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3146 Dato (1972 KG)
Classification: Main-belt Asteroid          SPK-ID: 2003146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003026479795278 2.9301e-08  
a 2.433495898671173 7.8696e-09 au
q 1.946060226320016 7.055e-08 au
i 8.365051278934224 3.7789e-06 deg
node 183.2710409809128 2.2951e-05 deg
peri 84.34184974463123 2.4966e-05 deg
M 272.0861733196139 1.113e-05 deg
tp 2459539.109421920568
(2021-Nov-20.60942192)
4.3666e-05 TDB
period 1386.578158343331
3.80
6.726e-06
1.841e-08
d
yr
n .2596319564344821 1.2594e-09 deg/d
Q 2.92093157102233 9.4459e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2475  
   data-arc span      20206 days (55.32 yr)  
   first obs. used      1965-09-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:08:21  

Additional Information
 Earth MOID = .950518 au 
 Jupiter MOID = 2.21837 au 
 T_jup = 3.464 
[ 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 13.59   n/a E2021B10  
diameter diameter 10.650 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.0540 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
[Benishek, V. (2019) Minor Planet Bull. 46, 87-90.]
geometric albedo albedo 0.066   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3146 Dato (1972 KG)          Discovered 1972-May-17 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1972 KG = 1949 HF = 1965 SY = 1980 SB = 1983 EN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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