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4898 Nishiizumi (1988 FJ)
Classification: Inner Main-belt Asteroid          SPK-ID: 2004898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08165541915760027 5.9303e-08  
a 1.953429517408709 5.5987e-09 au
q 1.793921411369872 1.1667e-07 au
i 18.62253692379586 6.3277e-06 deg
node 3.606151686623872 1.1474e-05 deg
peri 146.3426026341713 2.742e-05 deg
M 159.5062608346372 2.5644e-05 deg
tp 2458158.654659718097
(2018-Feb-09.15465972)
7.0518e-05 TDB
period 997.2293355079629
2.73
4.2872e-06
1.174e-08
d
yr
n .3610002104647526 1.552e-09 deg/d
Q 2.112937623447546 6.0559e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1412  
   data-arc span      13837 days (37.88 yr)  
   first obs. used      1982-01-18  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4148  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:51:22  

Additional Information
 Earth MOID = .814613 au 
 Jupiter MOID = 2.87173 au 
 T_jup = 3.821 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO384798  
diameter diameter 2.178 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.2920 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Warner, B.D (2012) Minor Planet Bull. 39, 69-80.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 167-172.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 256-259.]
geometric albedo albedo 0.994   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4898 Nishiizumi (1988 FJ)          Discovered 1988-Mar-19 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 FJ = 1982 BF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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