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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114556234177827 5.4589e-08  
a 2.28210820632013 1.6327e-08 AU
q 1.799543592845869 1.2486e-07 AU
i 5.69230260822818 6.0588e-06 deg
node 126.1180477453396 6.3286e-05 deg
peri 140.1488532045525 6.5787e-05 deg
M 254.0260623255915 2.4196e-05 deg
tp 2457171.180164288211
(2015-May-28.68016429)
8.7507e-05 JED
period 1259.223372011978
3.45
1.3514e-05
3.7e-08
d
yr
n .285890500447744 3.0681e-09 deg/d
Q 2.764672819794392 1.978e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      8289 days (22.69 yr)  
   first obs. used      1991-07-12  
   last obs. used      2014-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5407  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:32:58  

Additional Information
 Earth MOID = .787669 AU 
 T_jup = 3.568 
[ 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 (675)
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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