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JPL Small-Body Database Browser
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215458 (2002 PJ178)
Classification: Main-belt Asteroid          SPK-ID: 2215458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09582414195859927 5.1386e-08  
a 2.521084887075152 2.0224e-08 au
q 2.279504090966383 1.2865e-07 au
i 4.238487612779974 5.4809e-06 deg
node 161.5811964314647 6.5212e-05 deg
peri 290.5051264724707 6.9729e-05 deg
M 302.0980055863801 2.6232e-05 deg
tp 2458835.663899293099
(2019-Dec-18.16389929)
0.00010709 TDB
period 1462.108595789611
4.00
1.7593e-05
4.817e-08
d
yr
n .2462197411578599 2.9627e-09 deg/d
Q 2.76266568318392 2.2162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2000-01-05  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52811  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:13:38  

Additional Information
 Earth MOID = 1.30036 au 
 Jupiter MOID = 2.38131 au 
 T_jup = 3.446 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456966.5 (2014-Nov-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09445328744370948 5.1415e-08  
q 2.283450309788717 1.2854e-07 au
tp 2457373.371026894613
(2015-Dec-16.87102689)
0.0001066 TDB
node 161.6025767736937 6.5145e-05 deg
peri 290.4947730943498 6.9816e-05 deg
i 4.239062668974516 5.4852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2000-01-05  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52811  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:13:38  

Additional Information
 Jupiter MOID = 2.38131 au 
 T_jup = 3.446 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.643491026822688E-15 -6.542068518751987E-15 1.24738342759744E-12 -9.045001726651931E-15 3.642496813209901E-13 -1.499745177188333E-15
q -6.542068518751987E-15 1.652376132181734E-14 -3.054494228079483E-12 2.129484777583593E-14 -9.127832408188513E-13 4.175259842518404E-15
tp 1.24738342759744E-12 -3.054494228079483E-12 1.136415250376412E-8 4.786073681756156E-11 2.694932641867004E-9 -3.409653585351737E-12
node -9.045001726651931E-15 2.129484777583593E-14 4.786073681756156E-11 4.243830865851984E-9 -4.220613589255128E-9 -1.025841783696379E-10
peri 3.642496813209901E-13 -9.127832408188513E-13 2.694932641867004E-9 -4.220613589255128E-9 4.874263764964939E-9 1.014434308680123E-10
i -1.499745177188333E-15 4.175259842518404E-15 -3.409653585351737E-12 -1.025841783696379E-10 1.014434308680123E-10 3.008699160091717E-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 15.9   n/a MPO450015  

215458 (2002 PJ178)          Discovered 2002-Aug-15 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2002 PJ178 = 2005 HA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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