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192 Nausikaa (A879 DA)
Classification: Main-belt Asteroid          SPK-ID: 2000192
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2452561615853181 2.5329e-08  
a 2.403337756215433 2.9468e-09 au
q 1.813904363132965 6.06e-08 au
i 6.79842812474254 3.2715e-06 deg
node 343.0993247445767 2.8859e-05 deg
peri 30.67382215219142 2.9789e-05 deg
M 104.0022741120303 8.3511e-06 deg
tp 2458607.347559739866
3.1149e-05 TDB
period 1360.882535522139
n .2645342199662196 4.8653e-10 deg/d
Q 2.992771149297901 3.6695e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2583  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      51568 days (141.19 yr)  
   first obs. used      1879-03-27  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:08:51  

Additional Information
 Earth MOID = .817786 au 
 Jupiter MOID = 2.49114 au 
 T_jup = 3.474 
[ 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 7.3   n/a MPO502154 IRAS observations used: 17
magnitude slope G 0.03   n/a PDS3 (MPC 17258) Fit
diameter diameter 98.776 km 1.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 13.625 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Yang, X.-y.; Zhang, Y.-y.; Li, X.-q. (1965) Acta Astron. Sin. 13, 66-74.]
[Scaltriti, F.; Zappala, V. (1976) Astron. Astrophys. Suppl. Ser. 23, 167-179.]
[Dotto, E.; De Angelis, G.; Di Martino, M.; Barucci, M.A.; et al. (1995) Icarus 117, 313-327.]
[Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.]
[Marchis, F.; Kaasalainen, M.; Hom, E.F.Y.; Berthier, J.; et al. (2006) Icarus 185, 39-63.]
geometric albedo albedo 0.327   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.927   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=15.65, mean=21.90, max.=30.29) deg.
U-B UB 0.487   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=15.65, mean=21.90, max.=30.29) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Sl   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)

192 Nausikaa (A879 DA)          Discovered 1879-Feb-17 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A879 DA = 1933 HH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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