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 ]  
973 Aralia (A922 FB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000973
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112001074883208 3.1977e-08  
a 3.211927027399585 1.3447e-08 au
q 2.852187747884405 1.0291e-07 au
i 15.82834788535637 4.694e-06 deg
node 348.4388194978209 1.3651e-05 deg
peri 87.85629233916669 2.7661e-05 deg
M 63.63290107752154 2.2074e-05 deg
tp 2458628.856831172305
(2019-May-25.35683117)
0.0001289 TDB
period 2102.552901288866
5.76
1.3204e-05
3.615e-08
d
yr
n .1712204243609376 1.0753e-09 deg/d
Q 3.571666306914766 1.4953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2733  
   data-arc span      35882 days (98.24 yr)  
   first obs. used      1922-03-18  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:23:56  

Additional Information
 Earth MOID = 1.92326 au 
 Jupiter MOID = 1.76072 au 
 T_jup = 3.122 
[ show covariance matrix ]

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 10.1   n/a MPO431503  
diameter diameter 51.609 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.3662 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2002) Minor Planet Bull. 29, 47-48.]
[Alkema, M.S. (2013) Minor Planet Bull. 40, 133-137.]
[Oey, J.; Williams, H.; Groom, R. (2017) Minor Planet Bull. 44, 200-204.]
geometric albedo albedo 0.098   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

973 Aralia (A922 FB)          Discovered 1922-Mar-18 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A922 FB = 1954 SE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-26 10:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin