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JPL Small-Body Database Browser
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6085 Fraethi (1987 SN3)
Classification: Main-belt Asteroid          SPK-ID: 2006085
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377094702062568 3.1396e-08  
a 2.307431723574922 6.6956e-09 au
q 1.989676523384309 7.2157e-08 au
i 6.643959159695865 3.5673e-06 deg
node 201.5352269450002 3.0495e-05 deg
peri 145.6566924057413 3.3206e-05 deg
M 119.3188217709732 1.3278e-05 deg
tp 2458576.175438467305
(2019-Apr-02.67543847)
4.673e-05 TDB
period 1280.240953476558
3.51
5.5724e-06
1.526e-08
d
yr
n .2811970660854131 1.2239e-09 deg/d
Q 2.625186923765534 7.6176e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      11847 days (32.44 yr)  
   first obs. used      1987-08-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:54:12  

Additional Information
 Earth MOID = .987577 au 
 Jupiter MOID = 2.80201 au 
 T_jup = 3.565 
[ 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 14.1   n/a MPO502212  
diameter diameter 5.004 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.556 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 52-56.]
geometric albedo albedo 0.213   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6085 Fraethi           Discovered 1987 Sept. 25 by P. Jensen at Brorfelde.
Frede Pedersen is father of one of the astronomers at the Astronomical Observatory in Copenhagen. Originating from the old Nordic name "Fraethi", Frede is an old Danish name meaning "peace".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

Alternate Designations
 1987 SN3 = 1989 CG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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