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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267450931023106 7.131e-08  
a 2.319837149832847 1.207e-08 au
q 2.025809174295084 1.6338e-07 au
i 5.310978477676215 5.7848e-06 deg
node 42.13994695111789 6.7569e-05 deg
peri 324.6003788753544 7.0276e-05 deg
M 194.5570633621082 2.217e-05 deg
tp 2459193.603387882600
(2020-Dec-10.10338788)
8.208e-05 TDB
period 1290.579241258667
3.53
1.0072e-05
2.758e-08
d
yr
n .278944514595556 2.1771e-09 deg/d
Q 2.61386512537061 1.36e-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 = 1.02673 au 
 Jupiter MOID = 2.84481 au 
 T_jup = 3.562 
[ 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 15.9   n/a MPO337822  

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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