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JPL Small-Body Database Browser
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35009 (1980 US1)
Classification: Main-belt Asteroid          SPK-ID: 2035009
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109524638801544 5.502e-08  
a 2.308807198772802 6.9998e-09 au
q 1.821758631567442 1.2608e-07 au
i 4.40113129100308 4.8268e-06 deg
node 6.675883215893252 4.0982e-05 deg
peri 10.44637518480662 4.2347e-05 deg
M 113.8130821080789 8.6521e-06 deg
tp 2458595.393126210435
(2019-Apr-21.89312621)
3.0186e-05 TDB
period 1281.38586411141
3.51
5.8273e-06
1.595e-08
d
yr
n .2809458181822893 1.2777e-09 deg/d
Q 2.795855765978162 8.4764e-09 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      14433 days (39.52 yr)  
   first obs. used      1980-10-14  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:52  

Additional Information
 Earth MOID = .823495 au 
 Jupiter MOID = 2.67013 au 
 T_jup = 3.552 
[ 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 15.6   n/a MPO452660  

35009 (1980 US1)          Discovered 1980-Oct-31 by Bus, S. J. at Palomar
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1980 US1 = 2000 HF99 = 2001 QF23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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