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31139 Garnavich (1997 SJ34)
Classification: Main-belt Asteroid          SPK-ID: 2031139
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483769575572958 3.3485e-08  
a 2.416351475481628 8.0387e-09 au
q 2.057820595160581 8.1838e-08 au
i 1.36889115584624 3.6522e-06 deg
node 7.983197193964937 0.0001667 deg
peri 124.0152007367107 0.00016727 deg
M 335.1193136377331 1.3207e-05 deg
tp 2459295.319670420063
(2021-Mar-21.81967042)
5.0431e-05 TDB
period 1371.950952405819
3.76
6.8463e-06
1.874e-08
d
yr
n .2624000510868942 1.3094e-09 deg/d
Q 2.774882355802674 9.2315e-09 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      14970 days (40.99 yr)  
   first obs. used      1980-03-16  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:45:44  

Additional Information
 Earth MOID = 1.07257 au 
 Jupiter MOID = 2.26267 au 
 T_jup = 3.501 
[ 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 15.90   n/a MPCxxxxx  
diameter diameter 1.961 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31139 Garnavich           Discovered 1997 Sept. 25 at Ondřejov.
Peter M. Garnavich (b. 1958), an associate professor at the University of Notre Dame, Indiana, works in the field of observational astrophysics, mainly on the connection between \gamma -ray bursts and supernovae. The name was suggested by K. Hornoch.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

Alternate Designations
 1997 SJ34 = 1980 FR = 1995 DC12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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