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78688 (2002 TJ147)
Classification: Main-belt Asteroid          SPK-ID: 2078688
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03634491616148874 6.2649e-08  
a 3.084046614728734 2.2888e-08 au
q 2.971957199078295 1.988e-07 au
i 9.128772461895267 5.071e-06 deg
node 299.855135793112 2.8147e-05 deg
peri 234.7002200634393 6.678e-05 deg
M 350.1101406647746 6.003e-05 deg
tp 2459450.845982082413
(2021-Aug-24.34598208)
0.0003299 TDB
period 1978.243864397968
5.42
2.2022e-05
6.029e-08
d
yr
n .1819795862779322 2.0258e-09 deg/d
Q 3.196136030379174 2.372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1998-12-14  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:01:16  

Additional Information
 Earth MOID = 1.99059 au 
 Jupiter MOID = 1.86265 au 
 T_jup = 3.206 
[ 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 14.56   n/a MPCxxxxx  
diameter diameter 7.113 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78688 (2002 TJ147)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TJ147 = 1998 XQ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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