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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381496865942469 6.9743e-08  
a 2.593240159183432 1.7746e-08 au
q 2.234984843928626 1.7312e-07 au
i 15.33983167332384 7.4765e-06 deg
node 41.31683269081146 1.9384e-05 deg
peri 278.867380824504 3.4627e-05 deg
M 138.0244293423465 3.3193e-05 deg
tp 2457015.688378927800
(2014-Dec-24.18837893)
0.00013749 JED
period 1525.32551367267
4.18
1.5657e-05
4.287e-08
d
yr
n .2360151959519735 2.4226e-09 deg/d
Q 2.951495474438238 2.0198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      9280 days (25.41 yr)  
   first obs. used      1990-10-14  
   last obs. used      2016-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49614  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:57:02  

Additional Information
 Earth MOID = 1.28423 au 
 Jupiter MOID = 2.43648 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 13.0 mag n/a MPO358705  
rotation period rot_per 3.74 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]

7601 (1994 US1)          Discovered 1994-Oct-25 by Ueda, S., Kaneda, H. at Kushiro
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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