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 ]  
101014 (1998 QL54)
Classification: Main-belt Asteroid          SPK-ID: 2101014
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967980092784318 5.2214e-08  
a 2.308902257464473 5.5723e-09 au
q 1.854514889576988 1.2118e-07 au
i 4.201717554750921 5.2642e-06 deg
node 208.1187934546113 5.2091e-05 deg
peri 128.6775831174148 5.3723e-05 deg
M 82.28849828971576 1.0699e-05 deg
tp 2458707.583804011426
(2019-Aug-12.08380401)
3.7939e-05 TDB
period 1281.465001155155
3.51
4.639e-06
1.27e-08
d
yr
n .2809284683354474 1.017e-09 deg/d
Q 2.763289625351959 6.6689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      10632 days (29.11 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:42  

Additional Information
 Earth MOID = .848915 au 
 Jupiter MOID = 2.63348 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976576504285422 5.2362e-08  
q 1.851882693777395 1.2163e-07 au
tp 2457426.901939981960
(2016-Feb-08.40193998)
3.7407e-05 TDB
node 208.1396244857162 5.2067e-05 deg
peri 128.8217104627299 5.3681e-05 deg
i 4.202811324319447 5.2681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      10632 days (29.11 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:42  

Additional Information
 Jupiter MOID = 2.63348 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.741823341374104E-15 -6.364462049917275E-15 1.021094700259511E-12 -2.56666872090059E-14 3.785299932118643E-13 -3.618302984480894E-15
q -6.364462049917275E-15 1.47932936416479E-14 -2.362309421531836E-12 5.920490274555324E-14 -8.795249392679768E-13 8.484703876663214E-15
tp 1.021094700259511E-12 -2.362309421531836E-12 1.399273957995921E-9 -1.685162468352343E-11 4.978878344938165E-10 -1.623934257469549E-12
node -2.56666872090059E-14 5.920490274555324E-14 -1.685162468352343E-11 2.710950412859551E-9 -2.708677239762557E-9 -1.032421979559598E-10
peri 3.785299932118643E-13 -8.795249392679768E-13 4.978878344938165E-10 -2.708677239762557E-9 2.881610282803083E-9 1.024666528771665E-10
i -3.618302984480894E-15 8.484703876663214E-15 -1.623934257469549E-12 -1.032421979559598E-10 1.024666528771665E-10 2.775330032759353E-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 16.2   n/a MPO432537  

101014 (1998 QL54)          Discovered 1998-Aug-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-26 03:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin