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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230267946937354 4.3406e-08  
a 2.242254363897107 8.099e-09 au
q 1.742171560229095 9.659e-08 au
i 5.279403334863525 3.9746e-06 deg
node 241.1269067778714 4.7866e-05 deg
peri 89.24320783971559 4.868e-05 deg
M 277.6715783891846 1.1271e-05 deg
tp 2459280.961357784415
(2021-Mar-07.46135778)
3.9127e-05 TDB
period 1226.381932592831
3.36
6.6445e-06
1.819e-08
d
yr
n .2935463989092563 1.5904e-09 deg/d
Q 2.74233716756512 9.9053e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1972  
   data-arc span      32591 days (89.23 yr)  
   first obs. used      1930-10-15  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:22:47  

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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