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 ]  
1403 Idelsonia (1936 QA)
Classification: Main-belt Asteroid          SPK-ID: 2001403
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2950100068688888 3.492e-08  
a 2.715381326398842 8.0314e-09 au
q 1.914316662646268 9.4371e-08 au
i 10.18266639888405 3.8205e-06 deg
node 156.9792242088682 1.9596e-05 deg
peri 192.406239631163 2.029e-05 deg
M 280.3424269176757 7.4447e-06 deg
tp 2459562.133985222116
(2021-Dec-13.63398522)
3.469e-05 TDB
period 1634.348494968775
4.47
7.2509e-06
1.985e-08
d
yr
n .2202712586135908 9.7725e-10 deg/d
Q 3.516445990151417 1.0401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2914  
   data-arc span      30891 days (84.57 yr)  
   first obs. used      1936-08-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:24:07  

Additional Information
 Earth MOID = .907299 au 
 Jupiter MOID = 1.91823 au 
 T_jup = 3.275 
[ 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 11.68   n/a E2021B10  
diameter diameter 26.531 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.458 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Almeida, R.; Angeli, C.A.; Duffard, R.; Lazzaro, D. (2004) Astron. Astrophys. 415, 403-406.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.072   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Cgh   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)

1403 Idelsonia (1936 QA)          Discovered 1936-Aug-13 by Neujmin, G. at Simeis
Provisional designation is associated with an independent discovery Aug. l7 by K. Reinmuth, Heidelberg, which was announced first.
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
1920-Nov-10 01:25 00:01 Jupiter 1.90613193351503 1.90613165589487 1.9061322111352 2.30368358328086 2.10195710013908 2422638.558897711 1.19812590509948 142.611270074645 22.957291778521 89.3480392466111 2681296.4225748 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 12:24:29 2021-Apr-12 12:24
1956-Dec-04 13:33 < 00:01 Jupiter 1.91677382115497 1.91677346122756 1.91677418108369 2.31034025948633 2.11041985114661 2435812.064399524 0.727709999502398 109.927278307848 22.9227675339405 -83.5479825785098 2570949.92798554 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 12:24:29 2021-Apr-12 12:24
1993-Jan-01 14:13 < 00:01 Jupiter 1.99452223624127 1.99452183023631 1.99452264224634 2.27653921093655 2.08165367000057 2448989.092234909 0.300553376002969 55.1917958885924 27.6374509362012 -83.9673171883548 2634799.03046416 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 12:24:29 2021-Apr-12 12:24
2086-Aug-04 09:55 < 00:01 Jupiter 1.9680581859501 1.9680577378744 1.9680586340259 2.34942334042312 2.15847637169913 2483171.912911814 0.925784415153268 83.2345046933413 24.8908815769143 88.5994989218806 2990724.70314502 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 12:24:29 2021-Apr-12 12:24
2122-Sep-01 15:47 00:01 Jupiter 1.90865691693674 1.90865660441033 1.90865722946358 2.32298362868504 2.12336861017824 2496348.157292557 1.35532612296149 145.212002708489 23.0935262470499 89.3794383866592 2628211.04387171 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 12:24:29 2021-Apr-12 12:24
2158-Sep-26 20:46 00:02 Jupiter 1.92287832132935 1.92287789010216 1.92287875256245 2.26742351930553 2.06402883251933 2509522.365129113 1.83698517589009 220.719144498928 26.3633285253002 -84.3289917945484 2409742.15745076 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 12:24:29 2021-Apr-12 12:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-11 17:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin