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469370 (2001 QH208)
Classification: Main-belt Asteroid          SPK-ID: 2469370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .202150246185336 7.9712e-08  
a 2.421121862138541 1.5655e-08 au
q 1.931691481662536 1.9978e-07 au
i 2.222604809049243 6.4971e-06 deg
node 54.47648203224307 0.00019979 deg
peri 286.1482317033185 0.00020047 deg
M 347.2579700851665 1.7827e-05 deg
tp 2459049.203426903149
(2020-Jul-18.70342690)
6.8426e-05 TDB
period 1376.015737078315
3.77
1.3346e-05
3.654e-08
d
yr
n .2616249148170249 2.5375e-09 deg/d
Q 2.910552242614546 1.8819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6917 days (18.94 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:43:14  

Additional Information
 Earth MOID = .924696 au 
 Jupiter MOID = 2.48733 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457483.5 (2016-Apr-05.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024564013645248 7.9557e-08  
q 1.930512789057624 1.993e-07 au
tp 2457674.714602818697
(2016-Oct-13.21460282)
6.1498e-05 TDB
node 54.49398288445963 0.00019962 deg
peri 286.4694771200739 0.00020029 deg
i 2.223984916506884 6.5008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6917 days (18.94 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:43:14  

Additional Information
 Jupiter MOID = 2.48733 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.329339242814994E-15 -1.583419875209302E-14 -7.892173264919486E-13 5.168949079186892E-14 -1.476019198836241E-13 -8.349401829706335E-15
q -1.583419875209302E-14 3.972190910298737E-14 2.250917228925916E-12 -1.269621756007802E-13 4.294322617535991E-13 2.113855676951518E-14
tp -7.892173264919486E-13 2.250917228925916E-12 3.781994930661227E-9 -2.220149981352153E-11 1.06926233239925E-9 2.575191212168278E-12
node 5.168949079186892E-14 -1.269621756007802E-13 -2.220149981352153E-11 3.984706067711276E-8 -3.982225436090516E-8 -2.86477960926305E-10
peri -1.476019198836241E-13 4.294322617535991E-13 1.06926233239925E-9 -3.982225436090516E-8 4.011688296352382E-8 2.868549838685144E-10
i -8.349401829706335E-15 2.113855676951518E-14 2.575191212168278E-12 -2.86477960926305E-10 2.868549838685144E-10 4.226012116812676E-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 17.5   n/a MPO472611  

469370 (2001 QH208)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22

Alternate Designations
 2001 QH208 = 2005 SS147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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