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143651 (2003 QO104)
Classification: Apollo [NEO, PHA]          SPK-ID: 2143651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 253 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5243226403170217 1.8729e-08  
a 2.135488975244068 1.1966e-08 au
q 1.015803757376207 4.1098e-08 au
i 11.60534339845507 3.5085e-06 deg
node 58.22694578157805 8.8574e-06 deg
peri 183.5495705584088 9.8145e-06 deg
M 190.0229605655249 1.1292e-05 deg
tp 2459538.685741165747
(2021-Nov-20.18574117)
4.0263e-05 TDB
period 1139.841401310893
3.12
9.5802e-06
2.623e-08
d
yr
n .3158334129519916 2.6545e-09 deg/d
Q 3.255174193111929 1.824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   # delay obs. used      3  
   # Doppler obs. used      3  
   data-arc span      14042 days (38.44 yr)  
   first obs. used      1981-07-10  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43734  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:11:22  

Additional Information
 Earth MOID = .00460718 au 
 Jupiter MOID = 1.77556 au 
 T_jup = 3.505 
[ 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 16.0   n/a MPO280742  
rotation period rot_per 114.4 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Birtwhistle, P. (2009) Minor Planet Bull. 36, 186-187.]
[Warner, B.D.; Stephens, R.D.; Carbognani, A. (2009) Minor Planet Bull. 36, 179-180.]
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

143651 (2003 QO104)          Discovered 2003-Aug-31 by NEAT at Haleakala
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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