Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
4543 Phoinix (1989 CQ1)
Classification: Jupiter Trojan          SPK-ID: 2004543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09620723019422878 4.7772e-08  
a 5.128914165263325 7.8769e-08 au
q 4.635475539519396 2.8374e-07 au
i 14.70709214385213 5.732e-06 deg
node 325.3775448448421 1.853e-05 deg
peri 84.64061371290475 3.5765e-05 deg
M 328.7993375025305 2.8841e-05 deg
tp 2459368.203605462372
(2021-Jun-02.70360546)
0.00033865 TDB
period 4242.643821335206
11.62
9.7737e-05
2.676e-07
d
yr
n .0848527510581136 1.9547e-09 deg/d
Q 5.622352791007254 8.6347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1845  
   data-arc span      23952 days (65.58 yr)  
   first obs. used      1955-04-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:18:00  

Additional Information
 Earth MOID = 3.68612 au 
 Jupiter MOID = .0235158 au 
 T_jup = 2.926 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457181.5 (2015-Jun-08.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09602005027299805 4.7698e-08  
q 4.627122362195774 2.8278e-07 au
tp 2455146.291460215316
(2009-Nov-10.79146022)
0.00036582 TDB
node 325.400970466397 1.8534e-05 deg
peri 85.48536764445001 3.5888e-05 deg
i 14.71119303011019 5.7347e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1845  
   data-arc span      23952 days (65.58 yr)  
   first obs. used      1955-04-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:18:00  

Additional Information
 Jupiter MOID = .0235158 au 
 T_jup = 2.926 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.275069851838198E-15 -1.313781833189748E-14 -1.531749510205187E-12 1.595502231553263E-15 -1.828218238929718E-13 -1.929554370829783E-15
q -1.313781833189748E-14 7.996264421246298E-14 -2.394024022163075E-12 -5.951769343518239E-15 3.075391530210646E-13 1.292277821318153E-14
tp -1.531749510205187E-12 -2.394024022163075E-12 1.338221723195197E-7 -1.691336428425862E-11 1.122569132634927E-8 1.369499913192731E-12
node 1.595502231553263E-15 -5.951769343518239E-15 -1.691336428425862E-11 3.434932186033005E-10 -3.334633234634234E-10 3.442802280812022E-11
peri -1.828218238929718E-13 3.075391530210646E-13 1.122569132634927E-8 -3.334633234634234E-10 1.287913680446823E-9 -3.3067220381411E-11
i -1.929554370829783E-15 1.292277821318153E-14 1.369499913192731E-12 3.442802280812022E-11 -3.3067220381411E-11 3.2887191530414E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.7   n/a MPO381294  
diameter diameter 63.836 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 38.866 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
geometric albedo albedo 0.057   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4543 Phoinix (1989 CQ1)          Discovered 1989-Feb-02 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 CQ1 = 1930 DN = 1977 AP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 11:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin