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7601 (1994 US1)
Classification: Main-belt Asteroid          SPK-ID: 2007601
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382560341061327 9.0229e-08  
a 2.593993992744931 2.7859e-08 AU
q 2.235358670812885 2.4036e-07 AU
i 15.33844838469502 8.661e-06 deg
node 41.32557001589801 3.4576e-05 deg
peri 279.0421257741943 4.5004e-05 deg
M 309.0916565688141 3.6361e-05 deg
tp 2457016.293490725255
(2014-Dec-24.79349073)
0.00015613 JED
period 1525.990661355965
4.18
2.4583e-05
6.73e-08
d
yr
n .2359123218225406 3.8004e-09 deg/d
Q 2.952629314676978 3.171e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      8286 days (22.69 yr)  
   first obs. used      1990-10-14  
   last obs. used      2013-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55586  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:45:14  

Additional Information
 Earth MOID = 1.2841 AU 
 T_jup = 3.355 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO263417  

7601 (1994 US1)          Discovered 1994-Oct-25 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 US1 = 1969 UT = 1990 TY12 = 1990 WY11 = 1990 XE2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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