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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 | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878736684925641 3.2166e-08  
a 2.31611059040962 9.905e-09 au
q 1.880974397154886 7.3127e-08 au
i 1.539435217660257 3.7999e-06 deg
node 223.4882316378791 0.00014515 deg
peri 122.8051274858543 0.00014556 deg
M 156.0050330599679 1.3106e-05 deg
tp 2458442.578015828643
(2018-Nov-20.07801583)
4.4971e-05 TDB
period 1287.470733232572
3.52
8.2589e-06
2.261e-08
d
yr
n .2796180066137228 1.7937e-09 deg/d
Q 2.751246783664354 1.1766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1997-08-07  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:50  

Additional Information
 Earth MOID = .874476 au 
 Jupiter MOID = 2.66483 au 
 T_jup = 3.557 
[ 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 16.7   n/a MPO453285  
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2132-Oct-19 01:52 00:04 Eunom 0.0326282571053106 0.032619503051402 0.03263701690973 3.87693340031236 3.87693328934081 2500048.577752882 3.67031850426863 810.599040863794 22.8915411908206 57.4815346539509 179624.888880033 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:52 2020-Nov-12 21:00

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