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1509 Esclangona (1938 YG)
Classification: Inner Main-belt Asteroid          SPK-ID: 2001509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03232705477960848 4.2187e-08  
a 1.866257376443222 4.1029e-09 au
q 1.805926772002094 7.8448e-08 au
i 22.32496709880637 4.5098e-06 deg
node 283.5145877224438 1.1247e-05 deg
peri 267.5637443475382 8.3e-05 deg
M 251.9340352726438 8.5101e-05 deg
tp 2459280.038845316330
(2021-Mar-06.53884532)
0.00022039 TDB
period 931.2273717980681
2.55
3.0709e-06
8.408e-09
d
yr
n .386586574774849 1.2749e-09 deg/d
Q 1.926587980884351 4.2356e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2113  
   data-arc span      29895 days (81.85 yr)  
   first obs. used      1938-12-21  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:17  

Additional Information
 Earth MOID = .844949 au 
 Jupiter MOID = 3.2336 au 
 T_jup = 3.896 
[ 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 12.6   n/a MPO502168 IRAS observations used: 2
diameter diameter 8.17 km 0.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 3.25283 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2005) Minor Planet Bull. 32, 54-58.]
[Polishook, D.; Brosch, N.; Prialnik, D.; Kaspi, S. (2009) Meteoritics and Planetary Sci. 44, 1955-1966.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D.; Pravec, P.; Kusnirak, P.; Hornoch, K.; Harris, A.W.; et al. (2010) Minor Planet Bull. 37, 70-73.]
[Polishook, D.; Brosch, N.; Prialnik, D. (2011) Icarus 212, 167-174.]
[Marchis, F.; Enriquez, J.E.; Emery, J.P.; Mueller, M.; et al. (2012) Icarus 221, 1130-1161.]
[Warner, B.D. (2013) Minor Planet Bull. 40, 137-145.]
geometric albedo albedo 0.2327   0.038 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
B-V BV 0.894   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=19.76, mean=19.82, max.=19.87) deg.
U-B UB 0.472   0.052 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=19.76, mean=19.82, max.=19.87) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1509 Esclangona (1938 YG)          Discovered 1938-Dec-21 by Patry, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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