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48433 (1989 US1)
Classification: Main-belt Asteroid          SPK-ID: 2048433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2346012182491698 5.8645e-08  
a 2.637310734738382 1.0065e-08 au
q 2.018594423467144 1.5265e-07 au
i 13.89054109031113 5.2959e-06 deg
node 31.63145816534895 1.4227e-05 deg
peri 340.8273649770778 1.5986e-05 deg
M 67.75710256247595 7.799e-06 deg
tp 2458706.062781601240
(2019-Aug-10.56278160)
3.356e-05 TDB
period 1564.373248189266
4.28
8.9554e-06
2.452e-08
d
yr
n .2301241090747962 1.3174e-09 deg/d
Q 3.256027046009619 1.2426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1798  
   data-arc span      11314 days (30.98 yr)  
   first obs. used      1989-10-24  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:26  

Additional Information
 Earth MOID = 1.02521 au 
 Jupiter MOID = 2.21494 au 
 T_jup = 3.317 
[ 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 13.6   n/a MPO502479  
diameter diameter 12.686 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48433 (1989 US1)          Discovered 1989-Oct-29 by Takahashi, A., Watanabe, K. at Kitami
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 US1 = 1996 HZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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