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3709 Polypoites (1985 TL3)
Classification: Jupiter Trojan          SPK-ID: 2003709
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0623163424980326 2.1734e-08  
a 5.234358733279279 8.0255e-08 au
q 4.90817264169868 1.7089e-07 au
i 19.63144059961318 2.2759e-06 deg
node 187.0759233662338 1.9415e-06 deg
peri 246.44435546 2.4559e-05 deg
M 285.5346325416037 2.677e-05 deg
tp 2460105.285200255680
(2023-Jun-09.78520026)
0.00033391 TDB
period 4374.149798885044
11.98
0.0001006
2.754e-07
d
yr
n .08230170811520052 1.8928e-09 deg/d
Q 5.560544824859879 8.5256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2792  
   data-arc span      18073 days (49.48 yr)  
   first obs. used      1971-07-29  
   last obs. used      2021-01-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:27:28  

Additional Information
 Earth MOID = 3.97257 au 
 Jupiter MOID = .0945277 au 
 T_jup = 2.880 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457516.5 (2016-May-08.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06005737842011889 2.1535e-08  
q 4.928124645625628 1.6983e-07 au
tp 2455734.743818935192
(2011-Jun-22.24381894)
0.00031408 TDB
node 187.1473915391114 1.9382e-06 deg
peri 246.9279579614 2.5434e-05 deg
i 19.62318178769194 2.2763e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2792  
   data-arc span      18073 days (49.48 yr)  
   first obs. used      1971-07-29  
   last obs. used      2021-01-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:27:28  

Additional Information
 Jupiter MOID = .0945277 au 
 T_jup = 2.880 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.637747570047594E-16 -3.419281926247424E-15 1.19806422900426E-13 9.043079900923746E-15 -7.334152099363001E-14 5.25651512550643E-15
q -3.419281926247424E-15 2.884173465788438E-14 3.326469411415624E-12 -5.308307739832102E-14 9.784977526237493E-13 -2.991872914701069E-14
tp 1.19806422900426E-13 3.326469411415624E-12 9.864871113863792E-8 -1.601671510211885E-10 7.865979499641987E-9 -1.429415395718386E-10
node 9.043079900923746E-15 -5.308307739832102E-14 -1.601671510211885E-10 3.756744324633914E-12 -1.617185210033667E-11 3.490027591497982E-12
peri -7.334152099363001E-14 9.784977526237493E-13 7.865979499641987E-9 -1.617185210033667E-11 6.468698354046759E-10 -1.458724137940386E-11
i 5.25651512550643E-15 -2.991872914701069E-14 -1.429415395718386E-10 3.490027591497982E-12 -1.458724137940386E-11 5.181587674978004E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.13   n/a E2021B10  
diameter diameter 65.297 km 0.893 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 10.039 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Coley, D.R.; Warner, B.D.; French, L.M. (2016) Minor Planet Bull. 43, 323-331.]
[Stephens, R.D. Warner, B.D. (2017) Minor Planet Bull. 44, 312-316.]
[Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 46, 73-75.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 43-46.]
geometric albedo albedo 0.087   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

3709 Polypoites (1985 TL3)          Discovered 1985-Oct-14 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 TL3 = 1971 OK1 = 1979 HQ2 = 1985 WK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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