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101616 (1999 CL9)
Classification: Main-belt Asteroid          SPK-ID: 2101616
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556362430182262 5.9849e-08  
a 2.659476157527238 1.7083e-08 au
q 2.24556527997315 1.6239e-07 au
i 11.65879414876668 5.5695e-06 deg
node 10.64292717560081 2.1382e-05 deg
peri 171.2953603347479 2.6138e-05 deg
M 298.9839550815772 1.9196e-05 deg
tp 2459268.993719291016
(2021-Feb-23.49371929)
8.6031e-05 TDB
period 1584.136419756396
4.34
1.5264e-05
4.179e-08
d
yr
n .2272531554166021 2.1897e-09 deg/d
Q 3.073387035081325 1.9742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      7932 days (21.72 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:30  

Additional Information
 Earth MOID = 1.24853 au 
 Jupiter MOID = 1.88417 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456822.5 (2014-Jun-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558544683335486 5.9916e-08  
q 2.244625022848795 1.6258e-07 au
tp 2456103.119579803472
(2012-Jun-24.61957980)
7.1698e-05 TDB
node 10.65904872938803 2.1378e-05 deg
peri 171.5973735940995 2.6129e-05 deg
i 11.66147827458056 5.5701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      7932 days (21.72 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:30  

Additional Information
 Jupiter MOID = 1.88417 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.589877168460673E-15 -9.7040011542525E-15 -1.003044523187865E-12 -6.179166825403492E-15 -8.282042232067185E-14 -4.136943611559877E-15
q -9.7040011542525E-15 2.643137748850872E-14 2.983581345410511E-12 1.659268328571678E-14 2.968628412641707E-13 1.285814172168393E-14
tp -1.003044523187865E-12 2.983581345410511E-12 5.140629774288698E-9 -2.950727159231008E-12 1.081631944192639E-9 1.260079660635539E-11
node -6.179166825403492E-15 1.659268328571678E-14 -2.950727159231008E-12 4.570026762181328E-10 -4.479132137278584E-10 -5.977070642337105E-13
peri -8.282042232067185E-14 2.968628412641707E-13 1.081631944192639E-9 -4.479132137278584E-10 6.827282213283817E-10 3.271087710308152E-12
i -4.136943611559877E-15 1.285814172168393E-14 1.260079660635539E-11 -5.977070642337105E-13 3.271087710308152E-12 3.102553971437968E-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 14.8   n/a MPO233951  

101616 (1999 CL9)          Discovered 1999-Feb-12 by Urata, T. at Oohira
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CL9 = 2001 RX87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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