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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839683466954401 4.9071e-08  
a 2.315341962002662 6.6711e-09 au
q 1.889392329218456 1.1523e-07 au
i 8.15639429709665 4.799e-06 deg
node 37.99282070074725 2.4206e-05 deg
peri 345.9975469955437 2.6071e-05 deg
M 262.5091050130227 9.1799e-06 deg
tp 2459348.983883251323
(2021-May-14.48388325)
3.3405e-05 TDB
period 1286.829893060621
3.52
5.5616e-06
1.523e-08
d
yr
n .2797572561387807 1.2091e-09 deg/d
Q 2.741291594786868 7.8984e-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 = .894647 au 
 Jupiter MOID = 2.7114 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456788.5 (2014-May-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831373501611492 4.8828e-08  
q 1.890712200520983 1.1438e-07 au
tp 2456776.794106870636
(2014-Apr-29.29410687)
3.1243e-05 TDB
node 38.07733082617376 2.4214e-05 deg
peri 346.0620151723807 2.6115e-05 deg
i 8.155530067984426 4.7972e-06 deg
  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
 Jupiter MOID = 2.7114 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.384174290548672E-15 -5.579088290636724E-15 -4.432114774272707E-13 -1.699401744478581E-14 -1.622237992880412E-13 -4.78882557305917E-15
q -5.579088290636724E-15 1.308334721780908E-14 1.033427089687426E-12 3.986161576643638E-14 3.784938275088613E-13 1.132136102994207E-14
tp -4.432114774272707E-13 1.033427089687426E-12 9.76097123675825E-10 8.677081961125584E-12 3.146026262808964E-10 -1.360847710152575E-12
node -1.699401744478581E-14 3.986161576643638E-14 8.677081961125584E-12 5.86306433403482E-10 -5.766969516670503E-10 -3.872161392521316E-11
peri -1.622237992880412E-13 3.784938275088613E-13 3.146026262808964E-10 -5.766969516670503E-10 6.820128947670415E-10 3.794630145683714E-11
i -4.78882557305917E-15 1.132136102994207E-14 -1.360847710152575E-12 -3.872161392521316E-11 3.794630145683714E-11 2.301288094916975E-11

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-August); 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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