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15811 Nusslein-Volhard (1994 ND1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015811
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677465990809507 6.081e-08  
a 3.207461835881507 4.1013e-08 AU
q 2.669421021230442 1.8547e-07 AU
i 9.600653562356955 8.1947e-06 deg
node 226.3743665343241 3.6593e-05 deg
peri 72.31569279732784 4.5574e-05 deg
M 156.6438421732201 2.8866e-05 deg
tp 2455887.540526515936
(2011-Nov-22.04052652)
0.00016064 JED
period 2098.170000776781
5.74
4.0243e-05
1.102e-07
d
yr
n .1715780894144523 3.2909e-09 deg/d
Q 3.745502650532573 4.7892e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      21359 days (58.48 yr)  
   first obs. used      1955-09-21  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4989  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:23:51  

Additional Information
 Earth MOID = 1.67321 AU 
 T_jup = 3.149 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO279682  
diameter diameter 16.17 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0617   0.013 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

15811 Nüsslein-Volhard           Discovered 1994 July 10 by F. Borngen at Tautenburg.
German biologist Christiane Nüsslein-Volhard (b. 1942) intensely studied the development stages of the fly Drosophila melanogaster and shared the 1995 Nobel prize for medicine for her epoch-making discoveries of the fundamental genetic steering mechanisms of embryogeny.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020526/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1994 ND1 = 1955 SX1 = 1988 PY2 = 1989 SG7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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