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78278 (2002 PX35)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078278
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388812507270527 4.2888e-08  
a 3.2135184517235 2.7423e-08 au
q 2.767220989913679 1.3439e-07 au
i 4.655294538220537 5.4992e-06 deg
node 185.5093499016265 5.4525e-05 deg
peri 85.49560671007687 5.7865e-05 deg
M 74.62602472174477 2.0308e-05 deg
tp 2458564.328353524519
(2019-Mar-21.82835352)
0.00011738 TDB
period 2104.115733306906
5.76
2.6933e-05
7.374e-08
d
yr
n .1710932503860948 2.1901e-09 deg/d
Q 3.659815913533322 3.1231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      10634 days (29.11 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:20  

Additional Information
 Earth MOID = 1.75628 au 
 Jupiter MOID = 1.4625 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457397.5 (2016-Jan-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397929203050173 4.2431e-08  
q 2.76411955614901 1.3298e-07 au
tp 2456465.886118203703
(2013-Jun-22.38611820)
0.00011532 TDB
node 185.5997777828734 5.4436e-05 deg
peri 86.55191913939234 5.7785e-05 deg
i 4.658557527064678 5.5053e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      10634 days (29.11 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:20  

Additional Information
 Jupiter MOID = 1.4625 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.800423925415001E-15 -5.557727467921177E-15 1.801191889027153E-13 -1.655635730196917E-15 -9.710269319077321E-15 -4.785837679627952E-16
q -5.557727467921177E-15 1.768329121808875E-14 -7.074528254803726E-13 5.152840314783198E-15 4.603739911237269E-14 1.878077654337778E-15
tp 1.801191889027153E-13 -7.074528254803726E-13 1.329784507760562E-8 5.655493744287098E-12 2.24720323025132E-9 -2.463253650480499E-12
node -1.655635730196917E-15 5.152840314783198E-15 5.655493744287098E-12 2.96323424296415E-9 -2.952028977230449E-9 -4.65271137591412E-12
peri -9.710269319077321E-15 4.603739911237269E-14 2.24720323025132E-9 -2.952028977230449E-9 3.339108311470549E-9 4.256269420029901E-12
i -4.785837679627952E-16 1.878077654337778E-15 -2.463253650480499E-12 -4.65271137591412E-12 4.256269420029901E-12 3.030790709259964E-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 15.3   n/a MPO432333  
diameter diameter 5.408 km 0.739 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78278 (2002 PX35)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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