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2423 Ibarruri (1972 NC)
Classification: Mars-crossing Asteroid          SPK-ID: 2002423
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2830197881652313 3.4615e-08  
a 2.188120275745131 6.5527e-09 au
q 1.568838938823697 7.7303e-08 au
i 4.057494169342936 3.2052e-06 deg
node 264.9561033654354 5.0615e-05 deg
peri 80.60155674214691 5.1023e-05 deg
M 259.910595617104 1.0776e-05 deg
tp 2459329.193273499814
(2021-Apr-24.69327350)
3.639e-05 TDB
period 1182.238811285746
3.24
5.3106e-06
1.454e-08
d
yr
n .3045070053219463 1.3679e-09 deg/d
Q 2.807401612666566 8.4073e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2393  
   data-arc span      23294 days (63.78 yr)  
   first obs. used      1956-11-03  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:28  

Additional Information
 Earth MOID = .568322 au 
 Jupiter MOID = 2.63397 au 
 T_jup = 3.619 
[ 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 13.3   n/a MPO298976  
diameter diameter 4.899 km 1.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 139.79 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Buchheim, R.K. (2012) Minor Planet Bull. 39, 209-211.]
[Ferrero, A. (2012) Minor Planet Bull. 39, 65-67.]
geometric albedo albedo 0.330   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B A   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)

2423 Ibarruri (1972 NC)          Discovered 1972-Jul-14 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1972 NC = 1930 SV = 1943 TB = 1956 VC = 1972 PB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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