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JPL Small-Body Database Browser
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19905 (4086 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2019905
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877203368446357 6.7898e-08  
a 2.199732913457722 8.1333e-09 au
q 1.786798309975207 1.497e-07 au
i 3.739117937916371 5.689e-06 deg
node 111.812776295891 8.8201e-05 deg
peri 206.0998690714831 8.8886e-05 deg
M 67.08894931265289 1.1579e-05 deg
tp 2458778.423887722584
(2019-Oct-21.92388772)
3.8159e-05 TDB
period 1191.662728943524
3.26
6.6091e-06
1.809e-08
d
yr
n .3020989003483899 1.6755e-09 deg/d
Q 2.612667516940238 9.6601e-09 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      23532 days (64.43 yr)  
   first obs. used      1954-09-02  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5818  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:33:08  

Additional Information
 Earth MOID = .774302 au 
 Jupiter MOID = 2.67752 au 
 T_jup = 3.640 
[ 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 16.2   n/a MPO435884  

19905 (4086 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4086 T-3 = 1990 SD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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