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39273 (2001 AO30)
Classification: Main-belt Asteroid          SPK-ID: 2039273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366662632409087 4.8117e-08  
a 3.190456623882224 2.3763e-08 au
q 2.754428839064035 1.534e-07 au
i 14.54835349940692 6.0835e-06 deg
node 83.87723037769607 2.141e-05 deg
peri 90.18063792660143 3.1616e-05 deg
M 84.22193670421741 2.1925e-05 deg
tp 2458513.532007507021
(2019-Jan-30.03200751)
0.00012687 TDB
period 2081.506127235541
5.70
2.3256e-05
6.367e-08
d
yr
n .1729516888226112 1.9323e-09 deg/d
Q 3.626484408700413 2.7011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      13412 days (36.72 yr)  
   first obs. used      1982-08-22  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:07:46  

Additional Information
 Earth MOID = 1.80849 au 
 Jupiter MOID = 1.6322 au 
 T_jup = 3.133 
[ 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 13.7   n/a MPO474250  
diameter diameter 11.913 km 0.402 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39273 (2001 AO30)          Discovered 2001-Jan-04 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 AO30 = 1991 JX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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