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JPL Small-Body Database Browser
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3677 Magnusson (1984 QJ1)
Classification: Main-belt Asteroid          SPK-ID: 2003677
[ 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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004681806681149 3.1941e-08  
a 2.266322373965379 4.9531e-09 au
q 1.811996850849096 7.2266e-08 au
i 4.295171901697513 2.9306e-06 deg
node 205.941072880196 4.3944e-05 deg
peri 125.2196623204535 4.4394e-05 deg
M 181.5488561506984 7.3949e-06 deg
tp 2459618.228717494971
(2022-Feb-07.72871750)		 2.6346e-05 TDB
period 1246.180514740701
3.41		 4.0853e-06
1.118e-08		 d
yr
n .2888827065915945 9.4704e-10 deg/d
Q 2.720647897081662 5.946e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      16521 days (45.23 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:52:59  

Additional Information
 Earth MOID = .805755 au 
 Jupiter MOID = 2.65295 au 
 T_jup = 3.585 
[ 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 13.6   n/a MPO347551  
diameter diameter 4.836 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.4664 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
[Klinglesmith III, D.A.; Lovato, E.A. (2019) Minor Planet Bull. 46, 81-82.]
[Owings, L.E. (2019) Minor Planet Bull. 46, 272-274.]
geometric albedo albedo 0.301   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3677 Magnusson (1984 QJ1)          Discovered 1984-Aug-31 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 QJ1 = 1974 VO 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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