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70174 (1999 PJ3)
Classification: Main-belt Asteroid          SPK-ID: 2070174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883905320558295 2.8151e-08  
a 2.362617622390494 8.131e-09 au
q 1.91752283146387 6.7315e-08 au
i 2.606467778179804 4.0345e-06 deg
node 8.003241597387831 7.2592e-05 deg
peri 256.4306892865697 7.3415e-05 deg
M 5.486742836471862 1.0934e-05 deg
tp 2459180.283745796312
(2020-Nov-26.78374580)
4.0264e-05 TDB
period 1326.442979056721
3.63
6.8475e-06
1.875e-08
d
yr
n .2714025447637473 1.4011e-09 deg/d
Q 2.807712413317117 9.6628e-09 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      9622 days (26.34 yr)  
   first obs. used      1994-01-17  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:56  

Additional Information
 Earth MOID = .902156 au 
 Jupiter MOID = 2.27847 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888386197766543 2.8129e-08  
q 1.915963729759406 6.7255e-08 au
tp 2457852.948442522359
(2017-Apr-09.44844252)
3.9158e-05 TDB
node 8.031708853346917 7.2584e-05 deg
peri 256.2982251047516 7.3404e-05 deg
i 2.607546538741456 4.0344e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      9622 days (26.34 yr)  
   first obs. used      1994-01-17  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:56  

Additional Information
 Jupiter MOID = 2.27847 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.912442898478356E-16 -1.882635108703038E-15 8.489895585758724E-14 -3.089484132005511E-15 4.225354714035709E-14 -2.611139438848189E-16
q -1.882635108703038E-15 4.523253523577948E-15 -1.853228574082831E-13 6.555498067510105E-15 -1.014542556641899E-13 6.596569597201434E-16
tp 8.489895585758724E-14 -1.853228574082831E-13 1.533353184373403E-9 -6.156619504831251E-13 4.351791172896619E-10 -5.153527566411979E-13
node -3.089484132005511E-15 6.555498067510105E-15 -6.156619504831251E-13 5.268376490404269E-9 -5.262654588736755E-9 -5.079131975825477E-11
peri 4.225354714035709E-14 -1.014542556641899E-13 4.351791172896619E-10 -5.262654588736755E-9 5.388157328089296E-9 5.059155516563922E-11
i -2.611139438848189E-16 6.596569597201434E-16 -5.153527566411979E-13 -5.079131975825477E-11 5.059155516563922E-11 1.62760544414904E-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 15.72   n/a E2021B10  
diameter diameter 1.735 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70174 (1999 PJ3)          Discovered 1999-Aug-11 by Broughton, J. at Reedy Creek
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 PJ3 = 2002 ET40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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