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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925054841018109 3.589e-08  
a 3.161171104226339 1.5159e-08 au
q 2.552628330478592 1.1673e-07 au
i 16.27738384660856 4.2752e-06 deg
node 61.26029952570361 1.4796e-05 deg
peri 260.0245472118148 1.988e-05 deg
M 272.9653489895642 1.6366e-05 deg
tp 2459496.818111385197
(2021-Oct-09.31811139)
9.5109e-05 TDB
period 2052.912466751286
5.62
1.4766e-05
4.043e-08
d
yr
n .1753606185507249 1.2613e-09 deg/d
Q 3.769713877974086 1.8077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      32398 days (88.70 yr)  
   first obs. used      1931-10-07  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:35:30  

Additional Information
 Earth MOID = 1.60216 au 
 Jupiter MOID = 1.77441 au 
 T_jup = 3.114 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456725.5 (2014-Mar-09.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910175168811876 3.5925e-08  
q 2.558236550883767 1.1673e-07 au
tp 2457444.094317076715
(2016-Feb-25.59431708)
8.9041e-05 TDB
node 61.27525087598482 1.4791e-05 deg
peri 260.3045097275644 1.9942e-05 deg
i 16.27675645883354 4.2751e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      32398 days (88.70 yr)  
   first obs. used      1931-10-07  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:35:30  

Additional Information
 Jupiter MOID = 1.77441 au 
 T_jup = 3.114 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.29061927728361E-15 -4.171501131909593E-15 6.011584255566722E-13 -1.375357145550553E-15 1.176316068802956E-13 1.23584714007044E-15
q -4.171501131909593E-15 1.362635477278516E-14 -1.488905549854057E-12 4.201996030469376E-15 -3.201733492628698E-13 -2.819026287508529E-15
tp 6.011584255566722E-13 -1.488905549854057E-12 7.92824107709889E-9 8.404506940746538E-12 1.217049056812062E-9 2.664775628161159E-12
node -1.375357145550553E-15 4.201996030469376E-15 8.404506940746538E-12 2.187601645811517E-10 -2.083810791053647E-10 -1.894429914495508E-11
peri 1.176316068802956E-13 -3.201733492628698E-13 1.217049056812062E-9 -2.083810791053647E-10 3.976838951166826E-10 1.854085105021827E-11
i 1.23584714007044E-15 -2.819026287508529E-15 2.664775628161159E-12 -1.894429914495508E-11 1.854085105021827E-11 1.827663606459983E-11

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-August); 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

[ show close-approach data ]
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 2020-Aug-05 05:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin