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JPL Small-Body Database Browser
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249045 (2007 TR78)
Classification: Main-belt Asteroid          SPK-ID: 2249045
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07522211303600305 6.9748e-08  
a 3.16155014942417 4.9331e-08 au
q 2.923731666715193 2.1487e-07 au
i 12.85805474045319 7.324e-06 deg
node 20.58901577253468 2.8358e-05 deg
peri 166.5572497476171 5.0047e-05 deg
M 228.9798716442157 4.3451e-05 deg
tp 2459347.781204909766
(2021-May-13.28120491)
0.00025275 TDB
period 2053.281714371325
5.62
4.8058e-05
1.316e-07
d
yr
n .1753290829408789 4.1036e-09 deg/d
Q 3.399368632133148 5.3042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      9411 days (25.77 yr)  
   first obs. used      1993-04-16  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:45:41  

Additional Information
 Earth MOID = 1.92567 au 
 Jupiter MOID = 1.55816 au 
 T_jup = 3.161 
[ 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 15.5   n/a MPO433632  
diameter diameter 4.196 km 0.860 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249045 (2007 TR78)          Discovered 2007-Oct-05 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2007 TR78 = 2010 EF127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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