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48829 (1997 YH1)
Classification: Main-belt Asteroid          SPK-ID: 2048829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0568443974616689 4.4515e-08  
a 3.073714764811323 2.1912e-08 au
q 2.898991301036588 1.417e-07 au
i 11.06404444753116 5.5694e-06 deg
node 43.74844046510211 2.351e-05 deg
peri 22.3521684976663 5.2894e-05 deg
M 49.1603358369406 4.6766e-05 deg
tp 2458731.714329356461
(2019-Sep-05.21432936)
0.00025537 TDB
period 1968.311236778891
5.39
2.1048e-05
5.763e-08
d
yr
n .182897904189753 1.9558e-09 deg/d
Q 3.248438228586058 2.3158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1460  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:35:42  

Additional Information
 Earth MOID = 1.91456 au 
 Jupiter MOID = 2.01003 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456621.5 (2013-Nov-25.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05330183904560729 4.3957e-08  
q 2.908685348745587 1.3914e-07 au
tp 2456771.952273777120
(2014-Apr-24.45227378)
0.00027305 TDB
node 43.94504481006207 2.354e-05 deg
peri 23.82033881606946 5.602e-05 deg
i 11.05822840712655 5.5628e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1460  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:35:42  

Additional Information
 Jupiter MOID = 2.01003 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.932229449916308E-15 -6.050004282001161E-15 -4.385561538091314E-12 4.745635326190358E-15 -8.447218759371943E-13 -2.04780854246725E-15
q -6.050004282001161E-15 1.935969857987424E-14 1.343074882048451E-11 -1.594640321620735E-14 2.587167503047282E-12 7.858084635279204E-15
tp -4.385561538091314E-12 1.343074882048451E-11 7.455716947662663E-8 2.416754358336752E-11 1.39073065034005E-8 -8.276445351871596E-12
node 4.745635326190358E-15 -1.594640321620735E-14 2.416754358336752E-11 5.541448478151553E-10 -5.386809414222927E-10 -4.251885309674142E-11
peri -8.447218759371943E-13 2.587167503047282E-12 1.39073065034005E-8 -5.386809414222927E-10 3.138289009382874E-9 4.007157133420906E-11
i -2.04780854246725E-15 7.858084635279204E-15 -8.276445351871596E-12 -4.251885309674142E-11 4.007157133420906E-11 3.09449828734676E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO459185  
diameter diameter 5.748 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48829 (1997 YH1)          Discovered 1997-Dec-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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