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 ]  
(2015 HA1)
Classification: Aten [NEO]          SPK-ID: 3716433
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883721728682254 5.6275e-07  
a .96423069707776 1.0111e-07 au
q .7825964655229787 5.69e-07 au
i 19.86926185547034 6.9425e-05 deg
node 57.31946169260799 1.0255e-05 deg
peri 315.2296671574802 4.9617e-05 deg
M 201.6588252655646 0.00032697 deg
tp 2459352.611209282996
(2021-May-18.11120928)
0.00033711 TDB
period 345.8357274014181
0.95
5.4397e-05
1.489e-07
d
yr
n 1.04095664928841 1.6373e-07 deg/d
Q 1.145864928632541 1.2016e-07 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      372 days (1.02 yr)  
   first obs. used      2015-04-16  
   last obs. used      2016-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .30835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:31:52  

Additional Information
 Earth MOID = .0540132 au 
 Jupiter MOID = 4.18204 au 
 T_jup = 6.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884804893931764 5.6233e-07  
q .7824333886968404 5.6755e-07 au
tp 2457277.817504437433
(2015-Sep-12.31750444)
8.843e-05 TDB
node 57.34979065197106 1.0381e-05 deg
peri 315.2122863626531 4.9317e-05 deg
i 19.874454744997 6.9408e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      372 days (1.02 yr)  
   first obs. used      2015-04-16  
   last obs. used      2016-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .30835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:31:52  

Additional Information
 Jupiter MOID = 4.18204 au 
 T_jup = 6.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.16219774176379E-13 -3.159267692756171E-13 -4.200468434768974E-11 -4.602782991172601E-12 -8.448604338735082E-12 3.711811795667525E-11
q -3.159267692756171E-13 3.221181208628366E-13 4.012329089777181E-11 4.530708938020523E-12 5.791788938117751E-12 -3.646357633098241E-11
tp -4.200468434768974E-11 4.012329089777181E-11 7.819952426405698E-9 5.565798769103273E-10 3.24328185583838E-9 -4.516263387062819E-9
node -4.602782991172601E-12 4.530708938020523E-12 5.565798769103273E-10 1.077683039636188E-10 5.73940546383634E-11 -6.308786217399838E-10
peri -8.448604338735082E-12 5.791788938117751E-12 3.24328185583838E-9 5.73940546383634E-11 2.432209926458472E-9 -7.201043206135381E-10
i 3.711811795667525E-11 -3.646357633098241E-11 -4.516263387062819E-9 -6.308786217399838E-10 -7.201043206135381E-10 4.817522503157487E-9

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 21.2   n/a E2015L36  
rotation period rot_per 47.2 h n/a LCDB (Rev. 2020-October); 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:
[Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.]

[ 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-May-06 05:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin