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15201 (1976 UY)
Classification: Main-belt Asteroid          SPK-ID: 2015201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133677272646675 3.2587e-08  
a 2.641199774142667 9.3773e-09 au
q 2.077652981081893 8.6103e-08 au
i 11.18318284027483 3.2344e-06 deg
node 237.704437296255 2.2291e-05 deg
peri 154.0223464182972 2.417e-05 deg
M 148.319739541111 9.806e-06 deg
tp 2458554.553190547566
(2019-Mar-12.05319055)
4.1395e-05 TDB
period 1567.834814990495
4.29
8.3496e-06
2.286e-08
d
yr
n .2296160262279814 1.2228e-09 deg/d
Q 3.204746567203441 1.1378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1827  
   data-arc span      16220 days (44.41 yr)  
   first obs. used      1976-10-25  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:59:35  

Additional Information
 Earth MOID = 1.08954 au 
 Jupiter MOID = 2.25057 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108814901436343 3.2508e-08  
q 2.085364347985045 8.5701e-08 au
tp 2456982.457528056757
(2014-Nov-20.95752806)
4.0336e-05 TDB
node 237.904992430597 2.2365e-05 deg
peri 153.3863747463496 2.4297e-05 deg
i 11.15589029040654 3.2281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1827  
   data-arc span      16220 days (44.41 yr)  
   first obs. used      1976-10-25  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:59:35  

Additional Information
 Jupiter MOID = 2.25057 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.056776080403175E-15 -2.7755157099986E-15 -4.898479388230483E-13 -4.049040604614416E-15 -1.313805988669195E-13 -1.985845904692082E-16
q -2.7755157099986E-15 7.344608870667321E-15 1.341667599289443E-12 1.209926365074972E-14 3.575976337835954E-13 6.931419525126378E-16
tp -4.898479388230483E-13 1.341667599289443E-12 1.627019528188303E-9 5.660617889311496E-12 4.077942499216941E-10 8.361711674265113E-15
node -4.049040604614416E-15 1.209926365074972E-14 5.660617889311496E-12 5.002120208831463E-10 -4.891214826799116E-10 -9.332609485248616E-12
peri -1.313805988669195E-13 3.575976337835954E-13 4.077942499216941E-10 -4.891214826799116E-10 5.903399948397448E-10 9.155242390088278E-12
i -1.985845904692082E-16 6.931419525126378E-16 8.361711674265113E-15 -9.332609485248616E-12 9.155242390088278E-12 1.042080267182675E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.88   n/a MPCxxxxx  
diameter diameter 4.037 km 1.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.786 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 0.267   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15201 (1976 UY)          Discovered 1976-Oct-31 by West, R. M. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1976 UY = 1993 XU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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