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13778 (1998 US7)
Classification: Main-belt Asteroid          SPK-ID: 2013778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08819647951043119 3.5031e-08  
a 2.618309268748422 1.1996e-08 au
q 2.387383608975279 9.5203e-08 au
i 14.51030507931087 3.9022e-06 deg
node 211.2605265828406 1.4498e-05 deg
peri 18.11027964436608 2.9133e-05 deg
M 253.4908876619334 2.8214e-05 deg
tp 2459658.340393344512
(2022-Mar-19.84039334)
0.00012282 TDB
period 1547.497091900149
4.24
1.0635e-05
2.912e-08
d
yr
n .2326337166540076 1.5988e-09 deg/d
Q 2.849234928521564 1.3054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      10544 days (28.87 yr)  
   first obs. used      1992-05-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47484  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:07:33  

Additional Information
 Earth MOID = 1.38111 au 
 Jupiter MOID = 2.12939 au 
 T_jup = 3.355 
[ 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 14.22   n/a E2021B10  
diameter diameter 3.688 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.326   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13778 (1998 US7)          Discovered 1998-Oct-22 by Korlevic, K. at Visnjan
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 US7 = 1992 JT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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