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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435479990863197 1.5143e-08  
a 2.800945162864712 1.1526e-08 au
q 2.398875089184977 4.2383e-08 au
i 8.505542125903579 6.229e-07 deg
node 193.1618474392217 1.9635e-06 deg
peri 237.6938102425863 7.0908e-06 deg
M 214.955296634026 9.7499e-06 deg
tp 2460086.350065190188
(2023-May-21.85006519)
4.9143e-05 TDB
period 1712.203325631586
4.69
1.0569e-05
2.894e-08
d
yr
n .2102554028548015 1.2978e-09 deg/d
Q 3.203015236544448 1.318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2709  
   data-arc span      21852 days (59.83 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:19:10  

Additional Information
 Earth MOID = 1.4251 au 
 Jupiter MOID = 2.15405 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442074878918626 1.5241e-08  
q 2.397378204717438 4.265e-08 au
tp 2456666.321113297344
(2014-Jan-08.82111330)
3.7732e-05 TDB
node 193.1927232212206 1.9643e-06 deg
peri 238.4274967879764 7.0154e-06 deg
i 8.50355722730634 6.2275e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2709  
   data-arc span      21852 days (59.83 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:19:10  

Additional Information
 Jupiter MOID = 2.15405 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.322795993108689E-16 -6.32166896081828E-16 4.019099443635687E-13 8.44272292522705E-16 5.780183017231403E-14 9.467498341950393E-16
q -6.32166896081828E-16 1.819042309932341E-15 -1.01009867375364E-12 -3.171028991901538E-15 -1.3477672638345E-13 -2.901824984920016E-15
tp 4.019099443635687E-13 -1.01009867375364E-12 1.423672055949601E-9 -8.718563304719354E-12 2.50939063866955E-10 -6.272279324248494E-12
node 8.44272292522705E-16 -3.171028991901538E-15 -8.718563304719354E-12 3.858548586247627E-12 -5.234260334105015E-12 2.845052312610418E-13
peri 5.780183017231403E-14 -1.3477672638345E-13 2.50939063866955E-10 -5.234260334105015E-12 4.921613865982564E-11 -1.47679644481645E-12
i 9.467498341950393E-16 -2.901824984920016E-15 -6.272279324248494E-12 2.845052312610418E-13 -1.47679644481645E-12 3.878207603635273E-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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