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275492 (1991 TW16)
Classification: Main-belt Asteroid          SPK-ID: 2275492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2256264271401865 1.578e-07  
a 2.452661677335088 3.4113e-08 au
q 1.899276386094315 3.6398e-07 au
i 2.789967005255531 4.4424e-06 deg
node 141.2575335329848 0.00015321 deg
peri 257.7862929085696 0.00015407 deg
M 157.4359293852043 1.2411e-05 deg
tp 2458386.941119559184
(2018-Sep-25.44111956)
4.5148e-05 TDB
period 1402.991031470686
3.84
2.9271e-05
8.014e-08
d
yr
n .2565946552221577 5.3533e-09 deg/d
Q 3.006046968575861 4.181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      10430 days (28.56 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:16:18  

Additional Information
 Earth MOID = .909359 au 
 Jupiter MOID = 2.41765 au 
 T_jup = 3.458 
[ 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 17.4   n/a MPO470915  

275492 (1991 TW16)          Discovered 1991-Oct-06 by Lowe, A. at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Alternate Designations
 1991 TW16 = 2010 PF62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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