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1169 Alwine (1930 QH)
Classification: Main-belt Asteroid          SPK-ID: 2001169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553440319350624 3.3104e-08  
a 2.317968267768461 6.333e-09 au
q 1.957885731155776 7.7711e-08 au
i 4.05395292962591 3.7757e-06 deg
node 255.0737472729123 5.1245e-05 deg
peri 177.279042666511 5.2688e-05 deg
M 323.443734879446 1.3019e-05 deg
tp 2458731.393769244533
(2019-Sep-04.89376924)
4.6837e-05 TDB
period 1289.020001705193
3.53
5.2827e-06
1.446e-08
d
yr
n .2792819347440462 1.1446e-09 deg/d
Q 2.678050804381146 7.3168e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2438  
   data-arc span      32597 days (89.25 yr)  
   first obs. used      1930-08-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45841  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:18:19  

Additional Information
 Earth MOID = .97242 au 
 Jupiter MOID = 2.58256 au 
 T_jup = 3.560 
[ 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 12.8   n/a MPO265962  
diameter diameter 8.100 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1169 Alwine (1930 QH)          Discovered 1930-Aug-30 by Wolf, M. and Ferrero, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 QH = 1937 VH = 1955 SK1 = 1955 SR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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