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JPL Small-Body Database Browser
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6891 Triconia (1976 SA)
Classification: Main-belt Asteroid          SPK-ID: 2006891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06302007871345076 3.782e-08  
a 2.686553113870851 1.1605e-08 au
q 2.517246325166844 1.0272e-07 au
i 5.973271457375293 3.8726e-06 deg
node 160.6727701078831 3.9107e-05 deg
peri 206.0318922641856 5.0514e-05 deg
M 234.3576944111581 3.3765e-05 deg
tp 2459161.838681285975
(2020-Nov-08.33868129)
0.0001524 TDB
period 1608.390775032846
4.40
1.0421e-05
2.853e-08
d
yr
n .2238262029279845 1.4502e-09 deg/d
Q 2.855859902574859 1.2336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1888  
   data-arc span      15705 days (43.00 yr)  
   first obs. used      1976-09-23  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:57:41  

Additional Information
 Earth MOID = 1.51538 au 
 Jupiter MOID = 2.44054 au 
 T_jup = 3.363 
[ show covariance matrix ]

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 13.2   n/a MPO400067  
diameter diameter 8.321 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.161   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6891 Triconia (1976 SA)          Discovered 1976-Sep-23 by Harvard Observatory at Harvard
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 SA = 1981 WC8 = 1983 HH1 = 1989 RK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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