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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877005886448241 5.4074e-08  
a 2.200135254959194 7.505e-09 au
q 1.787168572505123 1.1885e-07 au
i 3.739075039477978 4.9639e-06 deg
node 111.8127453575243 6.8047e-05 deg
peri 206.1553602342233 6.8646e-05 deg
M 127.4398536584424 1.007e-05 deg
tp 2458778.536136068102
(2019-Oct-22.03613607)
3.2755e-05 TDB
period 1191.989684974188
3.26
6.0991e-06
1.67e-08
d
yr
n .3020160363281966 1.5453e-09 deg/d
Q 2.613101937413265 8.9137e-09 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      24245 days (66.38 yr)  
   first obs. used      1954-09-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:45  

Additional Information
 Earth MOID = .772702 au 
 Jupiter MOID = 2.677 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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