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 ]  
1532 Inari (1938 SM)
Classification: Main-belt Asteroid          SPK-ID: 2001532
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05100670427935711 4.1171e-08  
a 3.005249068354171 1.4059e-08 au
q 2.851961217838817 1.2082e-07 au
i 8.778204854437327 5.1509e-06 deg
node 330.6070396999514 2.9805e-05 deg
peri 122.9925860535201 6.3245e-05 deg
M 154.9921555301548 5.4843e-05 deg
tp 2458181.231322557271
(2018-Mar-03.73132256)
0.00028871 TDB
period 1902.913878902732
5.21
1.3354e-05
3.656e-08
d
yr
n .1891835484470716 1.3276e-09 deg/d
Q 3.158536918869526 1.4777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2286  
   data-arc span      30746 days (84.18 yr)  
   first obs. used      1936-04-12  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:32:42  

Additional Information
 Earth MOID = 1.88015 au 
 Jupiter MOID = 1.93178 au 
 T_jup = 3.232 
[ 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 10.8   n/a MPO473784  
diameter diameter 24.439 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 25. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.078   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.840   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.19 deg.
U-B UB 0.360   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.19 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1532 Inari (1938 SM)          Discovered 1938-Sep-16 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1938 SM = 1933 SZ = 1935 BJ = 1936 FP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 15:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin