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3810 Aoraki (1985 DX)
Classification: Main-belt Asteroid          SPK-ID: 2003810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093029811220092 3.879e-08  
a 2.249415590271271 6.528e-09 au
q 2.003547760472297 8.6871e-08 au
i 6.822363742059713 4.0128e-06 deg
node 243.8518908489025 3.1181e-05 deg
peri 288.2525614760095 3.5333e-05 deg
M 146.861096439763 1.6264e-05 deg
tp 2458497.801900200411
(2019-Jan-14.30190020)
5.5628e-05 TDB
period 1232.261778748736
3.37
5.3642e-06
1.469e-08
d
yr
n .2921457162824214 1.2717e-09 deg/d
Q 2.495283420070245 7.2415e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2137  
   data-arc span      23797 days (65.15 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:01:56  

Additional Information
 Earth MOID = 1.02032 au 
 Jupiter MOID = 2.50744 au 
 T_jup = 3.611 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO435734  
diameter diameter 5.629 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 29.807 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.230   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3810 Aoraki (1985 DX)          Discovered 1985-Feb-20 by Gilmore, A. and Kilmartin, P. at Mount John
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 DX = 1982 KC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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