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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120591252042678 1.3743e-08  
a 3.211219367200655 1.2909e-08 au
q 2.851372934073148 4.539e-08 au
i 15.83015081998576 3.4558e-07 deg
node 348.4386867958799 1.094e-06 deg
peri 87.73844766050019 6.9681e-06 deg
M 97.99317942550641 8.8222e-06 deg
tp 2458628.367344664131
(2019-May-24.86734466)
4.9849e-05 TDB
period 2101.858079597138
5.75
1.2674e-05
3.47e-08
d
yr
n .1712770255492231 1.0328e-09 deg/d
Q 3.571065800328163 1.4356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2998  
   data-arc span      36165 days (99.01 yr)  
   first obs. used      1922-03-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:03:42  

Additional Information
 Earth MOID = 1.92198 au 
 Jupiter MOID = 1.76154 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 10.13   n/a MPCxxxxx  
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. 2020-October); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2070-Feb-13 03:27 < 00:01 Jupiter 1.9318602018806 1.93185982644167 1.93186057732128 5.55863750511857 5.47919269271779 2477155.643673521 0.885451377711717 95.6667697575573 4.93873774320216 79.1106464271102 25277496.5358745 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:05:27 2021-May-03 19:05
2081-Jun-17 04:00 00:01 Jupiter 1.83508520904292 1.83508500677818 1.83508541130901 5.44292514173172 5.35745197522025 2481297.666905086 1.03475528004198 86.5942186074286 4.17014302754273 84.1945176480508 22258730.197396 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:05:27 2021-May-03 19:05
2092-Nov-03 08:37 00:01 Jupiter 1.818400582137 1.81840038961769 1.81840077465725 5.1980356065245 5.10763756508364 2485454.858723899 1.23593034785648 75.8395473990112 4.68217769276224 83.1815536925186 15616510.2204522 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:05:27 2021-May-03 19:05
2104-Mar-28 18:43 00:02 Jupiter 1.87354409740627 1.87354355761673 1.87354463719964 4.82968198295153 4.73514891941713 2489617.279678891 1.52217646679106 140.872308681777 5.9394138703916 78.4137268563799 16648132.3671358 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:05:27 2021-May-03 19:05
2115-Aug-17 14:15 00:02 Jupiter 1.97097783773496 1.97097696811354 1.97097870735985 4.30974786102763 4.20885161499585 2493776.094034434 1.92450398131621 142.985171980937 7.46821862177207 70.4542189891477 17720022.0915196 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:05:27 2021-May-03 19:05

Alternate Designations
 A922 FB = 1954 SE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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