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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05684440104835329 4.4165e-08  
a 3.073714762584492 2.1622e-08 au
q 2.898991287911895 1.4021e-07 au
i 11.0640451854267 5.4798e-06 deg
node 43.74843796136424 2.3268e-05 deg
peri 22.35216627087611 5.2268e-05 deg
M 49.16034106806442 4.6014e-05 deg
tp 2458731.714301047221
(2019-Sep-05.21430105)
0.00025133 TDB
period 1968.311234639902
5.39
2.0769e-05
5.686e-08
d
yr
n .1828979043885106 1.9299e-09 deg/d
Q 3.248438237257089 2.2851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1499  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:39  

Additional Information
 Earth MOID = 1.91456 au 
 Jupiter MOID = 2.01003 au 
 T_jup = 3.199 
[ 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 13.3   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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