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129657 (1998 QQ33)
Classification: Main-belt Asteroid          SPK-ID: 2129657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2834743454838688 5.9245e-08  
a 2.62510613507401 1.2449e-08 au
q 1.880955891608217 1.5443e-07 au
i 12.01132880671271 8.3563e-06 deg
node 168.816248986317 2.0293e-05 deg
peri 138.4146948012647 2.3513e-05 deg
M 56.32692737070822 1.0971e-05 deg
tp 2458757.429481332217
(2019-Sep-30.92948133)
4.6502e-05 TDB
period 1553.526719902488
4.25
1.1051e-05
3.026e-08
d
yr
n .2317308066787526 1.6484e-09 deg/d
Q 3.369256378539804 1.5978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      7572 days (20.73 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:46  

Additional Information
 Earth MOID = .885367 au 
 Jupiter MOID = 2.03132 au 
 T_jup = 3.315 
[ 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 15.7   n/a MPO436628  
diameter diameter 3.577 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

129657 (1998 QQ33)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1998 QQ33 = 2002 LB48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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