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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925054842583307 3.5619e-08  
a 3.161171104253686 1.5104e-08 au
q 2.552628330005888 1.1601e-07 au
i 16.27738384832338 4.2741e-06 deg
node 61.26029979481238 1.4641e-05 deg
peri 260.0245469773707 1.9777e-05 deg
M 272.9653489428194 1.6303e-05 deg
tp 2459496.818111658202
(2021-Oct-09.31811166)
9.4731e-05 TDB
period 2052.912466777926
5.62
1.4713e-05
4.028e-08
d
yr
n .1753606185484494 1.2568e-09 deg/d
Q 3.769713878501484 1.8011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2588  
   data-arc span      32467 days (88.89 yr)  
   first obs. used      1931-10-07  
   last obs. used      2020-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:16:22  

Additional Information
 Earth MOID = 1.60216 au 
 Jupiter MOID = 1.77441 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. 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:
[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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