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78716 (2002 TH210)
Classification: Main-belt Asteroid          SPK-ID: 2078716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479449158135471 3.2295e-08  
a 2.660699129656154 1.1657e-08 au
q 2.267062220913997 8.5194e-08 au
i 2.771385047782534 3.9301e-06 deg
node 100.7684585404122 7.9992e-05 deg
peri 229.5658504456805 8.1152e-05 deg
M 119.5980262643377 1.3931e-05 deg
tp 2458673.860305745568
(2019-Jul-09.36030575)
6.0763e-05 TDB
period 1585.229253805241
4.34
1.0418e-05
2.852e-08
d
yr
n .2270964903882786 1.4924e-09 deg/d
Q 3.054336038398312 1.3382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      10490 days (28.72 yr)  
   first obs. used      1992-04-29  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:16:19  

Additional Information
 Earth MOID = 1.25535 au 
 Jupiter MOID = 2.28464 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456925.5 (2014-Sep-25.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500209974132632 3.2307e-08  
q 2.260618541145985 8.5417e-08 au
tp 2457089.694756014162
(2015-Mar-08.19475601)
5.912e-05 TDB
node 100.8254600702839 8.0094e-05 deg
peri 229.5954435549974 8.1215e-05 deg
i 2.770615770624116 3.928e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      10490 days (28.72 yr)  
   first obs. used      1992-04-29  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:16:19  

Additional Information
 Jupiter MOID = 2.28464 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.043722821673052E-15 -2.741184088669753E-15 4.359892268049196E-14 2.646079665990539E-15 -1.063771505323225E-15 -4.781575934861969E-16
q -2.741184088669753E-15 7.296056918299695E-15 -1.390867405617265E-13 -6.487494519408192E-15 -6.52721425691036E-15 1.355888360687423E-15
tp 4.359892268049196E-14 -1.390867405617265E-13 3.495189425076249E-9 6.163009900287492E-12 8.109781186187475E-10 -5.554245599092325E-13
node 2.646079665990539E-15 -6.487494519408192E-15 6.163009900287492E-12 6.414999295953546E-9 -6.405840749035002E-9 -3.03824760512549E-11
peri -1.063771505323225E-15 -6.52721425691036E-15 8.109781186187475E-10 -6.405840749035002E-9 6.595814749420229E-9 3.021633298117449E-11
i -4.781575934861969E-16 1.355888360687423E-15 -5.554245599092325E-13 -3.03824760512549E-11 3.021633298117449E-11 1.54290788996524E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO439583  
diameter diameter 2.987 km 0.901 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78716 (2002 TH210)          Discovered 2002-Oct-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 TH210 = 1996 FK8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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