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 ]  
(2020 UU4)
Classification: Apollo [NEO]          SPK-ID: 54076352
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ 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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .491227282616533 0.00049883  
a 1.679778908996415 0.0014561 au
q .8546256801335418 9.7073e-05 au
i 4.367070363635465 0.003635 deg
node 216.6284719911381 0.00016297 deg
peri 231.7196710136704 0.00017574 deg
M 274.4845278228123 0.11572 deg
tp 2459189.394281373581
(2020-Dec-05.89428137)
0.010004 TDB
period 795.2004422496719
2.18
1.034
0.002831
d
yr
n .4527160460091514 0.00058867 deg/d
Q 2.504932137859289 0.0021714 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      3 days  
   first obs. used      2020-10-23  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-27 07:16:07  

Additional Information
 Earth MOID = .00397932 au 
 Jupiter MOID = 2.74521 au 
 T_jup = 4.085 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459146.5 (2020-Oct-24.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4917479335054619 0.00049797  
q .8543614258339878 9.6856e-05 au
tp 2459189.381778118334
(2020-Dec-05.88177812)
0.0099754 TDB
node 216.6028769202896 0.00020603 deg
peri 231.7563192637837 0.0001432 deg
i 4.373089950799014 0.0036239 deg
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      3 days  
   first obs. used      2020-10-23  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-27 07:16:07  

Additional Information
 Jupiter MOID = 2.74521 au 
 T_jup = 4.085 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.479776402383765E-7 -4.823018551257084E-8 -4.967251645297691E-6 9.402461957236085E-8 4.418039061407414E-8 1.804463121052141E-6
q -4.823018551257084E-8 9.381105679144962E-9 9.660247832734988E-7 -1.833939442574228E-8 -8.673349149810254E-9 -3.509333970759249E-7
tp -4.967251645297691E-6 9.660247832734988E-7 9.95086788054747E-5 -1.876815376470906E-6 -8.752071607733375E-7 -3.614830405341627E-5
node 9.402461957236085E-8 -1.833939442574228E-8 -1.876815376470906E-6 4.244725461389157E-8 2.125479383743613E-8 6.807432567764935E-7
peri 4.418039061407414E-8 -8.673349149810254E-9 -8.752071607733375E-7 2.125479383743613E-8 2.050698048988188E-8 3.197499899332417E-7
i 1.804463121052141E-6 -3.509333970759249E-7 -3.614830405341627E-5 6.807432567764935E-7 3.197499899332417E-7 1.313250486346532E-5

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.8   .42807 3 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-16 03:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin