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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08869374247818229 4.1076e-08  
a 2.617151170208139 1.466e-08 au
q 2.385026238291225 1.0913e-07 au
i 14.51430071029017 4.7214e-06 deg
node 211.2698149342546 1.8176e-05 deg
peri 18.03813642188443 3.2632e-05 deg
M 113.9438552116029 2.905e-05 deg
tp 2458111.025525576656
(2017-Dec-23.52552558)
0.00012354 TDB
period 1546.470500450998
4.23
1.2994e-05
3.558e-08
d
yr
n .2327881455837748 1.956e-09 deg/d
Q 2.849276102125053 1.5961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      9726 days (26.63 yr)  
   first obs. used      1992-05-01  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:23:53  

Additional Information
 Earth MOID = 1.37997 au 
 Jupiter MOID = 2.13114 au 
 T_jup = 3.356 
[ 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 14.1   n/a MPO449047  
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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