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100693 (1997 YP9)
Classification: Main-belt Asteroid          SPK-ID: 2100693
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764979294441407 5.7878e-08  
a 2.633262210629745 1.2821e-08 au
q 2.168496882770095 1.5088e-07 au
i 11.77512152792663 5.0961e-06 deg
node 277.10862304 2.7492e-05 deg
peri 132.1728627253689 3.1373e-05 deg
M 132.9583244213669 1.3882e-05 deg
tp 2458424.061977618076
(2018-Nov-01.56197762)
5.9241e-05 TDB
period 1560.772437232549
4.27
1.1399e-05
3.121e-08
d
yr
n .2306550214574051 1.6846e-09 deg/d
Q 3.098027538489396 1.5084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:46  

Additional Information
 Earth MOID = 1.19894 au 
 Jupiter MOID = 2.29848 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457380.5 (2015-Dec-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754050052450347 5.7697e-08  
q 2.173085870335462 1.503e-07 au
tp 2456863.578351667725
(2014-Jul-25.07835167)
5.9041e-05 TDB
node 277.16450043457 2.7497e-05 deg
peri 132.4482317564173 3.1446e-05 deg
i 11.77025461559253 5.0937e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:46  

Additional Information
 Jupiter MOID = 2.29848 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.328976914637427E-15 -8.650800475198488E-15 -6.586618621502292E-13 -2.366703423624975E-14 -2.306515929978498E-13 -2.85957657462114E-15
q -8.650800475198488E-15 2.258869178154334E-14 1.708713865167978E-12 5.992721777066882E-14 6.05749260004923E-13 7.297439803374318E-15
tp -6.586618621502292E-13 1.708713865167978E-12 3.485803556768551E-9 -3.964426912844122E-12 9.333442257593885E-10 -2.217312954866115E-12
node -2.366703423624975E-14 5.992721777066882E-14 -3.964426912844122E-12 7.560719131012074E-10 -7.400458389230574E-10 -2.76683042912752E-11
peri -2.306515929978498E-13 6.05749260004923E-13 9.333442257593885E-10 -7.400458389230574E-10 9.888509331444065E-10 2.670417418291949E-11
i -2.85957657462114E-15 7.297439803374318E-15 -2.217312954866115E-12 -2.76683042912752E-11 2.670417418291949E-11 2.594533336445424E-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 14.8   n/a MPO337987  

100693 (1997 YP9)          Discovered 1997-Dec-26 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 YP9 = 2001 QR149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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