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 ]  
(2017 HU49)
Classification: Aten [NEO]          SPK-ID: 3774384
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05508511572174379 4.1811e-06  
a .9714205104270968 2.4841e-06 au
q .9179096991957447 6.4084e-06 au
i 2.625017203637711 0.00021751 deg
node 45.67849076592138 0.00041245 deg
peri 345.6970794581998 0.00077558 deg
M 269.1241440365558 0.0050278 deg
tp 2459088.778581055639
(2020-Aug-27.27858106)
0.0052226 TDB
period 349.7110298781008
0.96
0.0013414
3.673e-06
d
yr
n 1.029421348607408 3.9486e-06 deg/d
Q 1.024931321658449 2.6209e-06 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      28 days  
   first obs. used      2017-04-30  
   last obs. used      2017-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .40207  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:08:59  

Additional Information
 Earth MOID = .0116059 au 
 Jupiter MOID = 4.03351 au 
 T_jup = 6.218 
[ 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 26.5   n/a MPO438036  
rotation period rot_per 0.62 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

[ 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 2020-Oct-25 06:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin