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23484 (1991 NC1)
Classification: Main-belt Asteroid          SPK-ID: 2023484
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116429463383343 5.3893e-08  
a 2.281620170085101 1.1724e-08 au
q 1.798731354863319 1.2182e-07 au
i 5.692448617741016 5.9969e-06 deg
node 126.118469555662 5.9375e-05 deg
peri 140.2477220968954 6.0972e-05 deg
M 65.52244128508052 1.657e-05 deg
tp 2457171.386321767759
(2015-May-28.88632177)
5.7127e-05 JED
period 1258.819460110495
3.45
9.7025e-06
2.656e-08
d
yr
n .2859822328838167 2.2042e-09 deg/d
Q 2.764508985306883 1.4205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      8913 days (24.40 yr)  
   first obs. used      1991-07-12  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54215  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:53:05  

Additional Information
 Earth MOID = .785737 au 
 Jupiter MOID = 2.33238 au 
 T_jup = 3.569 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a PDS3 (MPO 11100)  

23484 (1991 NC1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 NC1 = 1998 QZ41 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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