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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499757582275705 2.1785e-08  
a 2.69121950376465 1.1901e-08 au
q 2.28760181813072 5.9625e-08 au
i 12.64095887755524 5.8548e-07 deg
node 140.4532558331233 4.9161e-06 deg
peri 354.2905851454128 1.2841e-05 deg
M 215.0389919951438 1.3287e-05 deg
tp 2459849.837984533467
(2022-Sep-27.33798453)
6.2047e-05 TDB
period 1612.583119070317
4.42
1.0697e-05
2.929e-08
d
yr
n .2232443064439038 1.4809e-09 deg/d
Q 3.094837189398579 1.3686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1801  
   data-arc span      10501 days (28.75 yr)  
   first obs. used      1992-03-08  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:00:46  

Additional Information
 Earth MOID = 1.30171 au 
 Jupiter MOID = 1.9408 au 
 T_jup = 3.321 
[ 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 13.67   n/a E2021B10  
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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