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4060 Deipylos (1987 YT1)
Classification: Jupiter Trojan          SPK-ID: 2004060
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 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547137351062145 2.3773e-08  
a 5.246568925435972 7.2059e-08 au
q 4.434852650489574 1.5111e-07 au
i 16.15836324781797 4.718e-07 deg
node 168.1968837156834 2.43e-06 deg
peri 307.1971205903814 1.0292e-05 deg
M 249.1794656422464 1.1727e-05 deg
tp 2460551.729879133441
(2024-Aug-29.22987913)
0.00016355 TDB
period 4389.464094422176
12.02
9.043e-05
2.476e-07
d
yr
n .08201456766840008 1.6896e-09 deg/d
Q 6.058285200382369 8.3207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2480  
   data-arc span      28804 days (78.86 yr)  
   first obs. used      1942-03-12  
   last obs. used      2021-01-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:53:32  

Additional Information
 Earth MOID = 3.47997 au 
 Jupiter MOID = .545633 au 
 T_jup = 2.897 
[ 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 9.49   n/a MPCxxxxx  
diameter diameter 84.043 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 9.298 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
[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 0.043   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4060 Deipylos (1987 YT1)          Discovered 1987-Dec-17 by Elst and Pizarro at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 YT1 = 1942 ET = 1950 UJ = 1951 YP1 = 1966 FN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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