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JPL Small-Body Database Browser
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20163 (1996 UG)
Classification: Main-belt Asteroid          SPK-ID: 2020163
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845079094109038 4.8983e-08  
a 2.314027950695094 6.6896e-09 au
q 1.887071491193944 1.1488e-07 au
i 8.160287898934472 4.8013e-06 deg
node 38.00519073646313 2.4193e-05 deg
peri 346.1204512062661 2.6051e-05 deg
M 150.4027956520021 9.0003e-06 deg
tp 2458063.338676002046
(2017-Nov-05.83867600)
3.1519e-05 TDB
period 1285.734588914798
3.52
5.5754e-06
1.526e-08
d
yr
n .2799955784839325 1.2142e-09 deg/d
Q 2.740984410196244 7.9239e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1513  
   data-arc span      10765 days (29.47 yr)  
   first obs. used      1989-11-04  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:37:28  

Additional Information
 Earth MOID = .891629 au 
 Jupiter MOID = 2.7089 au 
 T_jup = 3.546 
[ 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 14.7   n/a MPO365493  
diameter diameter 3.061 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.08 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D.; French, L.M.; James, D.; Rohl, D.; Warner, B.D. (2017) Minor Planet Bull. 44, 42-49.]
geometric albedo albedo 0.272   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20163 (1996 UG)          Discovered 1996-Oct-16 by Kobayashi, T. at Oizumi
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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