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207947 (1991 TU16)
Classification: Main-belt Asteroid          SPK-ID: 2207947
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09878543339380048 7.1899e-08  
a 2.654381235134081 2.0561e-08 au
q 2.392167034428989 1.9248e-07 au
i 14.95964132707494 8.3109e-06 deg
node 49.54522394326788 2.0129e-05 deg
peri 354.4644861834821 3.4143e-05 deg
M 218.5087329917712 2.7465e-05 deg
tp 2459621.326875803313
(2022-Feb-10.82687580)
0.00012253 TDB
period 1579.586359037937
4.32
1.8354e-05
5.025e-08
d
yr
n .2279077670810361 2.6481e-09 deg/d
Q 2.916595435839173 2.2593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      10099 days (27.65 yr)  
   first obs. used      1991-10-06  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 01:45:55  

Additional Information
 Earth MOID = 1.40205 au 
 Jupiter MOID = 2.47981 au 
 T_jup = 3.334 
[ 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 16.1   n/a MPO338544  

207947 (1991 TU16)          Discovered 1991-Oct-06 by Lowe, A. at Palomar
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12

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