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172166 (2002 NU56)
Classification: Main-belt Asteroid          SPK-ID: 2172166
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2601702036789444 3.8674e-08  
a 2.557444473783296 1.9077e-08 au
q 1.892073624141505 9.3116e-08 au
i 2.324628094509802 4.5256e-06 deg
node 4.417609029925766 0.00013758 deg
peri 334.3629083893125 0.00013829 deg
M 146.9951628607868 1.5909e-05 deg
tp 2458590.530261247234
(2019-Apr-17.03026125)
6.4771e-05 TDB
period 1493.852598122293
4.09
1.6715e-05
4.576e-08
d
yr
n .2409876318804842 2.6964e-09 deg/d
Q 3.222815323425087 2.404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      8277 days (22.66 yr)  
   first obs. used      1998-07-21  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:01:39  

Additional Information
 Earth MOID = .881703 au 
 Jupiter MOID = 2.17819 au 
 T_jup = 3.387 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.59   n/a MPCxxxxx  

172166 (2002 NU56)          Discovered 2002-Jul-01 by Tristram, P. J. at Lake Tekapo
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2002 NU56 = 2000 AF94 = 2003 YQ77 = 2005 EX53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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