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 ]  
1701 Okavango (1953 NJ)
Classification: Main-belt Asteroid          SPK-ID: 2001701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1921410547359635 4.5119e-08  
a 3.161841113077346 1.738e-08 au
q 2.554321626703132 1.4165e-07 au
i 16.27675903351144 4.5039e-06 deg
node 61.26498257566724 1.7216e-05 deg
peri 260.0004453233333 2.1898e-05 deg
M 202.8231175712737 1.7508e-05 deg
tp 2459497.091587862866
(2021-Oct-09.59158786)
0.00010415 TDB
period 2053.56517220016
5.62
1.6932e-05
4.636e-08
d
yr
n .1753048819065729 1.4454e-09 deg/d
Q 3.769360599451559 2.072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2128  
   data-arc span      31992 days (87.59 yr)  
   first obs. used      1931-10-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43118  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:26:16  

Additional Information
 Earth MOID = 1.60305 au 
 Jupiter MOID = 1.77249 au 
 T_jup = 3.114 
[ 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 10.7   n/a MPO384763  
diameter diameter 19.461 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.204 h n/a LCDB (Rev. 2019-January); 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:
[Higgins, D.J. (2004) Minor Planet Bull. 32, 13-14.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.]
geometric albedo albedo 0.217   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1701 Okavango (1953 NJ)          Discovered 1953-Jul-06 by Churms, J. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1978-Sep-16 05:28 00:01 Jupiter 1.85500081753246 1.8550000512205 1.8550015838462 3.07159860070572 2.91915853344082 2443767.727527507 1.08627450480818 114.465946241378 21.8975160408247 -69.5044486833567 1817388.1465245 T 29 CATAB v2.0e-lin.ifort 2019-May-29 19:26:25 2019-May-29 19:26
1989-Jul-15 16:32 < 00:01 Jupiter 1.76050033276618 1.76049984330998 1.76050082222307 4.40328547274171 4.29262983697664 2447723.189131963 0.589522026973849 116.046464140343 17.8005616792586 -83.0335313028301 2969445.12593107 T 29 CATAB v2.0e-lin.ifort 2019-May-29 19:26:25 2019-May-29 19:26
2000-May-27 11:32 < 00:01 Jupiter 1.95134366013124 1.95134310293096 1.9513442173324 5.27980441271915 5.19694061868732 2451691.980647522 0.315098161438407 141.544188086929 23.0943146965897 -84.4992094182918 3547196.01672904 T 29 CATAB v2.0e-lin.ifort 2019-May-29 19:26:25 2019-May-29 19:26
2097-Jul-25 23:44 00:03 Jupiter 1.90983465535516 1.90983364660667 1.90983566410679 2.53857672916976 2.35740544914623 2487180.489157757 2.78986448555356 157.476953406889 46.1954186790081 -50.5484849425949 978422.174088935 T 29 CATAB v2.0e-lin.ifort 2019-May-29 19:26:25 2019-May-29 19:26
2108-May-04 20:35 00:03 Jupiter 1.79279026190137 1.7927897423214 1.79279078148571 4.21224255356234 4.09854442523109 2491115.357398652 2.65113788628984 294.587600168463 19.3238610142453 -86.1915281390537 2786500.61083102 T 29 CATAB v2.0e-lin.ifort 2019-May-29 19:26:25 2019-May-29 19:26
2119-Mar-16 22:28 00:03 Jupiter 1.92507228692748 1.92507094734001 1.92507362651483 5.26589838734439 5.18166917873748 2495083.436258980 2.97756447425277 130.117202767122 63.8113672358347 87.3336042011065 1878596.94229549 T 29 CATAB v2.0e-lin.ifort 2019-May-29 19:26:25 2019-May-29 19:26

Alternate Designations
 1953 NJ = 1931 TU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin