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 ]  
7119 Hiera (1989 AV2)
Classification: Jupiter Trojan          SPK-ID: 2007119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042466225650107 2.7026e-08  
a 5.134629408061183 9.1745e-08 au
q 4.599361634147825 2.0811e-07 au
i 19.3411727035558 3.2628e-07 deg
node 285.5047026931477 4.8985e-06 deg
peri 122.684118627554 1.4114e-05 deg
M 309.2703780659942 1.6074e-05 deg
tp 2459799.354348681365
(2022-Aug-07.85434868)
0.00019652 TDB
period 4249.737279843113
11.64
0.0001139
3.118e-07
d
yr
n .08471111889845814 2.2704e-09 deg/d
Q 5.669897181974542 1.0131e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1925  
   data-arc span      12112 days (33.16 yr)  
   first obs. used      1987-11-22  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:25:31  

Additional Information
 Earth MOID = 3.65539 au 
 Jupiter MOID = .196326 au 
 T_jup = 2.878 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.86   n/a MPCxxxxx  
diameter diameter 59.150 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 400. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

7119 Hiera (1989 AV2)          Discovered 1989-Jan-11 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-08 02:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin