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4092 Tyr (1986 TJ4)
Classification: Main-belt Asteroid          SPK-ID: 2004092
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2502792682703933 2.095e-08  
a 2.631181926011561 5.9426e-09 au
q 1.972651638883103 5.6008e-08 au
i 4.025620161664357 4.8459e-07 deg
node 253.8148403657461 3.1592e-06 deg
peri 108.6439242911556 5.4387e-06 deg
M 8.043572339085728 2.528e-06 deg
tp 2459165.668577282105
(2020-Nov-12.16857728)
1.0922e-05 TDB
period 1558.923280581487
4.27
5.2813e-06
1.446e-08
d
yr
n .2309286188000977 7.8234e-10 deg/d
Q 3.289712213140018 7.4299e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2889  
   data-arc span      8737 days (23.92 yr)  
   first obs. used      1997-04-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:55:54  

Additional Information
 Earth MOID = .973167 au 
 Jupiter MOID = 2.20125 au 
 T_jup = 3.351 
[ 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 13.25   n/a MPCxxxxx  
rotation period rot_per 16.091 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Garcia, F.; Farfan, R.B.; Pravec, P.; Ruiz, J.; et al. (2020) CBET 4850.]

4092 Tyr (1986 TJ4)          Discovered 1986-Oct-08 by Jensen, P. at Brorfelde
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 TJ4 = 1956 RG = 1973 QG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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