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4224 Susa (1988 KG)
Classification: Main-belt Asteroid          SPK-ID: 2004224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864979735400863 1.1311e-08  
a 2.918294996456111 1.1719e-08 au
q 2.374038893424873 3.1079e-08 au
i 12.11515135807692 6.5175e-07 deg
node 200.8159967195212 3.1522e-06 deg
peri 181.7934419769022 7.0879e-06 deg
M 66.59762849580234 5.2285e-06 deg
tp 2458863.640750796703
(2020-Jan-15.14075080)
2.561e-05 TDB
period 1820.92564633635
4.99
1.0969e-05
3.003e-08
d
yr
n .1977016473595776 1.1909e-09 deg/d
Q 3.462551099487349 1.3905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3057  
   data-arc span      21985 days (60.19 yr)  
   first obs. used      1961-01-10  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:29:13  

Additional Information
 Earth MOID = 1.37602 au 
 Jupiter MOID = 1.99534 au 
 T_jup = 3.222 
[ 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 11.41   n/a MPCxxxxx  
diameter diameter 34.730 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.20038 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4224 Susa (1988 KG)          Discovered 1988-May-19 by Helin, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 KG = 1950 YB = 1961 AH = 1977 GB1 = 1978 JX2 = 1982 FD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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