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(1997 YM9)
Classification: Apollo [NEO]          SPK-ID: 3092168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039915437755917 5.6481e-08  
a 1.095899146188534 3.7736e-09 au
q .9819349021540354 6.1496e-08 au
i 7.843122196948183 2.6656e-05 deg
node 94.73053307489572 2.264e-05 deg
peri 51.73760854677956 9.9288e-05 deg
M 336.3959484716538 6.8952e-05 deg
tp 2459227.975041875063
(2021-Jan-13.47504188)
8.024e-05 TDB
period 419.038869795065
1.15
2.1644e-06
5.926e-09
d
yr
n .8591088463370031 4.4374e-09 deg/d
Q 1.209863390223032 4.1661e-09 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3049 days (8.35 yr)  
   first obs. used      1997-12-28  
   last obs. used      2006-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:55  

Additional Information
 Earth MOID = .0308802 au 
 Jupiter MOID = 3.78037 au 
 T_jup = 5.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452917.5 (2003-Oct-05.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026744008099871 5.6927e-08  
q .9816128076220348 6.2277e-08 au
tp 2452947.313803598912
(2003-Nov-03.81380360)
8.6966e-05 TDB
node 95.04719909261566 2.1953e-05 deg
peri 51.56585184153591 9.9042e-05 deg
i 7.847674932665062 2.6615e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3049 days (8.35 yr)  
   first obs. used      1997-12-28  
   last obs. used      2006-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:55  

Additional Information
 Jupiter MOID = 3.78037 au 
 T_jup = 5.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.240656174542144E-15 -3.542199109038601E-15 1.635802837857567E-12 -1.07766676466675E-13 2.003049988284754E-12 -2.410451621185165E-13
q -3.542199109038601E-15 3.8783873130703E-15 -1.592949104432986E-12 8.443809311709079E-14 -1.972899154171377E-12 2.711212994071086E-13
tp 1.635802837857567E-12 -1.592949104432986E-12 7.563144414344838E-9 -1.141195739737399E-9 8.477755553641417E-9 8.095650048367714E-11
node -1.07766676466675E-13 8.443809311709079E-14 -1.141195739737399E-9 4.819171577312906E-10 -1.56733483022422E-9 2.890253355152675E-10
peri 2.003049988284754E-12 -1.972899154171377E-12 8.477755553641417E-9 -1.56733483022422E-9 9.80924995056738E-9 -2.386123848926413E-10
i -2.410451621185165E-13 2.711212994071086E-13 8.095650048367714E-11 2.890253355152675E-10 -2.386123848926413E-10 7.083517465403123E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.0   n/a MPO99888  

[ show close-approach data ]
Alternate Designations
 1997 YM9 = 2005 YM128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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