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181949 (1999 TF219)
Classification: Main-belt Asteroid          SPK-ID: 2181949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119541959823138 5.0053e-08  
a 2.298602394200301 5.3124e-09 au
q 1.811403971854554 1.1457e-07 au
i 4.824915648799005 5.2232e-06 deg
node 40.50337844136289 3.3168e-05 deg
peri 5.413560826486968 3.491e-05 deg
M 7.924644435018259 8.229e-06 deg
tp 2459172.479783054068
(2020-Nov-18.97978305)
2.9101e-05 TDB
period 1272.899772759624
3.49
4.4128e-06
1.208e-08
d
yr
n .2828188108004186 9.8045e-10 deg/d
Q 2.785800816546047 6.4384e-09 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1999-10-01  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:43  

Additional Information
 Earth MOID = .819994 au 
 Jupiter MOID = 2.61376 au 
 T_jup = 3.558 
[ 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 17.08   n/a MPCxxxxx  

181949 (1999 TF219)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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