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85482 (1997 PL2)
Classification: Main-belt Asteroid          SPK-ID: 2085482
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881991656549589 2.9177e-08  
a 2.315456014917372 8.8694e-09 au
q 1.879689124799167 6.7614e-08 au
i 1.539808058164863 3.7758e-06 deg
node 223.4762981964548 0.00012759 deg
peri 122.857450612029 0.00012805 deg
M 266.718709756356 1.3467e-05 deg
tp 2459729.961173162932
(2022-May-30.46117316)
4.9374e-05 TDB
period 1286.924977400118
3.52
7.3944e-06
2.024e-08
d
yr
n .2797365862983576 1.6073e-09 deg/d
Q 2.751222905035577 1.0539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1997-08-07  
   last obs. used      2021-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:14  

Additional Information
 Earth MOID = .872384 au 
 Jupiter MOID = 2.66538 au 
 T_jup = 3.557 
[ 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 16.73   n/a E2021B10  
diameter diameter 2.874 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85482 (1997 PL2)          Discovered 1997-Aug-07 by Viscome, G. R. at Rand
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 PL2 = 2000 KA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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