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9654 Seitennokai (1996 AQ2)
Classification: Main-belt Asteroid          SPK-ID: 2009654
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729615489661424 3.052e-08  
a 2.34229366150365 5.7003e-09 au
q 1.937166921676402 7.133e-08 au
i 1.126340004003426 3.753e-06 deg
node 119.9269348960702 0.00016488 deg
peri 324.7944762357299 0.00016531 deg
M 11.84589265332114 1.041e-05 deg
tp 2459157.415036077950
(2020-Nov-03.91503608)
3.7866e-05 TDB
period 1309.364137078295
3.58
4.7798e-06
1.309e-08
d
yr
n .2749426151256146 1.0037e-09 deg/d
Q 2.747420401330898 6.6863e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      17310 days (47.39 yr)  
   first obs. used      1973-10-27  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:21:37  

Additional Information
 Earth MOID = .953117 au 
 Jupiter MOID = 2.46609 au 
 T_jup = 3.543 
[ 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 15.26   n/a MPCxxxxx  
diameter diameter 2.392 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.282   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9654 Seitennokai           Discovered 1996 Jan. 13 by T. Kobayashi at Oizumi.
Seitennokai is an astronomy club in Japan, which was founded in 1985, with about 20 members. They are trying to discover new astronomical objects and increase the public popularity of astronomy.
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 2016-05-21Last Updated: 2016-05-24

Alternate Designations
 1996 AQ2 = 1973 UM5 = 1991 UW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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