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74834 (1999 TN30)
Classification: Main-belt Asteroid          SPK-ID: 2074834
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2848554342582726 1.0064e-07  
a 2.539533819077381 1.0301e-08 au
q 1.816133810230524 2.6178e-07 au
i 5.152792919958852 3.7304e-06 deg
node 205.1844782156847 6.0115e-05 deg
peri 111.6492131069628 6.1315e-05 deg
M 68.46861946816996 7.1434e-06 deg
tp 2458719.362681325957
(2019-Aug-23.86268133)
2.9175e-05 TDB
period 1478.187168206396
4.05
8.9941e-06
2.462e-08
d
yr
n .2435415539676326 1.4818e-09 deg/d
Q 3.262933827924238 1.3236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      10582 days (28.97 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:10  

Additional Information
 Earth MOID = .810773 au 
 Jupiter MOID = 2.0942 au 
 T_jup = 3.383 
[ 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 16.1   n/a MPO290961  

74834 (1999 TN30)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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