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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 ]

[ 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 .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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457035.5 (2015-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2853359147319036 1.0052e-07  
q 1.814463789234088 2.6167e-07 au
tp 2457242.607129139687
(2015-Aug-08.10712914)
3.0147e-05 TDB
node 205.2029984166399 6.0083e-05 deg
peri 111.8716234056052 6.1279e-05 deg
i 5.154383166449913 3.7339e-06 deg
  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
 Jupiter MOID = 2.0942 au 
 T_jup = 3.383 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.010446449188382E-14 -2.630068369413617E-14 9.887207340237103E-13 1.60511534359692E-13 2.196253627082263E-13 -7.971506171191931E-14
q -2.630068369413617E-14 6.847376156567918E-14 -2.573247702742173E-12 -4.17316795514505E-13 -5.741851907655906E-13 2.076159185980982E-13
tp 9.887207340237103E-13 -2.573247702742173E-12 9.08866930399269E-10 -5.069291248896398E-12 3.858665506038274E-10 -6.815442495303229E-12
node 1.60511534359692E-13 -4.17316795514505E-13 -5.069291248896398E-12 3.609970611397831E-9 -3.59927836982049E-9 -1.32189465669896E-10
peri 2.196253627082263E-13 -5.741851907655906E-13 3.858665506038274E-10 -3.59927836982049E-9 3.755140638659611E-9 1.291998862796815E-10
i -7.971506171191931E-14 2.076159185980982E-13 -6.815442495303229E-12 -1.32189465669896E-10 1.291998862796815E-10 1.394179014755508E-11

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

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