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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
52143 (6635 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156679305020964 3.6621e-08  
a 2.443662292469319 7.2645e-09 au
q 1.916642703006453 8.9994e-08 au
i 3.093624247736388 4.365e-06 deg
node 134.8833758226447 6.0242e-05 deg
peri 171.7112465796244 6.0819e-05 deg
M 3.424531702300758 7.7209e-06 deg
tp 2459383.227311614609
(2021-Jun-17.72731161)
2.9922e-05 TDB
period 1395.276269608017
3.82
6.2218e-06
1.703e-08
d
yr
n .2580134184473279 1.1505e-09 deg/d
Q 2.970681881932186 8.8313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      22233 days (60.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:05:50  

Additional Information
 Earth MOID = .901252 au 
 Jupiter MOID = 2.28735 au 
 T_jup = 3.466 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457115.5 (2015-Apr-03.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162589839361251 3.678e-08  
q 1.914380934238477 9.0299e-08 au
tp 2456591.601052091128
(2013-Oct-26.10105209)
3.1465e-05 TDB
node 134.9156026519605 6.0208e-05 deg
peri 171.3905758462368 6.0779e-05 deg
i 3.093705500516345 4.3683e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      22233 days (60.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:05:50  

Additional Information
 Jupiter MOID = 2.28735 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.352782243580593E-15 -3.314647188684019E-15 2.844737498917036E-13 -1.783354915915369E-14 1.100687030805493E-13 -5.835804426250976E-16
q -3.314647188684019E-15 8.153846174223548E-15 -7.545054009541581E-13 4.306112668880066E-14 -2.801241555153211E-13 1.484373290436393E-15
tp 2.844737498917036E-13 -7.545054009541581E-13 9.900377632924183E-10 -6.221770564924825E-12 2.673200536553145E-10 -1.831503934662434E-13
node -1.783354915915369E-14 4.306112668880066E-14 -6.221770564924825E-12 3.625019639843452E-9 -3.621176108024909E-9 4.01403732887318E-11
peri 1.100687030805493E-13 -2.801241555153211E-13 2.673200536553145E-10 -3.621176108024909E-9 3.694071939135422E-9 -4.010844048319316E-11
i -5.835804426250976E-16 1.484373290436393E-15 -1.831503934662434E-13 4.01403732887318E-11 -4.010844048319316E-11 1.908177436928409E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.79   n/a MPO636789  

52143 (6635 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 6635 P-L = 1998 QA9 = 2002 RT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 18:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin