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4492 Debussy (1988 SH)
Classification: Main-belt Asteroid          SPK-ID: 2004492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767491947072778 4.3873e-08  
a 2.7691498267112 1.4998e-08 au
q 2.279704824816197 1.2033e-07 au
i 8.016565984953058 4.8248e-06 deg
node 349.7258833343892 3.3108e-05 deg
peri 53.36600184708062 3.5362e-05 deg
M 289.8495494081021 1.4223e-05 deg
tp 2459328.479026377174
(2021-Apr-23.97902638)
6.7839e-05 TDB
period 1683.131733289528
4.61
1.3674e-05
3.744e-08
d
yr
n .2138870017597569 1.7377e-09 deg/d
Q 3.258594828606203 1.7649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1839  
   data-arc span      24857 days (68.05 yr)  
   first obs. used      1951-08-06  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:14:29  

Additional Information
 Earth MOID = 1.29832 au 
 Jupiter MOID = 2.22779 au 
 T_jup = 3.301 
[ 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 12.9   n/a MPO395040  
diameter diameter 17.359 km 0.697 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 26.606 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R.; et al. (2004) IAUC 8354. (4492)]
[Behrend, R.; et al. (2006) Astron. Astrophys. 446, 1177-1184.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Marchis, F.; Enriquez, J.E.; Emery, J.P.; Mueller, M.; et al. (2012) Icarus 221, 1130-1161.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.040   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

4492 Debussy (1988 SH)          Discovered 1988-Sep-17 by Elst, E. W. at Haute Provence
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 SH = 1979 SZ10 = 1979 VF1 = 1981 EC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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