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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291131849074426 3.456e-08  
a 2.992607315643946 1.3933e-08 au
q 2.306961522379449 1.0261e-07 au
i 19.79779034080469 4.3104e-06 deg
node 71.89532829162705 1.1318e-05 deg
peri 205.8992009320329 1.5366e-05 deg
M 221.1793639743633 1.3684e-05 deg
tp 2459729.662887112534
(2022-May-30.16288711)
7.508e-05 TDB
period 1890.919440190689
5.18
1.3206e-05
3.616e-08
d
yr
n .1903835733814741 1.3296e-09 deg/d
Q 3.678253108908442 1.7125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2638  
   data-arc span      31599 days (86.51 yr)  
   first obs. used      1934-05-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:59:49  

Additional Information
 Earth MOID = 1.30491 au 
 Jupiter MOID = 1.48668 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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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