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28217 (1998 YO3)
Classification: Main-belt Asteroid          SPK-ID: 2028217
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440323571768821 2.9401e-08  
a 2.331727688414946 7.6653e-09 au
q 1.995883453157939 6.6906e-08 au
i 7.644413618678562 3.4972e-06 deg
node 94.58919745881082 2.4925e-05 deg
peri 242.8443913918424 2.8295e-05 deg
M 106.4913038629152 1.2553e-05 deg
tp 2458615.795899558639
(2019-May-12.29589956)
4.5336e-05 TDB
period 1300.514418878472
3.56
6.413e-06
1.756e-08
d
yr
n .2768135399148086 1.365e-09 deg/d
Q 2.667571923671953 8.7694e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1708  
   data-arc span      14575 days (39.90 yr)  
   first obs. used      1980-11-29  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:18:45  

Additional Information
 Earth MOID = .999442 au 
 Jupiter MOID = 2.69283 au 
 T_jup = 3.545 
[ 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 14.6   n/a MPO347732  
diameter diameter 2.649 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.437   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

28217 (1998 YO3)          Discovered 1998-Dec-18 by Klet at Klet
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YO3 = 1980 WS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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