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101548 (1998 YS29)
Classification: Main-belt Asteroid          SPK-ID: 2101548
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .204557526101254 3.5249e-08  
a 2.45162837724256 9.5835e-09 au
q 1.95012934147419 8.8233e-08 au
i 9.117062619783052 5.0617e-06 deg
node 7.90241247146801 2.4217e-05 deg
peri 84.69984078413194 2.7268e-05 deg
M 277.5322850926132 1.5175e-05 deg
tp 2459521.689875016361
(2021-Nov-03.18987502)
6.0092e-05 TDB
period 1402.104510058796
3.84
8.2213e-06
2.251e-08
d
yr
n .2567568946660785 1.5055e-09 deg/d
Q 2.95312741301093 1.1544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1998-12-27  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55178  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:18  

Additional Information
 Earth MOID = .991018 au 
 Jupiter MOID = 2.30875 au 
 T_jup = 3.449 
[ 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 15.05   n/a E2021B55  
diameter diameter 2.612 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101548 (1998 YS29)          Discovered 1998-Dec-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 YS29 = 2001 PF22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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