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30884 (1992 SL23)
Classification: Main-belt Asteroid          SPK-ID: 2030884
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468747253287589 3.8831e-08  
a 2.612660299098692 1.3066e-08 au
q 2.228926535291218 1.019e-07 au
i 13.97636466062181 4.9546e-06 deg
node 31.17082448784808 1.8163e-05 deg
peri 33.76787673731153 2.5982e-05 deg
M 213.3453734551883 1.952e-05 deg
tp 2459828.870970611752
(2022-Sep-06.37097061)
8.5691e-05 TDB
period 1542.491735513771
4.22
1.1571e-05
3.168e-08
d
yr
n .2333886086463159 1.7508e-09 deg/d
Q 2.996394062906165 1.4985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1488  
   data-arc span      16356 days (44.78 yr)  
   first obs. used      1975-10-10  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:37  

Additional Information
 Earth MOID = 1.2526 au 
 Jupiter MOID = 2.43236 au 
 T_jup = 3.352 
[ 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 13.99   n/a E2021B10  
diameter diameter 4.930 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.264   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

30884 (1992 SL23)          Discovered 1992-Sep-30 by Holt, H. E. at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 SL23 = 1975 TT6 = 1992 US9 = 1992 XS = 1999 LS16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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