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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .053565718669369 3.7529e-08  
a 3.93566180583033 3.7289e-08 au
q 3.724845252761442 1.3892e-07 au
i 3.184588058024426 4.2062e-06 deg
node 75.7637846996395 7.8833e-05 deg
peri 193.4135949434208 8.9757e-05 deg
M 156.2565209888661 4.2443e-05 deg
tp 2457362.670766985249
(2015-Dec-06.17076699)
0.00033588 TDB
period 2851.839533257381
7.81
4.0531e-05
1.11e-07
d
yr
n .1262343115037776 1.7941e-09 deg/d
Q 4.146478358899218 3.9287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1991  
   data-arc span      15829 days (43.34 yr)  
   first obs. used      1976-06-29  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:56:16  

Additional Information
 Earth MOID = 2.70842 au 
 Jupiter MOID = .907762 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-January); 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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