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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05100670392760766 4.1214e-08  
a 3.005249068479476 1.4204e-08 au
q 2.851961219014825 1.2105e-07 au
i 8.778205738579286 5.3527e-06 deg
node 330.6070408733716 2.9868e-05 deg
peri 122.992583831963 6.656e-05 deg
M 154.9921564894353 5.7944e-05 deg
tp 2458181.231317435398
(2018-Mar-03.73131744)
0.00030543 TDB
period 1902.913879021746
5.21
1.3491e-05
3.694e-08
d
yr
n .1891835484352395 1.3412e-09 deg/d
Q 3.158536917944128 1.4928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2219  
   data-arc span      30695 days (84.04 yr)  
   first obs. used      1936-04-12  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:00  

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 ]
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