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120366 (2005 NC56)
Classification: Main-belt Asteroid          SPK-ID: 2120366
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372218952561663 4.481e-08  
a 2.323766146202929 1.1633e-08 au
q 1.772517936868553 1.0163e-07 au
i 22.94304877407557 4.9885e-06 deg
node 87.31979874033729 1.2285e-05 deg
peri 319.8528415544536 1.6275e-05 deg
M 54.74654505074928 1.1277e-05 deg
tp 2459003.737979495506
(2020-Jun-03.23797950)
3.9837e-05 TDB
period 1293.859316893062
3.54
9.7155e-06
2.66e-08
d
yr
n .2782373595797619 2.0893e-09 deg/d
Q 2.875014355537305 1.4392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      2000-03-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:06  

Additional Information
 Earth MOID = .82626 au 
 Jupiter MOID = 2.55033 au 
 T_jup = 3.435 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458006.5 (2017-Sep-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2377721398319562 4.5119e-08  
q 1.770953318704316 1.0243e-07 au
tp 2457707.903578213428
(2016-Nov-15.40357821)
3.5998e-05 TDB
node 87.36737555134833 1.2305e-05 deg
peri 319.3959191181622 1.6208e-05 deg
i 22.92385493416714 4.984e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      2000-03-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:06  

Additional Information
 Jupiter MOID = 2.55033 au 
 T_jup = 3.435 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.035762796678522E-15 -4.605623435474192E-15 -6.01342082095812E-14 -3.275598859960386E-14 -6.710214566929439E-14 -9.800020423972594E-15
q -4.605623435474192E-15 1.049118993203043E-14 2.210913699421634E-13 7.767046493558083E-14 1.783616113310034E-13 2.177104149420468E-14
tp -6.01342082095812E-14 2.210913699421634E-13 1.295879857910332E-9 1.35464767682966E-11 3.966150245878332E-10 -6.596006523690851E-12
node -3.275598859960386E-14 7.767046493558083E-14 1.35464767682966E-11 1.514086787567772E-10 -1.341511242256772E-10 1.118823396981687E-11
peri -6.710214566929439E-14 1.783616113310034E-13 3.966150245878332E-10 -1.341511242256772E-10 2.627097246428802E-10 -1.194930134035425E-11
i -9.800020423972594E-15 2.177104149420468E-14 -6.596006523690851E-12 1.118823396981687E-11 -1.194930134035425E-11 2.484046078059605E-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 15.3   n/a MPO436581  
diameter diameter 2.341 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120366 (2005 NC56)          Discovered 2005-Jul-05 by Siding Spring Survey at Siding Spring
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2005 NC56 = 2002 YH33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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