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13548 (1992 ER1)
Classification: Main-belt Asteroid          SPK-ID: 2013548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490490504256021 3.9393e-08  
a 2.693517925541985 1.491e-08 au
q 2.292051636435614 1.0659e-07 au
i 12.63372593735455 4.709e-06 deg
node 140.4530705241771 2.3357e-05 deg
peri 354.1560831174535 2.9181e-05 deg
M 170.5764233415383 1.86e-05 deg
tp 2458235.441340499816
(2018-Apr-26.94134050)
8.1526e-05 TDB
period 1614.649387205181
4.42
1.3407e-05
3.671e-08
d
yr
n .2229586205232636 1.8513e-09 deg/d
Q 3.094984214648355 1.7132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      9925 days (27.17 yr)  
   first obs. used      1992-03-08  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:10:25  

Additional Information
 Earth MOID = 1.30629 au 
 Jupiter MOID = 1.94145 au 
 T_jup = 3.320 
[ 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 13.7   n/a MPO492902  
diameter diameter 5.255 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13548 (1992 ER1)          Discovered 1992-Mar-08 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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