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17124 (1999 JC65)
Classification: Main-belt Asteroid          SPK-ID: 2017124
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04149043676952915 2.6173e-08  
a 2.612082074181151 9.5941e-09 au
q 2.503705648045517 7.1082e-08 au
i .8923206691295823 3.9757e-06 deg
node 192.7924318585872 0.00017783 deg
peri 94.8248655979649 0.00018505 deg
M 332.2498058184538 5.0269e-05 deg
tp 2459319.361766592025
(2021-Apr-14.86176659)
0.00021516 TDB
period 1541.979695464048
4.22
8.4954e-06
2.326e-08
d
yr
n .2334661092224438 1.2863e-09 deg/d
Q 2.720458500316784 9.9921e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2278  
   data-arc span      11094 days (30.37 yr)  
   first obs. used      1990-02-28  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:54:13  

Additional Information
 Earth MOID = 1.48559 au 
 Jupiter MOID = 2.32924 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04154432744419541 2.6007e-08  
q 2.504042223344606 7.0397e-08 au
tp 2456223.745432235079
(2012-Oct-23.24543224)
0.00021915 TDB
node 192.9535547984892 0.00017855 deg
peri 92.21487805573462 0.00018571 deg
i .8895768492773295 3.9718e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2278  
   data-arc span      11094 days (30.37 yr)  
   first obs. used      1990-02-28  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:54:13  

Additional Information
 Jupiter MOID = 2.32924 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.763530806485901E-16 -1.815895651544213E-15 8.471981874193261E-13 -2.020819177690426E-15 2.106455511484478E-13 7.827821013386744E-17
q -1.815895651544213E-15 4.95570001261648E-15 -2.762863228930314E-12 6.056535465139742E-15 -6.713245537237579E-13 -1.937223259778052E-16
tp 8.471981874193261E-13 -2.762863228930314E-12 4.802821692879614E-8 -3.234088759854286E-11 1.119488758407893E-8 2.077132248368605E-13
node -2.020819177690426E-15 6.056535465139742E-15 -3.234088759854286E-11 3.188184357990525E-8 -3.188522786121634E-8 -5.175612828539492E-11
peri 2.106455511484478E-13 -6.713245537237579E-13 1.119488758407893E-8 -3.188522786121634E-8 3.448948283149013E-8 5.17977604107365E-11
i 7.827821013386744E-17 -1.937223259778052E-16 2.077132248368605E-13 -5.175612828539492E-11 5.17977604107365E-11 1.577513254270531E-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 14.12   n/a E2021B10  
diameter diameter 4.263 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.37 h n/a LCDB (Rev. 2020-October); 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.]
geometric albedo albedo 0.244   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17124 (1999 JC65)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JC65 = 1990 DM4 = 1996 SQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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