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1687 Glarona (1965 SC)
Classification: Main-belt Asteroid          SPK-ID: 2001687
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693623663615911 3.3964e-08  
a 3.167897215679761 1.3944e-08 au
q 2.631374646841941 1.0673e-07 au
i 2.630758100972276 3.5323e-06 deg
node 93.49616127175422 8.3595e-05 deg
peri 316.6797654638006 8.4215e-05 deg
M 307.0428411041357 1.1802e-05 deg
tp 2459699.454373867218
(2022-Apr-29.95437387)
6.8551e-05 TDB
period 2059.468008974247
5.64
1.3597e-05
3.723e-08
d
yr
n .1748024239421442 1.1541e-09 deg/d
Q 3.704419784517581 1.6305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3237  
   data-arc span      40838 days (111.81 yr)  
   first obs. used      1909-10-17  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44629  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:57:41  

Additional Information
 Earth MOID = 1.64227 au 
 Jupiter MOID = 1.67686 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456374.5 (2013-Mar-23.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777645921322277 3.4092e-08  
q 2.595936218076363 1.0849e-07 au
tp 2455592.575735700545
(2011-Jan-31.07573570)
5.619e-05 TDB
node 93.57647441718592 8.3382e-05 deg
peri 316.5910109059419 8.3929e-05 deg
i 2.637023359037978 3.5475e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3237  
   data-arc span      40838 days (111.81 yr)  
   first obs. used      1909-10-17  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44629  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:57:41  

Additional Information
 Jupiter MOID = 1.67686 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.162232156746383E-15 -3.681845665483176E-15 -1.707510831038019E-13 -1.608930634990905E-15 -3.586706788355786E-14 7.057447495191126E-17
q -3.681845665483176E-15 1.176943563025665E-14 6.31155701090243E-13 6.055548902772536E-15 1.337798580566808E-13 -1.90959690511719E-16
tp -1.707510831038019E-13 6.31155701090243E-13 3.15729990188896E-9 -5.777473536145673E-12 5.614679803145665E-10 -8.525721618687224E-14
node -1.608930634990905E-15 6.055548902772536E-15 -5.777473536145673E-12 6.95251801705894E-9 -6.945752080519948E-9 -3.197519419795787E-11
peri -3.586706788355786E-14 1.337798580566808E-13 5.614679803145665E-10 -6.945752080519948E-9 7.044157945778085E-9 3.192849073431022E-11
i 7.057447495191126E-17 -1.90959690511719E-16 -8.525721618687224E-14 -3.197519419795787E-11 3.192849073431022E-11 1.258494890605025E-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 10.71   n/a E2021B10 IRAS observations used: 6
diameter diameter 37.850 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.498 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Tedesco, E.F. (1979) PhD Dissertation, New. Mex. State Univ. 280pp.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.141   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.670   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.17 deg.
U-B UB 0.380   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.17 deg.

1687 Glarona (1965 SC)          Discovered 1965-Sep-19 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1965 SC = 1926 UA = 1931 RB1 = 1942 PD = 1945 EA = 1948 QN = 1948 RD1 = 1954 TB = 1954 UB2 = 1959 PG = 1960 XD = 1965 UX = A909 UA = A915 XC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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