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227322 (2005 TN121)
Classification: Main-belt Asteroid          SPK-ID: 2227322
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184814487573655 3.3001e-08  
a 2.325706645799159 8.4611e-09 au
q 1.895882363809143 7.7836e-08 au
i 2.592592725089181 3.9075e-06 deg
node 213.3702696538921 8.1683e-05 deg
peri 87.38387026681683 8.2679e-05 deg
M 156.399914055047 1.1059e-05 deg
tp 2458637.686071232279
(2019-Jun-03.18607123)
3.9534e-05 TDB
period 1295.480343327217
3.55
7.0696e-06
1.936e-08
d
yr
n .2778892029155782 1.5165e-09 deg/d
Q 2.755530927789175 1.0025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      10667 days (29.20 yr)  
   first obs. used      1991-11-05  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50291  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:19  

Additional Information
 Earth MOID = .880568 au 
 Jupiter MOID = 2.46509 au 
 T_jup = 3.550 
[ 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 17.1   n/a MPO437077  

227322 (2005 TN121)          Discovered 2005-Oct-07 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 TN121 = 1998 SB53 = 2004 FK108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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