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72172 (2000 YB109)
Classification: Main-belt Asteroid          SPK-ID: 2072172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695381672505933 4.9706e-08  
a 2.309990963039531 9.1766e-09 au
q 1.918359328800376 1.1664e-07 au
i 5.416764698253265 3.7959e-06 deg
node 91.06591005609494 6.537e-05 deg
peri 297.9234218064996 6.7075e-05 deg
M 359.7494556765093 1.5573e-05 deg
tp 2459397.392474702914
(2021-Jul-01.89247470)
5.5475e-05 TDB
period 1282.371472531923
3.51
7.6415e-06
2.092e-08
d
yr
n .2807298881105126 1.6728e-09 deg/d
Q 2.701622597278686 1.0732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      9195 days (25.17 yr)  
   first obs. used      1995-05-09  
   last obs. used      2020-07-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58795  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:37  

Additional Information
 Earth MOID = .930172 au 
 Jupiter MOID = 2.74548 au 
 T_jup = 3.560 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169428726787098 4.937e-08  
q 1.91867348339025 1.1578e-07 au
tp 2456832.651872146010
(2014-Jun-24.15187215)
5.1046e-05 TDB
node 91.14255043127795 6.528e-05 deg
peri 297.9986553069027 6.7002e-05 deg
i 5.420223982034837 3.7985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      9195 days (25.17 yr)  
   first obs. used      1995-05-09  
   last obs. used      2020-07-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58795  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:37  

Additional Information
 Jupiter MOID = 2.74548 au 
 T_jup = 3.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.437352864921623E-15 -5.704153109478224E-15 -1.183410081395712E-12 4.833796181603801E-14 -3.738888317265739E-13 -6.382038241837062E-15
q -5.704153109478224E-15 1.340462373801095E-14 2.794553372210121E-12 -1.124053038258317E-13 8.814109294619116E-13 1.515282655674823E-14
tp -1.183410081395712E-12 2.794553372210121E-12 2.605732468911269E-9 -2.640812747533865E-11 8.181069726994245E-10 6.797349763390762E-12
node 4.833796181603801E-14 -1.124053038258317E-13 -2.640812747533865E-11 4.261479007887513E-9 -4.249238498366802E-9 1.675560838319385E-11
peri -3.738888317265739E-13 8.814109294619116E-13 8.181069726994245E-10 -4.249238498366802E-9 4.489239891977381E-9 -1.471371745502345E-11
i -6.382038241837062E-15 1.515282655674823E-14 6.797349763390762E-12 1.675560838319385E-11 -1.471371745502345E-11 1.442865564420016E-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 15.95   n/a E2021B10  

72172 (2000 YB109)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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