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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456085.5 (2012-Jun-07.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904509284381775 4.5299e-08  
q 2.561498838401275 1.4241e-07 au
tp 2455391.197324952590
(2010-Jul-13.69732495)
8.8884e-05 TDB
node 61.281088489836 1.7204e-05 deg
peri 260.5412036614326 2.1933e-05 deg
i 16.27732138341462 4.5042e-06 deg
  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
 Jupiter MOID = 1.77249 au 
 T_jup = 3.114 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.051980778793529E-15 -6.420410373343677E-15 1.423276253599459E-12 -8.417175781918348E-15 1.955877257045826E-13 3.260973526046061E-15
q -6.420410373343677E-15 2.028038613613669E-14 -4.135791580493785E-12 2.572048122879773E-14 -5.558026631458003E-13 -8.991097782738472E-15
tp 1.423276253599459E-12 -4.135791580493785E-12 7.900423134736348E-9 -5.969929703078545E-12 1.248462518761757E-9 1.652331534793203E-12
node -8.417175781918348E-15 2.572048122879773E-14 -5.969929703078545E-12 2.959700632304788E-10 -2.844003705615591E-10 -7.984411743046213E-12
peri 1.955877257045826E-13 -5.558026631458003E-13 1.248462518761757E-9 -2.844003705615591E-10 4.810685953865991E-10 7.927311787100383E-12
i 3.260973526046061E-15 -8.991097782738472E-15 1.652331534793203E-12 -7.984411743046213E-12 7.927311787100383E-12 2.028741839063486E-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-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

[ show close-approach data ]
Alternate Designations
 1953 NJ = 1931 TU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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