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30989 (1995 SZ43)
Classification: Main-belt Asteroid          SPK-ID: 2030989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687530553519313 3.0642e-08  
a 3.167645836149987 1.7305e-08 au
q 2.633095923026854 9.9563e-08 au
i 11.28610380009087 4.7128e-06 deg
node 200.4053604577865 1.868e-05 deg
peri 57.18026590479707 2.3384e-05 deg
M 274.5087964616357 1.4374e-05 deg
tp 2459689.515117429340
(2022-Apr-20.01511743)
8.3192e-05 TDB
period 2059.22287894288
5.64
1.6874e-05
4.62e-08
d
yr
n .1748232324345624 1.4326e-09 deg/d
Q 3.70219574927312 2.0225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1612  
   data-arc span      9316 days (25.51 yr)  
   first obs. used      1995-09-20  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:33:07  

Additional Information
 Earth MOID = 1.63827 au 
 Jupiter MOID = 1.42058 au 
 T_jup = 3.151 
[ 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 13.75   n/a MPCxxxxx  
diameter diameter 11.867 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30989 (1995 SZ43)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SZ43 = 1999 GM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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