Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494614738233365 4.3309e-08  
a 3.209544497931891 1.8807e-08 au
q 2.72984124696941 1.3581e-07 au
i 7.407983442084579 4.1381e-06 deg
node 352.0655616021929 3.2311e-05 deg
peri 29.53359998880709 3.5385e-05 deg
M 62.05683285056771 1.2446e-05 deg
tp 2459034.464936071342
(2020-Jul-03.96493607)
7.3378e-05 TDB
period 2100.213901153423
5.75
1.846e-05
5.054e-08
d
yr
n .1714111118883131 1.5066e-09 deg/d
Q 3.689247748894372 2.1618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      10816 days (29.61 yr)  
   first obs. used      1991-09-10  
   last obs. used      2021-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:49  

Additional Information
 Earth MOID = 1.7345 au 
 Jupiter MOID = 1.80951 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457428.5 (2016-Feb-10.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517515352203673 4.4635e-08  
q 2.720528969277996 1.4036e-07 au
tp 2456913.342303064437
(2014-Sep-12.84230306)
7.5495e-05 TDB
node 352.5907749610218 3.1895e-05 deg
peri 26.06634375240307 3.4884e-05 deg
i 7.466787159556597 4.1593e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      10816 days (29.61 yr)  
   first obs. used      1991-09-10  
   last obs. used      2021-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:49  

Additional Information
 Jupiter MOID = 1.80951 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.992314540574991E-15 -6.231944748922603E-15 -1.46693424563451E-13 8.922670000337844E-15 -7.660104326076623E-14 -2.550123649634188E-15
q -6.231944748922603E-15 1.970134802601042E-14 6.855603580510457E-14 -3.230933879785981E-14 1.83245227496823E-13 9.207136504141991E-15
tp -1.46693424563451E-13 6.855603580510457E-14 5.699498135727999E-9 -1.416035916613089E-11 1.09274290718766E-9 -2.875002367513253E-12
node 8.922670000337844E-15 -3.230933879785981E-14 -1.416035916613089E-11 1.017284688908518E-9 -1.010182803332561E-9 4.221576673453557E-11
peri -7.660104326076623E-14 1.83245227496823E-13 1.09274290718766E-9 -1.010182803332561E-9 1.216912690806766E-9 -4.238406888584195E-11
i -2.550123649634188E-15 9.207136504141991E-15 -2.875002367513253E-12 4.221576673453557E-11 -4.238406888584195E-11 1.729981212998992E-11

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

[ show close-approach data ]
Alternate Designations
 1991 RL4 = 2000 FM50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-30 21:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin