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1996 Adams (1961 UA)
Classification: Main-belt Asteroid          SPK-ID: 2001996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

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Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385352583788401 4.0661e-08  
a 2.5588730391428 8.0408e-09 au
q 2.204378901506504 1.0518e-07 au
i 15.13061631999181 3.9752e-06 deg
node 1.067506447099221 1.1898e-05 deg
peri 355.2000892534955 1.6672e-05 deg
M 140.6241775264396 1.158e-05 deg
tp 2458416.478239330848
4.7244e-05 TDB
period 1495.104451731741
n .2407858525088473 1.1349e-09 deg/d
Q 2.913367176779096 9.1547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3578  
   data-arc span      21440 days (58.70 yr)  
   first obs. used      1961-10-06  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:39:38  

Additional Information
 Earth MOID = 1.20086 au 
 Jupiter MOID = 2.533 au 
 T_jup = 3.374 
[ 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 11.7   n/a MPO502172  
diameter diameter 12.417 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 3.311 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Ambrosioni, C.; Colazo, C.; Mazzone, F. (2011) Minor Planet Bull. 38, 102.]
[Aymami, J.M. (2011) Minor Planet Bull. 38, 55-56.]
[Aznar, A. (2011) &id=56%3Aanalisis-de-asteroides&catid=38%3Aanalisis-de-asteroides&I temid=55]
[Durkee, R.I. (2011) Minor Planet Bull. 38, 39-40.]
[Mazzone, F. (2011) blog&id=73&Itemid=91]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.183   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

1996 Adams (1961 UA)          Discovered 1961-Oct-16 by Goethe Link Observatory at Brooklyn
Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1961 UA = 1932 RM = 1961 TB2 = 1969 TW2 = 1971 BY1 = 1973 SJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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