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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560366584172768 5.2131e-08  
a 2.423530251108538 1.415e-08 au
q 2.045370689152378 1.2126e-07 au
i 2.805209896161063 4.5838e-06 deg
node 39.94222588785406 0.00013092 deg
peri 60.20210156658194 0.00013315 deg
M 73.49740784789611 2.2866e-05 deg
tp 2458719.154083518562
(2019-Aug-23.65408352)
8.6657e-05 TDB
period 1378.069416310943
3.77
1.2069e-05
3.304e-08
d
yr
n .26123502614528 2.2878e-09 deg/d
Q 2.801689813064698 1.6358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7000 days (19.16 yr)  
   first obs. used      2001-02-17  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:12:41  

Additional Information
 Earth MOID = 1.06395 au 
 Jupiter MOID = 2.34789 au 
 T_jup = 3.494 
[ 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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