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11919 (1992 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2011919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599402381485081 2.5217e-08  
a 2.349149769927714 1.1164e-08 au
q 1.738511219286191 5.99e-08 au
i 26.20243783761899 6.4497e-07 deg
node 45.66872173222202 2.6928e-06 deg
peri 337.1639177699926 5.4298e-06 deg
M 353.2048673240723 8.6023e-06 deg
tp 2459421.323323440273
(2021-Jul-25.82332344)
3.1547e-05 TDB
period 1315.1172853705
3.60
9.3751e-06
2.567e-08
d
yr
n .2737398435901323 1.9514e-09 deg/d
Q 2.959788320569237 1.4066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1992-10-25  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:41:09  

Additional Information
 Earth MOID = .760939 au 
 Jupiter MOID = 2.51616 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457471.5 (2016-Mar-24.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2600354991493497 2.5156e-08  
q 1.738319845433232 5.977e-08 au
tp 2458107.440429232573
(2017-Dec-19.94042923)
2.6084e-05 TDB
node 45.70686167448547 2.6918e-06 deg
peri 337.3216278348693 5.4314e-06 deg
i 26.20855225153024 6.4477e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1992-10-25  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:41:09  

Additional Information
 Jupiter MOID = 2.51616 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.328054514818859E-16 -1.489303678950369E-15 3.800381612404021E-13 1.424101501532843E-14 2.696544633131247E-14 -1.948767188462976E-15
q -1.489303678950369E-15 3.572509736223489E-15 -7.91375643319493E-13 -3.301304807726811E-14 -5.243374915429501E-14 4.572910489891671E-15
tp 3.800381612404021E-13 -7.91375643319493E-13 6.803550231542062E-10 7.89685349904495E-12 1.10791737730314E-10 -3.909350406058515E-12
node 1.424101501532843E-14 -3.301304807726811E-14 7.89685349904495E-12 7.245632821386161E-12 -5.607666311790784E-12 2.696049108672897E-13
peri 2.696544633131247E-14 -5.243374915429501E-14 1.10791737730314E-10 -5.607666311790784E-12 2.949963365781664E-11 -1.090188054998746E-12
i -1.948767188462976E-15 4.572910489891671E-15 -3.909350406058515E-12 2.696049108672897E-13 -1.090188054998746E-12 4.157273685379518E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.34   n/a E2021B10  
diameter diameter 3.284 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11919 (1992 UD2)          Discovered 1992-Oct-25 by Natori, A., Urata, T. at Yakiimo
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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