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(2012 QG42)
Classification: Apollo [NEO, PHA]          SPK-ID: 3608092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3744494657728827 8.9093e-08  
a 1.025678218974391 5.7537e-09 au
q .6416135578245485 8.793e-08 au
i 6.808959261838602 3.8562e-06 deg
node 344.7826678409146 3.6572e-06 deg
peri 116.1720899272811 6.5188e-06 deg
M 274.2678215382153 2.0832e-05 deg
tp 2459290.855893531992
(2021-Mar-17.35589353)
2.2707e-05 TDB
period 379.4155503235772
1.04
3.1926e-06
8.741e-09
d
yr
n .9488277422814668 7.984e-09 deg/d
Q 1.409742880124234 7.9082e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2171  
   # delay obs. used      4  
   # Doppler obs. used      4  
   data-arc span      2449 days (6.70 yr)  
   first obs. used      2012-08-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .26811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:35:38  

Additional Information
 Earth MOID = .0135794 au 
 Jupiter MOID = 3.74718 au 
 T_jup = 5.891 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.9   n/a E2013Q36  
rotation period rot_per 24.22 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Baker, R.E.; Bartczak, P.; Bacci, P.; et al. (2013). Minor Planet Bull. 40, 25-26.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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