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85422 Maedanaoe (1996 XV30)
Classification: Main-belt Asteroid          SPK-ID: 2085422
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2853371616867343 6.4006e-08  
a 2.683388084411966 1.7873e-08 au
q 1.917717744701852 1.675e-07 au
i 13.38574308100376 6.5998e-06 deg
node 104.8933096304462 2.5707e-05 deg
peri 275.0414267344076 2.8414e-05 deg
M 167.6037198713978 1.7112e-05 deg
tp 2458253.010993335600
(2018-May-14.51099334)
7.1397e-05 TDB
period 1605.549343449304
4.40
1.6041e-05
4.392e-08
d
yr
n .2242223208329362 2.2402e-09 deg/d
Q 3.449058424122079 2.2973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1996-12-13  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:30  

Additional Information
 Earth MOID = .974953 au 
 Jupiter MOID = 2.20423 au 
 T_jup = 3.278 
[ 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 15.4   n/a MPO412682  
diameter diameter 2.607 km 0.550 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85422 Maedanaoe           Discovered 1996 Dec. 13 at Saji.
Maeda Naoe (1915-2008) is a Japanese-style paint artist from Mochigase in Tottori city. He was active in Kyoto painting circles, and was well-known for "the Machiya series of Kyoto".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-04-22Last Updated: 2016-04-25

[ show close-approach data ]
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