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27183 (1999 CF4)
Classification: Main-belt Asteroid          SPK-ID: 2027183
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06859927392074058 3.2285e-08  
a 2.59794196878795 1.3899e-08 au
q 2.419725036040878 8.8245e-08 au
i 12.85921631660498 4.9602e-06 deg
node 155.8643809195661 1.5611e-05 deg
peri 275.949887928528 3.9836e-05 deg
M 55.95764919392926 3.7433e-05 deg
tp 2458762.761479226394
(2019-Oct-06.26147923)
0.00015854 TDB
period 1529.475750167561
4.19
1.2274e-05
3.36e-08
d
yr
n .2353747680932897 1.8888e-09 deg/d
Q 2.776158901535023 1.4852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1298  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:35:19  

Additional Information
 Earth MOID = 1.47513 au 
 Jupiter MOID = 2.39569 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456586.5 (2013-Oct-21.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06700281601012024 3.2186e-08  
q 2.424240842579914 8.784e-08 au
tp 2457231.321817224540
(2015-Jul-27.82181722)
0.0001603 TDB
node 155.9215943341775 1.5594e-05 deg
peri 275.4673951305487 4.0765e-05 deg
i 12.86410157760631 4.9627e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1298  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:35:19  

Additional Information
 Jupiter MOID = 2.39569 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.035959959324716E-15 -2.79862342916144E-15 -8.501085395331088E-14 -1.987581915032584E-15 8.615174631263853E-15 1.565375441761771E-15
q -2.79862342916144E-15 7.715803970121444E-15 5.958611367382649E-13 4.46203092249152E-15 4.897054727115631E-14 -4.093924019808507E-15
tp -8.501085395331088E-14 5.958611367382649E-13 2.569511273543574E-8 -3.009775386468889E-12 6.042236565902179E-9 -5.893314336786714E-12
node -1.987581915032584E-15 4.46203092249152E-15 -3.009775386468889E-12 2.431750737455565E-10 -2.374299514863114E-10 6.62997359497958E-13
peri 8.615174631263853E-15 4.897054727115631E-14 6.042236565902179E-9 -2.374299514863114E-10 1.661783239418717E-9 -2.018517726185976E-12
i 1.565375441761771E-15 -4.093924019808507E-15 -5.893314336786714E-12 6.62997359497958E-13 -2.018517726185976E-12 2.462848680723732E-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 14.4   n/a MPO309364  
diameter diameter 7.284 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.574 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.070   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27183 (1999 CF4)          Discovered 1999-Feb-10 by Zoltowski, F. B. at Woomera
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CF4 = 1993 PX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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