Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06185758882909412 3.7143e-08  
a 2.685492362842617 9.1778e-09 au
q 2.519374280458226 1.0148e-07 au
i 5.977429565119404 3.8075e-06 deg
node 160.5742562744879 2.8582e-05 deg
peri 206.4091869972178 3.7042e-05 deg
M 323.5079141867341 2.271e-05 deg
tp 2459163.441044533026
(2020-Nov-09.94104453)
0.00010132 TDB
period 1607.438290374872
4.40
8.2403e-06
2.256e-08
d
yr
n .2239588307405843 1.1481e-09 deg/d
Q 2.851610445227009 9.7456e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2351  
   data-arc span      16125 days (44.15 yr)  
   first obs. used      1976-09-23  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:28:47  

Additional Information
 Earth MOID = 1.51847 au 
 Jupiter MOID = 2.43735 au 
 T_jup = 3.364 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-17 07:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin