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15417 Babylon (1998 DH34)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05353244839549608 3.7189e-08  
a 3.935757433833552 3.6807e-08 au
q 3.725066702109667 1.3821e-07 au
i 3.18413369339408 4.1849e-06 deg
node 75.76127659769821 7.7076e-05 deg
peri 193.7822200535477 8.7612e-05 deg
M 206.3419952523575 4.1511e-05 deg
tp 2460217.788733015648
(2023-Sep-30.28873302)
0.00033103 TDB
period 2851.943474115408
7.81
4.0006e-05
1.095e-07
d
yr
n .126229710815591 1.7707e-09 deg/d
Q 4.146448165557437 3.8777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      15921 days (43.59 yr)  
   first obs. used      1976-06-29  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:18:14  

Additional Information
 Earth MOID = 2.70907 au 
 Jupiter MOID = .908579 au 
 T_jup = 3.056 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO492923  
rotation period rot_per 39.251 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15417 Babylon           Discovered 1998 Feb. 27 by E. W. Elst at the European Southern Observatory.
Babylon, one of the most famous cities of antiquity, was the capital of southern Mesopotamia, the region between the Tigris and Euphrates rivers. The legendary Hanging Gardens of the city, one of the seven wonders of the world, have inspired many classical authors.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 DH34 = 1981 AY2 = 1999 JX27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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