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215957 (2005 NT55)
Classification: Main-belt Asteroid          SPK-ID: 2215957
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2469703045575481 4.2366e-08  
a 2.698407244954648 1.582e-08 au
q 2.031980785847904 1.1708e-07 au
i 12.18820939691267 5.1865e-06 deg
node 224.1128325126431 2.0943e-05 deg
peri 63.0309930186944 2.3702e-05 deg
M 187.7789550822445 1.0952e-05 deg
tp 2459975.039172745268
(2023-Jan-30.53917275)
5.3196e-05 TDB
period 1619.047790131886
4.43
1.4238e-05
3.898e-08
d
yr
n .2223529176805057 1.9554e-09 deg/d
Q 3.364833704061391 1.9727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7047 days (19.29 yr)  
   first obs. used      2001-10-07  
   last obs. used      2021-01-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:52:51  

Additional Information
 Earth MOID = 1.04756 au 
 Jupiter MOID = 1.90441 au 
 T_jup = 3.292 
[ 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 16.06   n/a MPCxxxxx  

215957 (2005 NT55)          Discovered 2005-Jul-11 by Lowe, A. at Mayhill
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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