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JPL Small-Body Database Browser
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823 Sisigambis (A916 GK)
Classification: Main-belt Asteroid          SPK-ID: 2000823
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08968360418477213 3.6261e-08  
a 2.221918501252621 5.4347e-09 au
q 2.022648841855459 8.0641e-08 au
i 3.64611216629402 4.0926e-06 deg
node 255.0129428223516 5.761e-05 deg
peri 218.8381179751633 6.138e-05 deg
M 114.0677301407709 2.0931e-05 deg
tp 2458217.189325759173
(2018-Apr-08.68932576)
7.0249e-05 TDB
period 1209.736027502273
3.31
4.4384e-06
1.215e-08
d
yr
n .2975855821565366 1.0918e-09 deg/d
Q 2.421188160649784 5.9221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2450  
   data-arc span      37761 days (103.38 yr)  
   first obs. used      1916-04-01  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:12:29  

Additional Information
 Earth MOID = 1.04094 au 
 Jupiter MOID = 2.65357 au 
 T_jup = 3.641 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2   n/a MPO337249  
diameter diameter 14.719 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 146. h n/a LCDB (Rev. 2019-January); 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:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.298   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

823 Sisigambis (A916 GK)          Discovered 1916-Mar-31 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A916 GK = 1937 QE = 1939 FA1 = 1969 FN = 2005 AR82 = A913 JB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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