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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05637136352679834 5.3779e-08  
a 3.051372066830121 2.7442e-08 au
q 2.879362062795322 1.7571e-07 au
i 8.698167947909026 6.1385e-06 deg
node 337.8896187812479 2.702e-05 deg
peri 333.1257242815478 5.2749e-05 deg
M 322.2565617790467 4.6733e-05 deg
tp 2459204.617450389829
(2020-Dec-21.11745039)
0.00025379 TDB
period 1946.888932326911
5.33
2.6263e-05
7.19e-08
d
yr
n .1849103942307227 2.4944e-09 deg/d
Q 3.22338207086492 2.8988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:23  

Additional Information
 Earth MOID = 1.86871 au 
 Jupiter MOID = 2.02971 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05510854505751613 5.4185e-08  
q 2.881103961392482 1.7608e-07 au
tp 2457270.459812079110
(2015-Sep-04.95981208)
0.00024699 TDB
node 337.9584944997918 2.703e-05 deg
peri 335.0487914912075 5.3156e-05 deg
i 8.698006545777554 6.1386e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:23  

Additional Information
 Jupiter MOID = 2.02971 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.935995316220185E-15 -9.448016799861174E-15 3.106815479639427E-12 4.055944232233019E-15 6.261436131026175E-13 3.4397983469129E-15
q -9.448016799861174E-15 3.10024356306685E-14 -7.416241925027996E-12 -1.604642899506515E-14 -1.553855906620542E-12 -8.335865925074714E-15
tp 3.106815479639427E-12 -7.416241925027996E-12 6.100253444097334E-8 -3.531205926414676E-11 1.131712353503056E-8 1.874475952533707E-11
node 4.055944232233019E-15 -1.604642899506515E-14 -3.531205926414676E-11 7.305992421805139E-10 -7.281435630259113E-10 2.3232299539644E-11
peri 6.261436131026175E-13 -1.553855906620542E-12 1.131712353503056E-8 -7.281435630259113E-10 2.825612043397979E-9 -1.942433994930702E-11
i 3.4397983469129E-15 -8.335865925074714E-15 1.874475952533707E-11 2.3232299539644E-11 -1.942433994930702E-11 3.76829383725392E-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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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