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 ]  
30251 Ashkin (2000 HR22)
Classification: Main-belt Asteroid          SPK-ID: 2030251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08546454487232104 3.1213e-08  
a 2.520585794010815 1.0105e-08 au
q 2.305165076314042 7.9762e-08 au
i 1.929405706879084 3.4915e-06 deg
node 232.534734024512 0.00010555 deg
peri 150.1923026737529 0.0001081 deg
M 258.7262200003855 2.6153e-05 deg
tp 2459611.692488566593
(2022-Feb-01.19248857)
0.00010741 TDB
period 1461.674442136327
4.00
8.7901e-06
2.407e-08
d
yr
n .2462928745431424 1.4811e-09 deg/d
Q 2.736006511707587 1.0969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      9862 days (27.00 yr)  
   first obs. used      1993-08-17  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:33:06  

Additional Information
 Earth MOID = 1.30708 au 
 Jupiter MOID = 2.64033 au 
 T_jup = 3.450 
[ 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 15.42   n/a MPCxxxxx  
rotation period rot_per 5.60 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:
[Stephens, R.D.; French, L.M.; James, D.; Rohl, D.; Warner, B.D. (2017) Minor Planet Bull. 44, 42-49.]

30251 Ashkin           Discovered 2000 Apr. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Emily Lorin Ashkin (b. 1997) is a finalist in the 2015 Intel STS, and was awarded second place in the 2014 Intel ISEF, for her medicine and health project. She attends the Providence Day School, Charlotte, North Carolina.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-04-04Last Updated: 2015-04-07

Alternate Designations
 2000 HR22 = 1993 QJ10 = 1999 BT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 09:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin