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JPL Small-Body Database Browser
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214916 (2007 TN257)
Classification: Main-belt Asteroid          SPK-ID: 2214916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156164238887165 5.9762e-08  
a 2.424001604422533 1.5809e-08 au
q 2.045459238806621 1.436e-07 au
i 2.805239115151749 5.0629e-06 deg
node 39.9496055013228 0.0001433 deg
peri 60.27346824574824 0.00014544 deg
M 328.9535152632967 2.2829e-05 deg
tp 2458719.379703840428
(2019-Aug-23.87970384)
8.7675e-05 TDB
period 1378.47146772013
3.77
1.3486e-05
3.692e-08
d
yr
n .2611588331207232 2.5549e-09 deg/d
Q 2.802543970038445 1.8278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6446 days (17.65 yr)  
   first obs. used      2001-02-17  
   last obs. used      2018-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:50:24  

Additional Information
 Earth MOID = 1.06417 au 
 Jupiter MOID = 2.34801 au 
 T_jup = 3.493 
[ 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 17.6   n/a MPO454543  

214916 (2007 TN257)          Discovered 2007-Oct-10 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2007 TN257 = 2003 SA423 = 2003 SG380 = 2005 ET238 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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