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JPL Small-Body Database Browser
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192 Nausikaa
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450421320849725 2.5691e-08  
a 2.403100507391992 2.9851e-09 au
q 1.814239635446179 6.155e-08 au
i 6.797989328068001 3.3381e-06 deg
node 343.1085347438661 2.9487e-05 deg
peri 30.67497086825389 3.0403e-05 deg
M 358.1932479989674 8.3452e-06 deg
tp 2458607.328925474433
3.155e-05 TDB
period 1360.681028381907
n .2645733955944873 4.9297e-10 deg/d
Q 2.991961379337805 3.7165e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2316  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      50992 days (139.61 yr)  
   first obs. used      1879-03-27  
   last obs. used      2018-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 17:57:35  

Additional Information
 Earth MOID = .817303 au 
 Jupiter MOID = 2.48858 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 7.13   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-January); 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          Discovered 1879-Feb-17 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1933 HH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
FirstGov 2019-Oct-22 07:11 UT
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