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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07481790798369893 3.8274e-08  
a 3.245805298582594 3.0657e-08 au
q 3.002960936420239 1.1946e-07 au
i 20.61668104682377 4.3996e-06 deg
node 201.5771867070063 1.2517e-05 deg
peri 133.493772253906 3.4868e-05 deg
M 95.28685128422106 3.1897e-05 deg
tp 2458635.156244523136
(2019-May-31.65624452)
0.0001897 TDB
period 2135.905943251307
5.85
3.026e-05
8.285e-08
d
yr
n .1685467476400214 2.3879e-09 deg/d
Q 3.488649660744949 3.295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8895 days (24.35 yr)  
   first obs. used      1996-09-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:52:57  

Additional Information
 Earth MOID = 2.02848 au 
 Jupiter MOID = 1.87161 au 
 T_jup = 3.077 
[ 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. 2020-October); 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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