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14531 (1997 PM2)
Classification: Main-belt Asteroid          SPK-ID: 2014531
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519575559633922 4.1443e-08  
a 2.838090536268037 1.7759e-08 au
q 2.406821234773913 1.1778e-07 au
i 4.599593383409109 4.7127e-06 deg
node 304.7378754074836 6.9378e-05 deg
peri 118.9283727594362 7.1898e-05 deg
M 246.3986618082208 2.1063e-05 deg
tp 2459751.585192290629
(2022-Jun-21.08519229)
0.00010521 TDB
period 1746.376164070426
4.78
1.6392e-05
4.488e-08
d
yr
n .2061411552714495 1.9348e-09 deg/d
Q 3.269359837762161 2.0457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      9690 days (26.53 yr)  
   first obs. used      1993-12-05  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:31:50  

Additional Information
 Earth MOID = 1.42376 au 
 Jupiter MOID = 2.04799 au 
 T_jup = 3.289 
[ 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 14.1   n/a MPO384882  
diameter diameter 8.116 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.4554 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.073   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14531 (1997 PM2)          Discovered 1997-Aug-07 by Viscome, G. R. at Rand
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 PM2 = 1993 XW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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