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30801 (1989 SS1)
Classification: Main-belt Asteroid          SPK-ID: 2030801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2648971367249903 6.6978e-08  
a 2.548783405060235 1.303e-08 au
q 1.873617978927607 1.7518e-07 au
i 3.719836840294823 4.2046e-06 deg
node 61.08689228999506 9.6057e-05 deg
peri 258.4570914060214 9.6482e-05 deg
M 274.3058246731299 1.6471e-05 deg
tp 2459554.290873922675
(2021-Dec-05.79087392)
7.0369e-05 TDB
period 1486.270380995509
4.07
1.1397e-05
3.12e-08
d
yr
n .2422170317078314 1.8574e-09 deg/d
Q 3.223948831192863 1.6481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      14393 days (39.41 yr)  
   first obs. used      1981-10-25  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:31:37  

Additional Information
 Earth MOID = .863078 au 
 Jupiter MOID = 2.11221 au 
 T_jup = 3.388 
[ 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 15.1   n/a MPO417011  

30801 (1989 SS1)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SS1 = 1981 UK25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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