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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09042691282033764 2.0459e-08  
a 2.220942716683574 4.302e-09 au
q 2.020109723263064 4.6156e-08 au
i 3.645589402130292 5.7491e-07 deg
node 254.9997756432852 2.4229e-05 deg
peri 219.2566260544735 1.7284e-05 deg
M 292.2173433054932 9.4316e-06 deg
tp 2459428.125309149837
(2021-Aug-01.62530915)
3.1826e-05 TDB
period 1208.93920790482
3.31
3.5126e-06
9.617e-09
d
yr
n .297781722725253 8.6522e-10 deg/d
Q 2.421775710104083 4.6911e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3245  
   data-arc span      38339 days (104.97 yr)  
   first obs. used      1916-04-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:55:23  

Additional Information
 Earth MOID = 1.03804 au 
 Jupiter MOID = 2.65025 au 
 T_jup = 3.642 
[ 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 11.23   n/a E2021B10  
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. 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:
[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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