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1702 Kalahari (A924 NC)
Classification: Main-belt Asteroid          SPK-ID: 2001702
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 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441567061365946 3.4794e-08  
a 2.856185237117266 1.1495e-08 au
q 2.444446981218473 1.0406e-07 au
i 9.965857691413511 3.4744e-06 deg
node 103.8762825311826 2.115e-05 deg
peri 241.8740052090266 2.4607e-05 deg
M 272.4924466645518 1.3912e-05 deg
tp 2459429.069265332675
(2021-Aug-02.56926533)
6.9034e-05 TDB
period 1763.104208025712
4.83
1.0644e-05
2.914e-08
d
yr
n .2041853217531145 1.2327e-09 deg/d
Q 3.26792349301606 1.3152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3188  
   data-arc span      26402 days (72.28 yr)  
   first obs. used      1948-07-05  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:16:20  

Additional Information
 Earth MOID = 1.45516 au 
 Jupiter MOID = 2.15945 au 
 T_jup = 3.266 
[ 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 11.1   n/a MPO473787 IRAS observations used: 6
diameter diameter 34.645 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 21.153 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Oey, J. (2012) Minor Planet Bull. 39, 145-147.]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Devogele, M.; Tanga, P.; Bendjoya, P.; Rivet, J.P.; et al. (2017) ArXiv:1707.07503.]
geometric albedo albedo 0.065   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.735   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.04, mean=12.05, max.=12.06) deg.
U-B UB 0.270   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=12.06 deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B L   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1702 Kalahari (A924 NC)          Discovered 1924-Jul-07 by Hertzsprung, E. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A924 NC = 1948 NE = 1953 OE = 1962 JN = 1964 YM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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