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43804 Peterting (1991 RL4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2043804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492982096524728 4.3347e-08  
a 3.208703540970993 1.8798e-08 au
q 2.729649846998473 1.3592e-07 au
i 7.408007937933325 4.1493e-06 deg
node 352.0696525565795 3.2325e-05 deg
peri 29.46531263454307 3.5405e-05 deg
M 28.52146874226073 1.2533e-05 deg
tp 2459034.173211294238
(2020-Jul-03.67321129)
7.3458e-05 TDB
period 2099.388515899
5.75
1.8449e-05
5.051e-08
d
yr
n .1714785030372717 1.5069e-09 deg/d
Q 3.687757234943512 2.1605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1715  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1991-09-10  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:27:03  

Additional Information
 Earth MOID = 1.73369 au 
 Jupiter MOID = 1.81003 au 
 T_jup = 3.162 
[ 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 13.54   n/a E2021B10  
diameter diameter 9.281 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43804 Peterting           Discovered 1991 Sept. 10 by L. D. Schmadel and F. Börngen at Tautenburg.
Peter M. Ting (b. 1948), American anesthesiologist, has had a lifelong interest in many aspects of astronomy and bought his first telescope in his youth. He has a wide-ranging interest in the history of astronomy and works on special problems of minor-planet nomenclature. Name proposed by L. D. Schmadel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

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Alternate Designations
 1991 RL4 = 2000 FM50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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