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 ]  
22697 Manek (1998 RM)
Classification: Main-belt Asteroid          SPK-ID: 2022697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09084353698792688 2.1077e-08  
a 2.80142822455653 1.2376e-08 au
q 2.546936576020007 5.8559e-08 au
i 16.59527271039934 9.5532e-07 deg
node 207.0221860939154 1.5515e-06 deg
peri 271.3262265757349 6.8652e-06 deg
M 121.5347924257032 7.6221e-06 deg
tp 2458622.316359238281
(2019-May-18.81635924)
3.3955e-05 TDB
period 1712.646284408335
4.69
1.1349e-05
3.107e-08
d
yr
n .2102010224045583 1.3929e-09 deg/d
Q 3.055919873093054 1.35e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      10509 days (28.77 yr)  
   first obs. used      1992-05-04  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:46  

Additional Information
 Earth MOID = 1.62797 au 
 Jupiter MOID = 2.13032 au 
 T_jup = 3.258 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.46   n/a E2021B10  
diameter diameter 8.011 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.1679 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.144   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22697 Mánek           Discovered 1998 Sept. 7 by L. Šarounová at Ondřejov.
Czech amateur astronomer Jan Karel Mánek (b. 1961) has been involved especially in occultation and variable-star observations and research. The name was suggested by the discoverer and L. Vašta.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 RM = 1992 JQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 06:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin