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17999 (1999 JO80)
Classification: Main-belt Asteroid          SPK-ID: 2017999
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397921128181574 2.869e-08  
a 2.565479353231054 8.9898e-09 au
q 2.206845574051524 7.1617e-08 au
i 13.6564942785127 3.9292e-06 deg
node 183.751192837673 1.4107e-05 deg
peri 73.96630603919014 2.1266e-05 deg
M 74.48405804415168 1.5397e-05 deg
tp 2458889.963937681024
(2020-Feb-10.46393768)
6.4012e-05 TDB
period 1500.898116595154
4.11
7.889e-06
2.16e-08
d
yr
n .2398563873320556 1.2607e-09 deg/d
Q 2.924113132410583 1.0247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1629  
   data-arc span      25751 days (70.50 yr)  
   first obs. used      1950-07-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:19:30  

Additional Information
 Earth MOID = 1.23736 au 
 Jupiter MOID = 2.19538 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457382.5 (2015-Dec-26.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387013859652118 2.8744e-08  
q 2.20978882789537 7.1655e-08 au
tp 2457388.725601063754
(2016-Jan-01.22560106)
6.4199e-05 TDB
node 183.8153357696955 1.4111e-05 deg
peri 73.99584558991931 2.1341e-05 deg
i 13.65283917704152 3.9278e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1629  
   data-arc span      25751 days (70.50 yr)  
   first obs. used      1950-07-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:19:30  

Additional Information
 Jupiter MOID = 2.19538 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.262331964279992E-16 -2.04891389384498E-15 3.213354507533232E-13 -4.634189927100718E-15 6.461094592300197E-14 -5.497381356422415E-16
q -2.04891389384498E-15 5.134489353744158E-15 -8.383657540238479E-13 1.265155687561006E-14 -1.726443675659574E-13 1.118576244287099E-15
tp 3.213354507533232E-13 -8.383657540238479E-13 4.121491692607463E-9 -1.291913343407238E-11 1.038338973883714E-9 -7.551612391376562E-12
node -4.634189927100718E-15 1.265155687561006E-14 -1.291913343407238E-11 1.991276566706348E-10 -1.962557549072522E-10 -1.514698884163971E-11
peri 6.461094592300197E-14 -1.726443675659574E-13 1.038338973883714E-9 -1.962557549072522E-10 4.554453026174977E-10 1.28801422657878E-11
i -5.497381356422415E-16 1.118576244287099E-15 -7.551612391376562E-12 -1.514698884163971E-11 1.28801422657878E-11 1.542772837611221E-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 14.43   n/a E2021B10  

17999 (1999 JO80)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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