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143404 (2003 BD44)
Classification: Apollo [NEO, PHA]          SPK-ID: 2143404
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 205 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6064926739347607 1.3747e-08  
a 1.96778564599369 3.56e-09 au
q .7743380678245364 2.7269e-08 au
i 2.662925819337503 4.2136e-06 deg
node 181.2939786691916 3.5164e-05 deg
peri 89.25317883300663 3.5259e-05 deg
M 31.28417941207233 1.0569e-06 deg
tp 2458912.883202247174
(2020-Mar-04.38320225)
2.7471e-06 TDB
period 1008.242753487265
2.76
2.7361e-06
7.491e-09
d
yr
n .3570568682540471 9.6895e-10 deg/d
Q 3.161233224162843 5.7191e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1331  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      14425 days (39.49 yr)  
   first obs. used      1981-02-28  
   last obs. used      2020-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-28 09:19:07  

Additional Information
 Earth MOID = .017808 au 
 Jupiter MOID = 1.97932 au 
 T_jup = 3.621 
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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 16.9   n/a MPO436719  
rotation period rot_per 78.64 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
[Polakis, T.; Warner, B.D.; Skiff, B.A. (2018) Minor Planet Bull. 45, 3-4.]
[Sada, P.V.; Loera-Gonzalez, P.; Olguin, L.; Saucedo-Morales. J.C.; et al. (2018) Minor Planet Bull. 45, 122-124.]

143404 (2003 BD44)          Discovered 2003-Jan-30 by LONEOS at Anderson Mesa
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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