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85502 (1997 TZ23)
Classification: Main-belt Asteroid          SPK-ID: 2085502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0781572575570714 3.7871e-08  
a 3.148384682896894 2.4868e-08 au
q 2.902315570346983 1.2728e-07 au
i 1.343458340223541 5.1452e-06 deg
node 221.3714725898466 0.00022969 deg
peri 218.5775009089822 0.00023452 deg
M 43.69688863466818 4.5707e-05 deg
tp 2459148.827306499101
(2020-Oct-26.32730650)
0.00025855 TDB
period 2040.469526463821
5.59
2.4176e-05
6.619e-08
d
yr
n .1764299811053233 2.0904e-09 deg/d
Q 3.394453795446805 2.6812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      8473 days (23.20 yr)  
   first obs. used      1997-10-11  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:20  

Additional Information
 Earth MOID = 1.91801 au 
 Jupiter MOID = 1.79165 au 
 T_jup = 3.203 
[ 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 15.57   n/a MPCxxxxx  
diameter diameter 5.326 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85502 (1997 TZ23)          Discovered 1997-Oct-11 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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