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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05000612214152976 4.1098e-08  
a 3.008128705402813 1.3866e-08 au
q 2.857703853942998 1.2053e-07 au
i 8.780686365452329 4.9771e-06 deg
node 330.5779938806052 2.9572e-05 deg
peri 123.2892210059277 6.1666e-05 deg
M 192.5165443832514 5.3703e-05 deg
tp 2460087.068833488348
(2023-May-22.56883349)		 0.00028619 TDB
period 1905.649599123082
5.22		 1.3176e-05
3.607e-08		 d
yr
n .1889119595573396 1.3062e-09 deg/d
Q 3.158553556862628 1.456e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2402  
   data-arc span      30861 days (84.49 yr)  
   first obs. used      1936-04-12  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:04  

Additional Information
 Earth MOID = 1.8856 au 
 Jupiter MOID = 1.92903 au 
 T_jup = 3.231 
[ 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 10.81   n/a E2021B10  
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. 2020-October); 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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