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201377 (2002 UN15)
Classification: Outer Main-belt Asteroid          SPK-ID: 2201377
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07476962104841638 4.0976e-08  
a 3.244929280685189 3.4377e-08 au
q 3.002307148039447 1.3449e-07 au
i 20.61916568377237 4.9554e-06 deg
node 201.582889235127 1.3042e-05 deg
peri 133.2908973604906 3.6438e-05 deg
M 61.77038397610812 3.263e-05 deg
tp 2458634.160218898365
(2019-May-30.66021890)
0.00019439 TDB
period 2135.04130470678
5.85
3.3928e-05
9.289e-08
d
yr
n .1686150048743161 2.6795e-09 deg/d
Q 3.487551413330931 3.6948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      8806 days (24.11 yr)  
   first obs. used      1996-09-12  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:05:59  

Additional Information
 Earth MOID = 2.02967 au 
 Jupiter MOID = 1.87284 au 
 T_jup = 3.078 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0780527849308931 4.1808e-08  
q 2.992007060202341 1.3732e-07 au
tp 2456481.357668005660
(2013-Jul-07.85766801)
0.0001894 TDB
node 201.6554433011265 1.3054e-05 deg
peri 130.7001589057367 3.4485e-05 deg
i 20.60345348741346 4.9551e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      8806 days (24.11 yr)  
   first obs. used      1996-09-12  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:05:59  

Additional Information
 Jupiter MOID = 1.87284 au 
 T_jup = 3.078 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.747935139744218E-15 -5.590222144424442E-15 -1.377481892352436E-13 -2.470794944949178E-15 -3.756238539803192E-14 -5.772179815812834E-16
q -5.590222144424442E-15 1.885748393750902E-14 -1.255164969440309E-12 9.247126022177852E-15 -9.034914928335772E-14 3.454182127041196E-15
tp -1.377481892352436E-13 -1.255164969440309E-12 3.587293762573925E-8 -7.990781079541885E-12 6.053474349248919E-9 6.575658952332584E-12
node -2.470794944949178E-15 9.247126022177852E-15 -7.990781079541885E-12 1.703978038099191E-10 -1.609226945193687E-10 5.74284365933981E-13
peri -3.756238539803192E-14 -9.034914928335772E-14 6.053474349248919E-9 -1.609226945193687E-10 1.189183362275792E-9 6.050142896345391E-13
i -5.772179815812834E-16 3.454182127041196E-15 6.575658952332584E-12 5.74284365933981E-13 6.050142896345391E-13 2.455302644130599E-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 MPO454426  
diameter diameter 7.279 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.787 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.044   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201377 (2002 UN15)          Discovered 2002-Oct-30 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 UN15 = 2000 GF128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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