e-07 deg
node 101.697191877344 3.6649e-06 deg
peri 278.3713396743693 5.9428e-06 deg
M 297.2907383175565 7.4371e-06 deg
tp 2459673.574184700033
(2022-Apr-04.07418470)
3.3567e-05 TDB
period 1590.621605419695
4.35
7.3767e-06
2.02e-08
d
yr
n .2263266126735478 1.0496e-09 deg/d
Q 3.267909420024083 1.0104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3315  
   data-arc span      31803 days (87.07 yr)  
   first obs. used      1934-07-14  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:33:27  

Additional Information
 Earth MOID = 1.1384 au 
 Jupiter MOID = 2.40428 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457012.5 (2014-Dec-21.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2240898144285523 1.2812e-08  
q 2.070009521178639 3.6361e-08 au
tp 2456495.649383579550
(2013-Jul-22.14938358)
2.8126e-05 TDB
node 101.741077980354 3.6613e-06 deg
peri 278.8198834694314 5.9649e-06 deg
i 15.98693093700674 5.1945e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3315  
   data-arc span      31803 days (87.07 yr)  
   first obs. used      1934-07-14  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:33:27  

Additional Information
 Jupiter MOID = 2.40428 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.641388895017615E-16 -4.588429680821142E-16 5.480645306093439E-15 7.412947499932311E-15 -1.247893042471132E-14 1.293312184860986E-15
q -4.588429680821142E-16 1.322153761989002E-15 1.097308669757721E-14 -2.011568757689906E-14 4.167179508188873E-14 -3.505723024203425E-15
tp 5.480645306093439E-15 1.097308669757721E-14 7.910974388039719E-10 -5.902452945268674E-13 1.324652548803855E-10 -5.698718579833693E-13
node 7.412947499932311E-15 -2.011568757689906E-14 -5.902452945268674E-13 1.340517450644549E-11 -1.303225230306771E-11 1.48769784571749E-12
peri -1.247893042471132E-14 4.167179508188873E-14 1.324652548803855E-10 -1.303225230306771E-11 3.558045485738489E-11 -1.529282802156686E-12
i 1.293312184860986E-15 -3.505723024203425E-15 -5.698718579833693E-13 1.48769784571749E-12 -1.529282802156686E-12 2.698247621194597E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.03   n/a E2021B10 IRAS observations used: 2
diameter diameter 26.336 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.900 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
geometric albedo albedo 0.089   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.785   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=5.72, mean=5.73, max.=5.74) deg.
U-B UB 0.475   0.064 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=5.72, mean=5.73, max.=5.74) deg.
Tholen spectral type spec_T CSU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1326 Losaka (1934 NS)          Discovered 1934-Jul-14 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1934 NS = 1951 LS = 1951 MA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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