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 ]  
27066 (1998 SZ64)
Classification: Main-belt Asteroid          SPK-ID: 2027066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09233543005991948 2.9886e-08  
a 2.258638885893937 7.7251e-09 au
q 2.050086493014863 6.7641e-08 au
i 4.277858779332567 3.3716e-06 deg
node 128.2490780055576 4.8151e-05 deg
peri 114.8812411159394 5.2083e-05 deg
M 269.56116228388 2.0758e-05 deg
tp 2459311.973497683400
(2021-Apr-07.47349768)
7.1861e-05 TDB
period 1239.848520809083
3.39
6.3609e-06
1.742e-08
d
yr
n .2903580509698686 1.4897e-09 deg/d
Q 2.467191278773011 8.4384e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1698  
   data-arc span      10467 days (28.66 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:25:24  

Additional Information
 Earth MOID = 1.04125 au 
 Jupiter MOID = 2.53911 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456871.5 (2014-Aug-02.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09249861469000559 2.9817e-08  
q 2.049606388383389 6.7492e-08 au
tp 2456832.953584559664
(2014-Jun-24.45358456)
6.9912e-05 TDB
node 128.2848882060532 4.8148e-05 deg
peri 115.0384724805213 5.2085e-05 deg
i 4.277964685422942 3.3721e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1698  
   data-arc span      10467 days (28.66 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:25:24  

Additional Information
 Jupiter MOID = 2.53911 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.890703899719035E-16 -2.001625042739478E-15 -3.054332964079923E-13 -2.95532981754608E-16 -8.60683631383663E-14 -5.805877857019101E-17
q -2.001625042739478E-15 4.555127935752175E-15 7.204282242746912E-13 4.514561094518437E-16 2.031460972452923E-13 2.125120747668215E-16
tp -3.054332964079923E-13 7.204282242746912E-13 4.887640741030886E-9 8.030642384098559E-12 1.40180636365383E-9 9.195218747098696E-13
node -2.95532981754608E-16 4.514561094518437E-16 8.030642384098559E-12 2.318220363684751E-9 -2.309000710975124E-9 2.17621390025655E-11
peri -8.60683631383663E-14 2.031460972452923E-13 1.40180636365383E-9 -2.309000710975124E-9 2.712828760688316E-9 -2.145076412460175E-11
i -5.805877857019101E-17 2.125120747668215E-16 9.195218747098696E-13 2.17621390025655E-11 -2.145076412460175E-11 1.137111906023961E-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 14.7   n/a MPO347724  
diameter diameter 3.891 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27066 (1998 SZ64)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SZ64 = 1991 SX4 = 1997 GY44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-25 21:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin