Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
24702 (1991 OR)
Classification: Inner Main-belt Asteroid          SPK-ID: 2024702
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09032852430978394 7.0874e-08  
a 1.944708546825142 1.3186e-08 au
q 1.769045893577802 1.4196e-07 au
i 24.25541236324215 6.8983e-06 deg
node 135.2113205865533 1.6564e-05 deg
peri 232.8180362731808 4.671e-05 deg
M 32.85958074188381 4.9911e-05 deg
tp 2457510.085157860985
(2016-May-01.58515786)
0.00013699 JED
period 990.5586874563179
2.71
1.0075e-05
2.758e-08
d
yr
n .3634312681911393 3.6964e-09 deg/d
Q 2.120371200072481 1.4377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      9337 days (25.56 yr)  
   first obs. used      1990-01-26  
   last obs. used      2015-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52192  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:14:24  

Additional Information
 Earth MOID = .801485 au 
 Jupiter MOID = 3.22944 au 
 T_jup = 3.786 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO337467  
rotation period rot_per 59.5 h n/a LCDB (Rev. 2016-February); 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. (2012) Minor Planet Bul. 39, 245-252.]

24702 (1991 OR)          Discovered 1991-Jul-18 by Holt, H. E. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 OR = 1999 NN1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 17:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin