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2470 Agematsu (1976 UW15)
Classification: Main-belt Asteroid          SPK-ID: 2002470
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01198373861884021 4.7535e-08  
a 2.886420442406705 1.2499e-08 au
q 2.851830334280826 1.3615e-07 au
i 3.108697212061612 3.2815e-06 deg
node 79.41243859277341 9.2592e-05 deg
peri 90.89860470522687 0.00017275 deg
M 175.8207444340222 0.00014722 deg
tp 2458125.706740271542
(2018-Jan-07.20674027)
0.00073102 TDB
period 1791.174155905264
4.90
1.1634e-05
3.185e-08
d
yr
n .2009854814023124 1.3055e-09 deg/d
Q 2.921010550532584 1.2649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2378  
   data-arc span      17929 days (49.09 yr)  
   first obs. used      1971-09-23  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:03  

Additional Information
 Earth MOID = 1.8558 au 
 Jupiter MOID = 2.03881 au 
 T_jup = 3.290 
[ 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 11.8   n/a MPO439087  
diameter diameter 11.469 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2470 Agematsu (1976 UW15)          Discovered 1976-Oct-22 by Kosai, H. and Hurukawa, K. at Kiso Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 UW15 = 1940 LA = 1971 SV1 = 1973 AU = 1976 SW5 = 1981 WH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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