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90672 Metrorheinneckar (1977 RH)
Classification: Main-belt Asteroid          SPK-ID: 2090672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .304008980386739 3.4586e-08  
a 3.058560772477149 2.3028e-08 au
q 2.128730830585494 1.044e-07 au
i 20.24835780957471 6.5633e-06 deg
node 85.02930595293701 2.047e-05 deg
peri 216.5810156153466 2.42e-05 deg
M 79.54638982839631 1.3208e-05 deg
tp 2458964.790036828909
(2020-Apr-25.29003683)
7.0175e-05 TDB
period 1953.772975453285
5.35
2.2065e-05
6.041e-08
d
yr
n .1842588696450151 2.0809e-09 deg/d
Q 3.988390714368804 3.0028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      15860 days (43.42 yr)  
   first obs. used      1977-09-06  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:41:20  

Additional Information
 Earth MOID = 1.14279 au 
 Jupiter MOID = 1.3672 au 
 T_jup = 3.072 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.07   n/a MPCxxxxx  

90672 Metrorheinneckar           Discovered 1977 Sept. 6 by L. D. Schmadel at La Silla.
Founded in 2005, the metropolitan area along the Rhine and Neckar rivers with 2.4 million people includes the cities of Heidelberg, Mannheim and Ludwigshafen, and 21 universities and research institutions. The area is an ideal combination of science, business, culture and nature. Name proposed by J. Wambsganss.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111012/MPCPages.arcLast Updated: 2011-10-13

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Alternate Designations
 1977 RH = 1998 KS60 = 2003 GP42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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