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17722 (1997 YT1)
Classification: Main-belt Asteroid          SPK-ID: 2017722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2284561161437858 1.6629e-08  
a 2.465620517280367 7.8743e-09 au
q 1.902334430018063 4.1057e-08 au
i 12.0138103569849 7.3003e-07 deg
node 250.905287458571 1.4402e-06 deg
peri 105.1281948177115 5.7692e-06 deg
M 62.60175256000579 6.0252e-06 deg
tp 2458954.592502223898
(2020-Apr-15.09250222)
2.3059e-05 TDB
period 1414.124933875312
3.87
6.7743e-06
1.855e-08
d
yr
n .2545743953566003 1.2195e-09 deg/d
Q 3.028906604542672 9.6732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1948  
   data-arc span      24211 days (66.29 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:53  

Additional Information
 Earth MOID = .939178 au 
 Jupiter MOID = 2.58786 au 
 T_jup = 3.421 
[ 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 13.86   n/a E2021B10  
diameter diameter 5.276 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.6387 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Odden, C.; French, J.; Little, J.; Brigden, R.; Briggs. J.W. (2013) Minor Planet Bull. 40, 102.]
geometric albedo albedo 0.210   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17722 (1997 YT1)          Discovered 1997-Dec-21 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YT1 = 2000 LY19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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