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2053 Nuki (1976 UO)
Classification: Main-belt Asteroid          SPK-ID: 2002053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435479995581256 1.5186e-08  
a 2.800945163386993 1.1589e-08 au
q 2.398875088310783 4.2439e-08 au
i 8.505542118190911 6.2322e-07 deg
node 193.1618474295727 1.9636e-06 deg
peri 237.6938104446042 7.1014e-06 deg
M 214.9552962467817 9.7856e-06 deg
tp 2460086.350067224918
(2023-May-21.85006722)
4.934e-05 TDB
period 1712.203326110487
4.69
1.0626e-05
2.909e-08
d
yr
n .2102554027959933 1.3049e-09 deg/d
Q 3.203015238463203 1.3252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2645  
   data-arc span      21811 days (59.72 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:06:07  

Additional Information
 Earth MOID = 1.4251 au 
 Jupiter MOID = 2.15405 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441908209528367 1.529e-08  
q 2.397607386173632 4.2727e-08 au
tp 2456666.417020069886
(2014-Jan-08.91702007)
3.7787e-05 TDB
node 193.1946493403861 1.9645e-06 deg
peri 238.456771562104 7.0241e-06 deg
i 8.502957930282149 6.2304e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2645  
   data-arc span      21811 days (59.72 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:06:07  

Additional Information
 Jupiter MOID = 2.15405 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.337889731883647E-16 -6.35250952059255E-16 4.0446847575091E-13 8.310969751429121E-16 5.823127069280642E-14 9.533209871633117E-16
q -6.35250952059255E-16 1.825606485201608E-15 -1.01519420208775E-12 -3.147290148398129E-15 -1.356123947834409E-13 -2.914905513184082E-15
tp 4.0446847575091E-13 -1.01519420208775E-12 1.427819873101225E-9 -8.748978300029003E-12 2.516438156565182E-10 -6.267615902228046E-12
node 8.310969751429121E-16 -3.147290148398129E-15 -8.748978300029003E-12 3.859332524967147E-12 -5.240452281918718E-12 2.846579389296011E-13
peri 5.823127069280642E-14 -1.356123947834409E-13 2.516438156565182E-10 -5.240452281918718E-12 4.933808175893641E-11 -1.476308397302153E-12
i 9.533209871633117E-16 -2.914905513184082E-15 -6.267615902228046E-12 2.846579389296011E-13 -1.476308397302153E-12 3.881777249636114E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.91   n/a E2021B10  
diameter diameter 11.064 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.604 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Percy, S.C. (2019) Minor Planet Bull. 46, 265-266.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.251   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2053 Nuki (1976 UO)          Discovered 1976-Oct-24 by West, R. M. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1976 UO = 1928 RW = 1961 TW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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