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30851 Reissfelder (1991 TD6)
Classification: Main-belt Asteroid          SPK-ID: 2030851
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03843102685138521 3.8856e-08  
a 2.162962873645345 6.8953e-09 au
q 2.079837989369731 8.7436e-08 au
i 2.681098845101658 3.7222e-06 deg
node 266.5170582295584 6.9197e-05 deg
peri 263.0990857061025 8.6797e-05 deg
M 262.1414348702354 5.4119e-05 deg
tp 2459516.340899015534
(2021-Oct-28.84089902)
0.0001752 TDB
period 1161.908755711036
3.18
5.5561e-06
1.521e-08
d
yr
n .3098350005803134 1.4816e-09 deg/d
Q 2.246087757920958 7.1603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      12351 days (33.82 yr)  
   first obs. used      1987-05-30  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:31:56  

Additional Information
 Earth MOID = 1.08638 au 
 Jupiter MOID = 2.72243 au 
 T_jup = 3.693 
[ 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 15.14   n/a MPCxxxxx  
diameter diameter 2.141 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.423   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30851 Reißfelder           Discovered 1991 Oct. 2 by L. D. Schmadel and F. Börngen at Tautenburg.
Günter Reißfelder (b. 1946) is a German physician and well-known expert on urology and ambulant surgery. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

Alternate Designations
 1991 TD6 = 1987 KK2 = 1994 PD11 = 1999 BK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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