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74851 (1999 TL65)
Classification: Main-belt Asteroid          SPK-ID: 2074851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633923404477143 4.1376e-08  
a 2.338903482348383 9.4865e-09 au
q 1.956744568286172 9.408e-08 au
i 2.231023983128638 6.2591e-06 deg
node 181.8867703375351 0.00010365 deg
peri 308.7895632263837 0.00010549 deg
M 164.6078138779791 1.9117e-05 deg
tp 2458403.100542302020
(2018-Oct-11.60054230)
6.8485e-05 TDB
period 1306.522453002722
3.58
7.9488e-06
2.176e-08
d
yr
n .2755406148379831 1.6764e-09 deg/d
Q 2.721062396410595 1.1036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      9709 days (26.58 yr)  
   first obs. used      1992-10-01  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:23:10  

Additional Information
 Earth MOID = .972295 au 
 Jupiter MOID = 2.32733 au 
 T_jup = 3.547 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO436306  

74851 (1999 TL65)          Discovered 1999-Oct-08 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TL65 = 2001 DE72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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