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39589 (1993 FL75)
Classification: Main-belt Asteroid          SPK-ID: 2039589
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03074752436721772 4.1237e-08  
a 2.718584232635826 1.4065e-08 au
q 2.634994497698522 1.1461e-07 au
i 1.342614883257233 3.8062e-06 deg
node 246.4933671011896 0.00018721 deg
peri 145.8948121242827 0.00019713 deg
M 179.9206184865619 6.3386e-05 deg
tp 2458182.240507789594
(2018-Mar-04.74050779)
0.00028615 TDB
period 1637.241021477189
4.48
1.2706e-05
3.479e-08
d
yr
n .2198821036594799 1.7064e-09 deg/d
Q 2.80217396757313 1.4497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      10821 days (29.63 yr)  
   first obs. used      1990-09-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:44:30  

Additional Information
 Earth MOID = 1.63993 au 
 Jupiter MOID = 2.31816 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0298408690023635 4.0814e-08  
q 2.639191810891064 1.133e-07 au
tp 2456554.341655673740
(2013-Sep-18.84165567)
0.00029523 TDB
node 246.5557859563832 0.00018736 deg
peri 148.1802379785943 0.00019815 deg
i 1.341658517770882 3.8039e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      10821 days (29.63 yr)  
   first obs. used      1990-09-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:44:30  

Additional Information
 Jupiter MOID = 2.31816 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.665794916763188E-15 -4.591153490051701E-15 -3.299305682690433E-12 1.018099768027992E-15 -7.4689112421882E-13 1.516533575532675E-16
q -4.591153490051701E-15 1.283667541962113E-14 1.003723430212256E-11 -4.126221194964519E-15 2.278745922363239E-12 -3.79832284914419E-16
tp -3.299305682690433E-12 1.003723430212256E-11 8.716334239905208E-8 2.175112127218614E-11 1.906658166591111E-8 -1.044198407095708E-12
node 1.018099768027992E-15 -4.126221194964519E-15 2.175112127218614E-11 3.510372564406443E-8 -3.508948092408601E-8 -2.390539191467127E-10
peri -7.4689112421882E-13 2.278745922363239E-12 1.906658166591111E-8 -3.508948092408601E-8 3.92642924900057E-8 2.387670321323875E-10
i 1.516533575532675E-16 -3.79832284914419E-16 -1.044198407095708E-12 -2.390539191467127E-10 2.387670321323875E-10 1.446987975842205E-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 15.3   n/a MPO431946  
rotation period rot_per 5.55 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

39589 (1993 FL75)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FL75 = 1995 WC10 = 1999 RX78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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