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4066 Haapavesi (1940 RG)
Classification: Main-belt Asteroid          SPK-ID: 2004066
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230267396859955 3.289e-08  
a 2.242254356081374 7.0358e-09 au
q 1.742171677497824 7.538e-08 au
i 5.279401180610442 3.8282e-06 deg
node 241.1268454218666 3.8339e-05 deg
peri 89.24327032351391 3.9378e-05 deg
M 277.671585002924 1.0735e-05 deg
tp 2459280.961333787552
(2021-Mar-07.46133379)
3.7096e-05 TDB
period 1226.381926180709
3.36
5.7723e-06
1.58e-08
d
yr
n .2935464004440601 1.3817e-09 deg/d
Q 2.742337034664924 8.605e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2399  
   data-arc span      32834 days (89.89 yr)  
   first obs. used      1930-10-15  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:54:46  

Additional Information
 Earth MOID = .741412 au 
 Jupiter MOID = 2.64058 au 
 T_jup = 3.595 
[ 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 13.4   n/a MPO332856  
diameter diameter 4.129 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.472   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4066 Haapavesi (1940 RG)          Discovered 1940-Sep-07 by Alikoski, H. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1940 RG = 1930 UC1 = 1987 QD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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