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 ]  
(2021 NU)
Classification: Apollo [NEO]          SPK-ID: 54165801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5659358760875183 9.1066e-05  
a 2.131391077971748 0.0004386 au
q .9251604009746867 3.7216e-06 au
i 5.867000984154151 0.00057003 deg
node 134.4040585258348 0.00087675 deg
peri 220.4047662925088 0.001135 deg
M 340.8397476481493 0.0065057 deg
tp 2459456.991153488442
(2021-Aug-30.49115349)
0.0018677 TDB
period 1136.562027260342
3.11
0.35082
0.0009605
d
yr
n .3167447014464949 9.777e-05 deg/d
Q 3.337621754968808 0.00068682 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      40 days  
   first obs. used      2021-07-04  
   last obs. used      2021-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .29526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-17 06:12:09  

Additional Information
 Earth MOID = .000700466 au 
 Jupiter MOID = 2.11929 au 
 T_jup = 3.491 
[ show covariance matrix ]

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 23.57   .25022 E2021Q12 autocmod 2.9c

[ 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-Sep-22 01:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin