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154275 (2002 SR41)
Classification: Apollo [NEO, PHA]          SPK-ID: 2154275
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4906913696898904 4.1117e-08  
a 1.083276842062596 9.8751e-10 au
q .5517222446775617 4.4583e-08 au
i 11.57845522684193 7.7003e-06 deg
node 247.8363578348992 1.7123e-05 deg
peri 258.1299080050739 1.6249e-05 deg
M 171.7370179922749 5.2325e-06 deg
tp 2458404.042310410187
(2018-Oct-12.54231041)
5.8763e-06 TDB
period 411.8201717903013
1.13
5.6312e-07
1.542e-09
d
yr
n .8741679613093646 1.1953e-09 deg/d
Q 1.61483143944763 1.4721e-09 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      4320 days (11.83 yr)  
   first obs. used      2002-09-30  
   last obs. used      2014-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39316  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:26:58  

Additional Information
 Earth MOID = .0360357 au 
 Jupiter MOID = 3.45827 au 
 T_jup = 5.582 
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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 20.1   n/a MPO302740  
rotation period rot_per 2.283 h n/a LCDB (Rev. 2019-January); 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. (2015) Minor Planet Bull. 42, 41-53.]

154275 (2002 SR41)          Discovered 2002-Sep-30 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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