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JPL Small-Body Database Browser
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27801 (1993 FS28)
Classification: Main-belt Asteroid          SPK-ID: 2027801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218018824112153 3.1415e-08  
a 2.287803506374886 8.1045e-09 au
q 2.009144732711446 7.3228e-08 au
i 2.872648687903627 3.449e-06 deg
node 251.7179392218175 7.8224e-05 deg
peri 222.7141198803906 8.0144e-05 deg
M 253.0526089146795 1.6552e-05 deg
tp 2458975.986392299724
(2020-May-06.48639230)
5.8166e-05 TDB
period 1263.940147170682
3.46
6.7162e-06
1.839e-08
d
yr
n .2848236135277897 1.5135e-09 deg/d
Q 2.566462280038326 9.0917e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      9757 days (26.71 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:41:36  

Additional Information
 Earth MOID = 1.02699 au 
 Jupiter MOID = 2.52245 au 
 T_jup = 3.589 
[ 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 15.6   n/a MPO347729  
diameter diameter 2.142 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27801 (1993 FS28)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FS28 = 1998 UJ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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