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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5304183525574543 2.4146e-08  
a 2.239758978244404 1.288e-08 au
q 1.05174971087824 5.5599e-08 au
i 4.517729078570608 6.6749e-06 deg
node 42.2254222984754 5.2352e-05 deg
peri 229.8560135899448 5.6111e-05 deg
M 237.742517808326 8.7471e-06 deg
tp 2459416.289294240055
(2021-Jul-20.78929424)
3.2733e-05 TDB
period 1224.335257385281
3.35
1.0561e-05
2.891e-08
d
yr
n .2940371093852384 2.5364e-09 deg/d
Q 3.427768245610569 1.9712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6271 days (17.17 yr)  
   first obs. used      2001-08-31  
   last obs. used      2018-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:56  

Additional Information
 Earth MOID = .0669933 au 
 Jupiter MOID = 1.73088 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 18.6   n/a MPO224584  
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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