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78680 (2002 TR131)
Classification: Main-belt Asteroid          SPK-ID: 2078680
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041867211613515 4.4508e-08  
a 3.107182232320623 2.5003e-08 au
q 2.783455103484329 1.4062e-07 au
i 9.258863820071404 5.9286e-06 deg
node 343.0236132127368 2.8219e-05 deg
peri 73.87967565937592 4.1984e-05 deg
M 78.27737191918104 2.8794e-05 deg
tp 2458765.507018692205
(2019-Oct-09.00701869)		 0.00015955 TDB
period 2000.54587208789
5.48		 2.4147e-05
6.611e-08		 d
yr
n .1799508849173662 2.172e-09 deg/d
Q 3.430909361156917 2.7608e-08 au
   Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      10698 days (29.29 yr)  
   first obs. used      1991-10-04  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:16:09  

Additional Information
 Earth MOID = 1.81204 au 
 Jupiter MOID = 1.93328 au 
 T_jup = 3.192 
[ 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 14.72   n/a E2021B10  
diameter diameter 4.648 km 1.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78680 (2002 TR131)          Discovered 2002-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1913-Dec-11 03:44 00:04 Jupiter 1.99191182322387 1.99191126054989 1.99191238589819 3.79335552362761 3.6795494656139 2420112.655594970 3.75052524376976 100.672962017935 20.3820390731732 76.8166918236379 2102483.42471166 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:10 2021-Feb-24 07:16
1985-Mar-24 04:38 00:01 Jupiter 1.98522575527659 1.98522522745536 1.98522628309781 3.89319588432633 3.78201640045527 2446148.693291378 1.16954374168648 63.0693359339776 20.4815898538852 80.507448537648 2494794.04156068 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:10 2021-Feb-24 07:16
2056-Jul-05 11:12 00:01 Jupiter 1.97341601194624 1.97341547454712 1.97341654934548 3.97747870838382 3.86806205692136 2472184.966528834 1.45710828941023 66.4069229697143 21.1459556338848 79.1175458353497 2524642.70417477 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:10 2021-Feb-24 07:16
2127-Oct-17 16:11 00:04 Jupiter 1.95713434080292 1.95713379819344 1.95713488341262 4.04069058157607 3.9321248906226 2498220.174476235 3.9826259843876 91.9266715639383 21.3115792260288 78.967089944376 2113380.24894556 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:10 2021-Feb-24 07:16
2199-Jan-28 04:18 00:07 Jupiter 1.9461613633459 1.94616083637955 1.94616189031235 4.10653271536979 3.99914445640884 2524255.679118252 6.50060815828358 105.699144814652 21.3622098862982 81.2469876881353 1748881.83234437 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:10 2021-Feb-24 07:16

Alternate Designations
 2002 TR131 = 1991 TP4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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