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JPL Small-Body Database Browser
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52694 (1998 FL28)
Classification: Main-belt Asteroid          SPK-ID: 2052694
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09164956715929717 3.6114e-08  
a 2.892573091876144 1.7434e-08 au
q 2.627470020029066 9.9614e-08 au
i .5198157889313716 4.3818e-06 deg
node 177.4293863319423 0.00038978 deg
peri 56.92986186399713 0.00039072 deg
M 127.6774919851965 2.4784e-05 deg
tp 2458363.210472265772
(2018-Sep-01.71047227)
0.00012449 TDB
period 1796.904265717582
4.92
1.6246e-05
4.448e-08
d
yr
n .2003445630734458 1.8113e-09 deg/d
Q 3.157676163723222 1.9032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      7896 days (21.62 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51615  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:58:25  

Additional Information
 Earth MOID = 1.61614 au 
 Jupiter MOID = 1.83221 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456686.5 (2014-Jan-29.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0907579424613498 3.5774e-08  
q 2.631784130321512 9.8602e-08 au
tp 2456570.896874448952
(2013-Oct-05.39687445)
0.00013099 TDB
node 177.3567236327887 0.00039025 deg
peri 58.33061162320454 0.00039123 deg
i .5186137580963179 4.3841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      7896 days (21.62 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51615  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:58:25  

Additional Information
 Jupiter MOID = 1.83221 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.279764873432204E-15 -3.486845185623456E-15 -1.58203145710781E-12 -1.90117691586689E-16 -3.563664707569951E-13 6.705063306667137E-17
q -3.486845185623456E-15 9.72238629557638E-15 3.927459558833523E-12 9.856166649190617E-15 8.864069971311164E-13 -2.049789176565243E-16
tp -1.58203145710781E-12 3.927459558833523E-12 1.715715328639863E-8 -5.628216446645473E-11 3.634612880417088E-9 -7.195872251316881E-13
node -1.90117691586689E-16 9.856166649190617E-15 -5.628216446645473E-11 1.522963634114344E-7 -1.523006463065023E-7 -1.492919184787116E-10
peri -3.563664707569951E-13 8.864069971311164E-13 3.634612880417088E-9 -1.523006463065023E-7 1.530596959477984E-7 1.491329631925163E-10
i 6.705063306667137E-17 -2.049789176565243E-16 -7.195872251316881E-13 -1.492919184787116E-10 1.491329631925163E-10 1.922033913629257E-11

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 14.1   n/a MPO266195  
diameter diameter 4.187 km 1.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52694 (1998 FL28)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FL28 = 1998 FS147 = 2000 SL104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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