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85501 (1997 TP23)
Classification: Main-belt Asteroid          SPK-ID: 2085501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .209285058741127 4.1347e-08  
a 2.408869696354834 1.0997e-08 au
q 1.904729260453492 9.6527e-08 au
i 5.792003037926901 4.8438e-06 deg
node 220.4790153217781 4.734e-05 deg
peri 44.63802957822118 4.9184e-05 deg
M 17.10179859441224 1.3549e-05 deg
tp 2458535.627941964176
(2019-Feb-21.12794196)
5.1282e-05 TDB
period 1365.5839041706
3.74
9.351e-06
2.56e-08
d
yr
n .2636234938772579 1.8052e-09 deg/d
Q 2.913010132256176 1.3298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1997-10-09  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:11:46  

Additional Information
 Earth MOID = .893983 au 
 Jupiter MOID = 2.17645 au 
 T_jup = 3.484 
[ 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 15.9   n/a MPO263968  
diameter diameter 4.257 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85501 (1997 TP23)          Discovered 1997-Oct-09 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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