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524196 (2001 QP181)
Classification: Amor [NEO]          SPK-ID: 2524196
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5303818647524003 2.394e-08  
a 2.239532265503848 7.2187e-09 au
q 1.051724966352749 5.5166e-08 au
i 4.517654725891594 5.5511e-06 deg
node 42.21438250733557 4.9943e-05 deg
peri 229.8779847497165 5.1841e-05 deg
M 296.5285783664286 7.9776e-06 deg
tp 2459416.329168501336
(2021-Jul-20.82916850)
2.804e-05 TDB
period 1224.149367711414
3.35
5.9187e-06
1.62e-08
d
yr
n .2940817595429809 1.4219e-09 deg/d
Q 3.427339564654947 1.1047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7221 days (19.77 yr)  
   first obs. used      2001-08-31  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51382  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-08 05:52:33  

Additional Information
 Earth MOID = .0659618 au 
 Jupiter MOID = 1.73064 au 
 T_jup = 3.432 
[ 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 18.54   n/a MPCxxxxx  
rotation period rot_per 17.05 h n/a LCDB (Rev. 2020-October); 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:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

524196 (2001 QP181)          Discovered 2001-Aug-31 by NEAT at Palomar
Reference: Last Updated: 2019-05-29

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