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186128 (2001 TP154)
Classification: Jupiter Trojan          SPK-ID: 2186128
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01359947214961118 6.496e-08  
a 5.17465973831549 1.6227e-07 au
q 5.104287097320554 2.6702e-07 au
i 12.24274501028583 6.3289e-06 deg
node 78.55518466050019 2.6818e-05 deg
peri 20.39099995362727 0.00025233 deg
M 145.3153760768111 0.00024989 deg
tp 2457464.977720999880
(2016-Mar-17.47772100)
0.0029812 TDB
period 4299.53138689048
11.77
0.00020224
5.537e-07
d
yr
n .08373005511662523 3.9385e-09 deg/d
Q 5.245032379310425 1.6448e-07 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      6881 days (18.84 yr)  
   first obs. used      2001-10-15  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:01  

Additional Information
 Earth MOID = 4.1224 au 
 Jupiter MOID = .0249577 au 
 T_jup = 2.954 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.91   n/a E2021B55  
diameter diameter 14.491 km 1.167 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.077   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

186128 (2001 TP154)          Discovered 2001-Oct-15 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 TP154 = 2002 VG90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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