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JPL Small-Body Database Browser
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52655 (1998 AF6)
Classification: Main-belt Asteroid          SPK-ID: 2052655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275865113052485 3.496e-08  
a 2.334551341518815 9.7082e-09 au
q 2.036694080391442 8.0647e-08 au
i 7.166665861057491 3.9023e-06 deg
node 155.2638550030989 2.9628e-05 deg
peri 13.34601041436404 3.2939e-05 deg
M 89.05926712021267 1.4844e-05 deg
tp 2458678.185245051780
(2019-Jul-13.68524505)
5.3192e-05 TDB
period 1302.877460520048
3.57
8.127e-06
2.225e-08
d
yr
n .2763114804797565 1.7236e-09 deg/d
Q 2.632408602646189 1.0947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8602 days (23.55 yr)  
   first obs. used      1996-10-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:24:56  

Additional Information
 Earth MOID = 1.04424 au 
 Jupiter MOID = 2.3365 au 
 T_jup = 3.547 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456633.5 (2013-Dec-07.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277706921960444 3.4903e-08  
q 2.035631469897743 8.0564e-08 au
tp 2456073.602393852216
(2012-May-26.10239385)
5.1544e-05 TDB
node 155.2952107289489 2.9636e-05 deg
peri 13.24109924653114 3.2941e-05 deg
i 7.165933029188882 3.9022e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8602 days (23.55 yr)  
   first obs. used      1996-10-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:24:56  

Additional Information
 Jupiter MOID = 2.3365 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.218231119939639E-15 -2.79649089583347E-15 3.313471318800514E-13 1.580152697189524E-15 9.176730151096887E-14 -5.044315416110795E-16
q -2.79649089583347E-15 6.490582769436607E-15 -8.014638781870653E-13 -3.640935471357329E-15 -2.152821986028969E-13 1.395112130406127E-15
tp 3.313471318800514E-13 -8.014638781870653E-13 2.656770789298005E-9 4.259655752965525E-12 7.523909562808958E-10 -7.500852560287426E-13
node 1.580152697189524E-15 -3.640935471357329E-15 4.259655752965525E-12 8.782798032895603E-10 -8.699417059213353E-10 2.404581096400749E-11
peri 9.176730151096887E-14 -2.152821986028969E-13 7.523909562808958E-10 -8.699417059213353E-10 1.08513386957215E-9 -2.404277896421088E-11
i -5.044315416110795E-16 1.395112130406127E-15 -7.500852560287426E-13 2.404581096400749E-11 -2.404277896421088E-11 1.522724061471364E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO432084  
diameter diameter 2.980 km 0.517 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52655 (1998 AF6)          Discovered 1998-Jan-08 by ODAS at Caussols
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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