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452084 (2014 PH18)
Classification: Main-belt Asteroid          SPK-ID: 2452084
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108349736322548 5.7398e-08  
a 3.153394309848538 4.8443e-08 au
q 2.811724867855426 2.0274e-07 au
i 10.16689361683912 5.8586e-06 deg
node 135.2122649322187 3.471e-05 deg
peri 267.391158601117 5.4285e-05 deg
M 307.7344783529498 3.5098e-05 deg
tp 2459297.446789966690
(2021-Mar-23.94678997)
0.00019703 TDB
period 2045.341575463676
5.60
4.7131e-05
1.29e-07
d
yr
n .1760097209769906 4.0558e-09 deg/d
Q 3.495063751841651 5.3691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      2000-01-30  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:07:33  

Additional Information
 Earth MOID = 1.84392 au 
 Jupiter MOID = 1.93576 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458066.5 (2017-Nov-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096619956142087 5.8136e-08  
q 2.811120503839313 2.0317e-07 au
tp 2457233.100037700020
(2015-Jul-29.60003770)
0.00021017 TDB
node 135.6552190525133 3.4815e-05 deg
peri 264.5720275104773 5.3404e-05 deg
i 10.14324218850552 5.8644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      2000-01-30  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:07:33  

Additional Information
 Jupiter MOID = 1.93576 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.379747260949169E-15 -1.160270325421693E-14 -1.168805710908328E-12 -1.995893644097549E-15 -2.415593283453783E-13 -1.262491776871372E-14
q -1.160270325421693E-14 4.128001125789783E-14 -2.588108345695645E-13 3.671419685488493E-14 8.963947770617031E-14 5.173179696360676E-14
tp -1.168805710908328E-12 -2.588108345695645E-13 4.417005652792397E-8 -1.200506301037535E-10 8.545703699359159E-9 -1.534925310532039E-11
node -1.995893644097549E-15 3.671419685488493E-14 -1.200506301037535E-10 1.212060676760307E-9 -1.215746364591466E-9 9.359584818173555E-11
peri -2.415593283453783E-13 8.963947770617031E-14 8.545703699359159E-9 -1.215746364591466E-9 2.85199681299777E-9 -9.489872241691954E-11
i -1.262491776871372E-14 5.173179696360676E-14 -1.534925310532039E-11 9.359584818173555E-11 -9.489872241691954E-11 3.439080524491196E-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 16.3   n/a MPO450472  

452084 (2014 PH18)          Discovered 2012-Mar-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-11-30

[ show close-approach data ]
Alternate Designations
 2014 PH18 = 2012 FP74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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