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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01207589994877297 1.667e-08  
a 2.886649475322637 1.1818e-08 au
q 2.851790585071463 5.04e-08 au
i 3.108595639855934 3.1866e-07 deg
node 79.41302897155614 1.62e-05 deg
peri 89.47040185569713 0.00010396 deg
M 256.867940187147 0.00010366 deg
tp 2459909.692964916973
(2022-Nov-26.19296492)
0.00051673 TDB
period 1791.387350406487
4.90
1.1001e-05
3.012e-08
d
yr
n .200961561952702 1.2341e-09 deg/d
Q 2.921508365573811 1.196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2601  
   data-arc span      18061 days (49.45 yr)  
   first obs. used      1971-09-23  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:39:54  

Additional Information
 Earth MOID = 1.85699 au 
 Jupiter MOID = 2.03666 au 
 T_jup = 3.290 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.87   n/a E2021B10  
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

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 ]
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