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215510 (2002 UN2)
Classification: Main-belt Asteroid          SPK-ID: 2215510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575215090353109 5.9012e-08  
a 3.129553967532261 3.5297e-08 au
q 2.636581903959134 1.9879e-07 au
i 25.86821014544584 1.0744e-05 deg
node 337.9031116543796 1.1271e-05 deg
peri 59.56876477500784 3.5724e-05 deg
M 354.3838747175037 3.2547e-05 deg
tp 2458632.046877626797
(2019-May-28.54687763)
0.000183 TDB
period 2022.190634002166
5.54
3.4211e-05
9.366e-08
d
yr
n .1780247588663366 3.0118e-09 deg/d
Q 3.622526031105386 4.0857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      6242 days (17.09 yr)  
   first obs. used      2002-09-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:59:12  

Additional Information
 Earth MOID = 1.7188 au 
 Jupiter MOID = 2.07272 au 
 T_jup = 3.041 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457086.5 (2015-Mar-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538520354392507 5.7789e-08  
q 2.653426447109401 1.9376e-07 au
tp 2456609.532109183235
(2013-Nov-13.03210918)
0.0001822 TDB
node 337.9415791301205 1.1257e-05 deg
peri 59.92948122473685 3.6616e-05 deg
i 25.8689500538343 1.0745e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      6242 days (17.09 yr)  
   first obs. used      2002-09-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:59:12  

Additional Information
 Jupiter MOID = 2.07272 au 
 T_jup = 3.041 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.339532548428519E-15 -1.108177665947627E-14 -5.641694853784638E-12 5.167059242226374E-15 -1.160310873813481E-12 -6.474799560456364E-16
q -1.108177665947627E-14 3.754153740551449E-14 1.809582560654595E-11 -2.078535178060653E-14 3.777469480967504E-12 4.873842683104513E-15
tp -5.641694853784638E-12 1.809582560654595E-11 3.319608420343505E-8 -5.963835340916193E-12 6.348378820444675E-9 -4.01073657926178E-11
node 5.167059242226374E-15 -2.078535178060653E-14 -5.963835340916193E-12 1.267245276082059E-10 -1.152633304291224E-10 -2.022784221754821E-11
peri -1.160310873813481E-12 3.777469480967504E-12 6.348378820444675E-9 -1.152633304291224E-10 1.340734523954669E-9 1.123546548633519E-11
i -6.474799560456364E-16 4.873842683104513E-15 -4.01073657926178E-11 -2.022784221754821E-11 1.123546548633519E-11 1.154522678161842E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO454548  
diameter diameter 6.906 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215510 (2002 UN2)          Discovered 2002-Oct-28 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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