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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07460125509327079 4.1818e-08  
a 3.243986123700683 3.557e-08 au
q 3.001980687367457 1.3896e-07 au
i 20.62192703887139 5.0458e-06 deg
node 201.5823029323737 1.324e-05 deg
peri 133.0655243711829 3.6958e-05 deg
M 354.5174194841948 3.3125e-05 deg
tp 2458633.001202245887
(2019-May-29.50120225)
0.00019627 TDB
period 2134.110529665621
5.84
3.5101e-05
9.61e-08
d
yr
n .168688544944486 2.7745e-09 deg/d
Q 3.485991560033908 3.8224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      8476 days (23.21 yr)  
   first obs. used      1996-09-12  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:21:43  

Additional Information
 Earth MOID = 2.02871 au 
 Jupiter MOID = 1.87343 au 
 T_jup = 3.078 
[ 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 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-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:
[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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