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100243 (1994 PO37)
Classification: Main-belt Asteroid          SPK-ID: 2100243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2439369309595761 4.9869e-08  
a 2.334664800563347 7.811e-09 au
q 1.765153834294573 1.1906e-07 au
i 1.86000441038612 4.8963e-06 deg
node 199.2019527150121 0.00010868 deg
peri 158.6861301668924 0.00010894 deg
M 120.2455863925017 6.2131e-06 deg
tp 2458765.286985391206
(2019-Oct-08.78698539)
2.23e-05 TDB
period 1302.972441314785
3.57
6.5389e-06
1.79e-08
d
yr
n .2762913386231994 1.3866e-09 deg/d
Q 2.90417576683212 9.7164e-09 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      12212 days (33.43 yr)  
   first obs. used      1987-09-29  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53825  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:17  

Additional Information
 Earth MOID = .759823 au 
 Jupiter MOID = 2.54975 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2453678717909362 4.9972e-08  
q 1.761032920260226 1.1941e-07 au
tp 2457462.478596761576
(2016-Mar-14.97859676)
2.2611e-05 TDB
node 199.2400298364703 0.00010864 deg
peri 158.6114951820332 0.0001089 deg
i 1.859869014480201 4.9022e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      12212 days (33.43 yr)  
   first obs. used      1987-09-29  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53825  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:17  

Additional Information
 Jupiter MOID = 2.54975 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.49716363526758E-15 -5.961420349847086E-15 4.406729679776329E-14 -2.267281003351385E-15 1.326819845951116E-14 -1.291859777202552E-15
q -5.961420349847086E-15 1.425982845240262E-14 -1.364772212072072E-13 5.267475759860943E-15 -4.270859035877384E-14 3.115849771587114E-15
tp 4.406729679776329E-14 -1.364772212072072E-13 5.112696685204987E-10 4.235953499666968E-13 1.767040310800958E-10 1.385107563923835E-14
node -2.267281003351385E-15 5.267475759860943E-15 4.235953499666968E-13 1.180305428986666E-8 -1.179610326390108E-8 -1.788420357933151E-10
peri 1.326819845951116E-14 -4.270859035877384E-14 1.767040310800958E-10 -1.179610326390108E-8 1.185861048448854E-8 1.787668702976138E-10
i -1.291859777202552E-15 3.115849771587114E-15 1.385107563923835E-14 -1.788420357933151E-10 1.787668702976138E-10 2.403141900681293E-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 16.2   n/a MPO257471  

100243 (1994 PO37)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 PO37 = 1987 SN5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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