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312958 (1997 QP2)
Classification: Mars-crossing Asteroid          SPK-ID: 2312958
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08323700938163342 8.8797e-08  
a 1.712606881804914 5.6183e-09 au
q 1.570054606717069 1.511e-07 au
i 28.40276171241427 1.2565e-05 deg
node 329.4394465290915 1.003e-05 deg
peri 52.23227802367467 6.8709e-05 deg
M 13.65628014725017 6.1961e-05 deg
tp 2458969.446191484179
(2020-Apr-29.94619148)
0.00014092 TDB
period 818.624907013684
2.24
4.0283e-06
1.103e-08
d
yr
n .43976184564585 2.164e-09 deg/d
Q 1.85515915689276 6.086e-09 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1997-08-30  
   last obs. used      2018-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:42:53  

Additional Information
 Earth MOID = .601698 au 
 Jupiter MOID = 3.39536 au 
 T_jup = 4.044 
[ 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 17.2   n/a MPO434006  

312958 (1997 QP2)          Discovered 1997-Aug-30 by NEAT at Haleakala
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

Alternate Designations
 1997 QP2 = 2003 BO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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