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49435 (1998 YH1)
Classification: Main-belt Asteroid          SPK-ID: 2049435
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04093555484764685 4.1957e-08  
a 3.006027544595039 1.9014e-08 au
q 2.882974139169732 1.2566e-07 au
i 11.78812107076736 4.2392e-06 deg
node 68.81764752834037 1.992e-05 deg
peri 336.5135584087772 5.4928e-05 deg
M 101.501707125456 5.0632e-05 deg
tp 2458463.766495210278
(2018-Dec-11.26649521)
0.00026785 TDB
period 1903.653319697127
5.21
1.8062e-05
4.945e-08
d
yr
n .1891100634107455 1.7943e-09 deg/d
Q 3.129080950020347 1.9793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1327  
   data-arc span      7855 days (21.51 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:39  

Additional Information
 Earth MOID = 1.8974 au 
 Jupiter MOID = 2.11693 au 
 T_jup = 3.218 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO324752  
diameter diameter 6.052 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.175   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49435 (1998 YH1)          Discovered 1998-Dec-16 by Kagawa, T. at Gekko
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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