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3942 Churivannia (1977 RH7)
Classification: Main-belt Asteroid          SPK-ID: 2003942
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969482590764285 2.0387e-08  
a 2.390816289710884 7.3017e-09 au
q 1.919949183680759 4.7933e-08 au
i 4.619271431207933 2.9745e-07 deg
node 18.24778887515473 1.3051e-05 deg
peri 288.1848695975293 1.2199e-05 deg
M 293.3789966048961 7.9305e-06 deg
tp 2459450.377069986979
(2021-Aug-23.87706999)
3.05e-05 TDB
period 1350.26103797655
3.70
6.1856e-06
1.694e-08
d
yr
n .2666151135779511 1.2214e-09 deg/d
Q 2.861683395741008 8.7397e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2792  
   data-arc span      25409 days (69.57 yr)  
   first obs. used      1951-08-08  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:45:08  

Additional Information
 Earth MOID = .909392 au 
 Jupiter MOID = 2.40583 au 
 T_jup = 3.501 
[ 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 13.25   n/a E2021B10  
diameter diameter 7.067 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.186   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3942 Churivannia (1977 RH7)          Discovered 1977-Sep-11 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 RH7 = 1936 PD = 1976 GW4 = 1977 TP7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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