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305528 (2008 FK123)
Classification: Main-belt Asteroid          SPK-ID: 2305528
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329440197455672 5.6167e-08  
a 3.186825954694253 5.6193e-08 au
q 2.444473906578269 1.6207e-07 au
i 24.89715221335592 1.1212e-05 deg
node 210.2345084955996 1.3072e-05 deg
peri 265.9382869157101 3.6806e-05 deg
M 54.89299844013913 2.6737e-05 deg
tp 2458283.652417039843
(2018-Jun-14.15241704)
0.00015941 TDB
period 2077.954076238785
5.69
5.4961e-05
1.505e-07
d
yr
n .1732473321314302 4.5823e-09 deg/d
Q 3.929178002810237 6.9283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6731 days (18.43 yr)  
   first obs. used      2000-11-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:36:06  

Additional Information
 Earth MOID = 1.60493 au 
 Jupiter MOID = 1.85622 au 
 T_jup = 3.013 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457408.5 (2016-Jan-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2337456062299278 5.6171e-08  
q 2.442621814884125 1.6248e-07 au
tp 2458283.243319174961
(2018-Jun-13.74331918)
0.00015878 TDB
node 210.2451918792664 1.3074e-05 deg
peri 265.9033739013129 3.6687e-05 deg
i 24.8947723667122 1.121e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6731 days (18.43 yr)  
   first obs. used      2000-11-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:36:06  

Additional Information
 Jupiter MOID = 1.85622 au 
 T_jup = 3.013 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.155138986349842E-15 -8.881113762534601E-15 -6.091082506858992E-12 1.102957332798551E-14 -1.300044252586045E-12 -2.339296080156706E-14
q -8.881113762534601E-15 2.640048620020175E-14 1.521442630764954E-11 -3.145205764678378E-14 3.142568293642644E-12 6.162654593247374E-14
tp -6.091082506858992E-12 1.521442630764954E-11 2.521090449993446E-8 -4.591004372868194E-11 5.451680957851128E-9 8.111089016044969E-11
node 1.102957332798551E-14 -3.145205764678378E-14 -4.591004372868194E-11 1.709357680020951E-10 -1.644400037014662E-10 7.238141395735743E-11
peri -1.300044252586045E-12 3.142568293642644E-12 5.451680957851128E-9 -1.644400037014662E-10 1.345909008003749E-9 -4.862808708943126E-11
i -2.339296080156706E-14 6.162654593247374E-14 8.111089016044969E-11 7.238141395735743E-11 -4.862808708943126E-11 1.256749342501245E-10

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 15.5   n/a MPO215049  

305528 (2008 FK123)          Discovered 2008-Mar-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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