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74845 (1999 TP40)
Classification: Main-belt Asteroid          SPK-ID: 2074845
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260752105842249 7.1479e-08  
a 2.320977003172461 1.2402e-08 au
q 2.02835933873635 1.6362e-07 au
i 5.307515167931031 5.7813e-06 deg
node 42.11094815913105 6.7631e-05 deg
peri 324.421923732906 7.036e-05 deg
M 306.2517685524469 2.272e-05 deg
tp 2459193.326341212060
(2020-Dec-09.82634121)
8.2399e-05 TDB
period 1291.530548387965
3.54
1.0352e-05
2.834e-08
d
yr
n .2787390514683041 2.2342e-09 deg/d
Q 2.613594667608572 1.3966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      9207 days (25.21 yr)  
   first obs. used      1994-02-15  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:23:10  

Additional Information
 Earth MOID = 1.03008 au 
 Jupiter MOID = 2.84835 au 
 T_jup = 3.561 
[ 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 16.0   n/a MPO468696  

74845 (1999 TP40)          Discovered 1999-Oct-05 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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