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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2850668822205795 6.4373e-08  
a 2.684289876670042 1.7981e-08 au
q 1.919087730551449 1.6843e-07 au
i 13.38534049484731 7.3782e-06 deg
node 104.8908788891509 2.5736e-05 deg
peri 275.1028941167143 2.8886e-05 deg
M 77.87358240413343 1.6791e-05 deg
tp 2458253.019689982064
(2018-May-14.51968998)
7.2786e-05 TDB
period 1606.358764353149
4.40
1.6141e-05
4.419e-08
d
yr
n .2241093384546417 2.2519e-09 deg/d
Q 3.449492022788635 2.3107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1996-12-13  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:18:56  

Additional Information
 Earth MOID = .975623 au 
 Jupiter MOID = 2.20099 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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