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24706 (1991 PA5)
Classification: Main-belt Asteroid          SPK-ID: 2024706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639599471896424 3.2209e-08  
a 2.279363446398476 6.5525e-09 au
q 1.905639136100981 7.3793e-08 au
i 3.158211945029775 3.6185e-06 deg
node 307.6391280171245 6.5069e-05 deg
peri .7400814470995977 6.6063e-05 deg
M 196.9942480708908 1.2887e-05 deg
tp 2459769.640150731704
(2022-Jul-09.14015073)
4.6057e-05 TDB
period 1256.952296704965
3.44
5.4201e-06
1.484e-08
d
yr
n .2864070505648635 1.235e-09 deg/d
Q 2.653087756695971 7.6269e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1515  
   data-arc span      10845 days (29.69 yr)  
   first obs. used      1991-07-12  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:36:56  

Additional Information
 Earth MOID = .888922 au 
 Jupiter MOID = 2.58748 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.19   n/a MPCxxxxx  
rotation period rot_per 4.47 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

24706 (1991 PA5)          Discovered 1991-Aug-03 by Elst, E. W. at La Silla
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PA5 = 1998 QO42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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