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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
52284 (1990 HP)
Classification: Inner Main-belt Asteroid          SPK-ID: 2052284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05093786373307964 6.7243e-08  
a 1.94075237039765 6.3334e-09 au
q 1.841894590614683 1.3023e-07 au
i 21.55299524762107 8.227e-06 deg
node 32.10898162510708 9.0284e-06 deg
peri 188.4628784036649 3.774e-05 deg
M 48.03614730009359 3.6724e-05 deg
tp 2458868.729169871826
(2020-Jan-20.22916987)
0.00010077 TDB
period 987.5375422968226
2.70
4.8341e-06
1.324e-08
d
yr
n .3645431030021493 1.7845e-09 deg/d
Q 2.039610150180617 6.6561e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      14309 days (39.18 yr)  
   first obs. used      1980-11-01  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:59  

Additional Information
 Earth MOID = .836396 au 
 Jupiter MOID = 2.92522 au 
 T_jup = 3.816 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO359095  

52284 (1990 HP)          Discovered 1990-Apr-26 by Helin, E. F. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 HP = 1980 VY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-30 16:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin