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JPL Small-Body Database Browser
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1320 Impala (1934 JG)
Classification: Main-belt Asteroid          SPK-ID: 2001320
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2290292375971363 3.4897e-08  
a 2.992849283297438 1.3994e-08 au
q 2.30739929370069 1.0346e-07 au
i 19.80026082924201 4.5244e-06 deg
node 71.89968666645808 1.1926e-05 deg
peri 205.8260378015314 1.6109e-05 deg
M 145.1375019253476 1.3565e-05 deg
tp 2457838.064972805268
(2017-Mar-25.56497281)
6.8451e-05 TDB
period 1891.148780632054
5.18
1.3264e-05
3.631e-08
d
yr
n .1903604854821004 1.3351e-09 deg/d
Q 3.678299272894187 1.7199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2310  
   data-arc span      31254 days (85.57 yr)  
   first obs. used      1934-05-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40148  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:57:39  

Additional Information
 Earth MOID = 1.30485 au 
 Jupiter MOID = 1.48522 au 
 T_jup = 3.128 
[ 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 10.9   n/a MPO384759  
diameter diameter 37.331 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.1713 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 85-88.]
[Benishek, V. (2016) Minor Planet Bull. 43, 339-342.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Durech, J.; Hanus, J.; Broz, M.; Lehky, M.; et al. (2017) Icarus 304, 101-109.]
geometric albedo albedo 0.078   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1320 Impala (1934 JG)          Discovered 1934-May-13 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1934 JG = 1939 JE = 1949 FV = 1951 WU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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