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100185 (1994 AC13)
Classification: Main-belt Asteroid          SPK-ID: 2100185
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660350750383855 5.8158e-08  
a 2.358947934589489 1.2566e-08 au
q 1.967279837258279 1.3589e-07 au
i 2.544702424253598 5.188e-06 deg
node 45.49800555150686 0.00013222 deg
peri 139.5559633104222 0.00013307 deg
M 111.098187953724 1.3921e-05 deg
tp 2458792.104982617902
(2019-Nov-04.60498262)		 5.0561e-05 TDB
period 1323.35377349984
3.62		 1.0574e-05
2.895e-08		 d
yr
n .2720361004056513 2.1736e-09 deg/d
Q 2.750616031920699 1.4652e-08 au
   Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      9129 days (24.99 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:36:14  

Additional Information
 Earth MOID = .96921 au 
 Jupiter MOID = 2.20455 au 
 T_jup = 3.532 
[ 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 17.3   n/a MPO417504  

100185 (1994 AC13)          Discovered 1994-Jan-11 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 AC13 = 1998 HA81 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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