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4655 Marjoriika (1978 RS)
Classification: Main-belt Asteroid          SPK-ID: 2004655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903408022355285 1.6522e-08  
a 2.254221331669314 5.5416e-09 au
q 1.825151034982935 3.8424e-08 au
i 1.915691125655627 3.3791e-07 deg
node 313.8137783398628 9.222e-06 deg
peri 47.31198430846177 1.0254e-05 deg
M 172.4748937372988 4.5083e-06 deg
tp 2458608.234214155660
(2019-May-04.73421416)
1.4779e-05 TDB
period 1236.212867182379
3.38
4.5585e-06
1.248e-08
d
yr
n .2912119826260383 1.0738e-09 deg/d
Q 2.683291628355692 6.5964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2534  
   data-arc span      24814 days (67.94 yr)  
   first obs. used      1953-04-15  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:46:06  

Additional Information
 Earth MOID = .821086 au 
 Jupiter MOID = 2.77377 au 
 T_jup = 3.600 
[ 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 13.41   n/a E2021B10  
diameter diameter 5.326 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.624 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.327   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4655 Marjoriika (1978 RS)          Discovered 1978-Sep-01 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1978 RS = 1985 WC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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