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100220 (1994 PT10)
Classification: Main-belt Asteroid          SPK-ID: 2100220
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05651717590431433 5.3434e-08  
a 3.052669833581649 2.882e-08 au
q 2.880141555619321 1.7524e-07 au
i 8.704867086991607 6.1376e-06 deg
node 337.8405096248764 2.6767e-05 deg
peri 332.2592797926445 5.265e-05 deg
M .05463996901858175 4.695e-05 deg
tp 2459200.204317158538
(2020-Dec-16.70431716)		 0.00025407 TDB
period 1948.131099602605
5.33		 2.7589e-05
7.553e-08		 d
yr
n .1847924916723704 2.617e-09 deg/d
Q 3.225198111543977 3.0449e-08 au
   Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:10  

Additional Information
 Earth MOID = 1.86759 au 
 Jupiter MOID = 2.02519 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05511780618642539 5.4067e-08  
q 2.881144717120984 1.7582e-07 au
tp 2457270.336159032036
(2015-Sep-04.83615903)		 0.00024689 TDB
node 337.9577672606043 2.6822e-05 deg
peri 335.0238608888817 5.3013e-05 deg
i 8.698048271407732 6.1331e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:10  

Additional Information
 Jupiter MOID = 2.02519 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.923283850700119E-15 -9.413966752119726E-15 3.13152669473351E-12 4.574437923897024E-15 6.315028527344119E-13 3.373757224722371E-15
q -9.413966752119726E-15 3.091138339989675E-14 -7.484315763723105E-12 -1.751191420169265E-14 -1.568496654547352E-12 -8.149674257443698E-15
tp 3.13152669473351E-12 -7.484315763723105E-12 6.095506145570631E-8 -3.12535132086264E-11 1.130163901707041E-8 1.848540964312906E-11
node 4.574437923897024E-15 -1.751191420169265E-14 -3.12535132086264E-11 7.194285310229889E-10 -7.163375103086886E-10 2.410135151996655E-11
peri 6.315028527344119E-13 -1.568496654547352E-12 1.130163901707041E-8 -7.163375103086886E-10 2.810421995529597E-9 -2.03294732109203E-11
i 3.373757224722371E-15 -8.149674257443698E-15 1.848540964312906E-11 2.410135151996655E-11 -2.03294732109203E-11 3.761523142970455E-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 14.8   n/a MPO436466  
diameter diameter 3.982 km 0.965 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100220 (1994 PT10)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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