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1658 Innes (1953 NA)
Classification: Main-belt Asteroid          SPK-ID: 2001658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838865940669729 2.8991e-08  
a 2.558600271632284 7.4164e-09 au
q 2.088107982102991 7.4444e-08 au
i 9.09630160620496 3.4823e-06 deg
node 95.41501110299184 2.3917e-05 deg
peri 188.577191949911 2.6356e-05 deg
M 31.90363928356431 1.2453e-05 deg
tp 2458468.023204326638
(2018-Dec-15.52320433)
5.1428e-05 TDB
period 1494.865398223691
4.09
6.4996e-06
1.779e-08
d
yr
n .2408243581179806 1.0471e-09 deg/d
Q 3.029092561161576 8.7802e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2699  
   data-arc span      29066 days (79.58 yr)  
   first obs. used      1940-04-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40451  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:07:07  

Additional Information
 Earth MOID = 1.07153 au 
 Jupiter MOID = 2.12485 au 
 T_jup = 3.395 
[ 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 11.52   n/a PDS3 (MPC 17263)  
diameter diameter 13.352 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.191 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Franco, L.; Papini, R. (2014) Minor Planet Bull. 41, 243-244.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 226-230.]
geometric albedo albedo 0.248   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.960   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=15.50, mean=15.68, max.=15.85) deg.
U-B UB 0.610   0.085 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=15.50, mean=15.68, max.=15.85) deg.
Tholen spectral type spec_T AS   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1658 Innes (1953 NA)          Discovered 1953-Jul-13 by Bruwer, J. A. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1953 NA = 1940 GB = 1948 EM = 1949 QA = 1953 OF = 1953 PN = 1957 OE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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