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129541 (1996 PQ9)
Classification: Mars-crossing Asteroid          SPK-ID: 2129541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3007665954294377 3.4845e-08  
a 2.274803696751577 7.8636e-09 au
q 1.590618733609307 7.8681e-08 au
i 19.62656347643622 7.311e-06 deg
node 328.1327299674597 1.1905e-05 deg
peri 97.6753115658075 1.7213e-05 deg
M 281.4067083927349 1.1105e-05 deg
tp 2459274.088155957366
(2021-Feb-28.58815596)
3.8971e-05 TDB
period 1253.182480723932
3.43
6.4981e-06
1.779e-08
d
yr
n .2872686185271572 1.4896e-09 deg/d
Q 2.958988659893848 1.0229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      8760 days (23.98 yr)  
   first obs. used      1996-08-09  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:40:55  

Additional Information
 Earth MOID = .734048 au 
 Jupiter MOID = 2.61716 au 
 T_jup = 3.475 
[ 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 14.8   n/a MPO436627  

129541 (1996 PQ9)          Discovered 1996-Aug-09 by Okuni, T. at Nanyo
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1996 PQ9 = 2000 YE104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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