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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2454272311831979 2.5295e-08  
a 2.403041822307045 2.9503e-09 au
q 1.8132699214408 6.0518e-08 au
i 6.799120264488087 3.2648e-06 deg
node 343.0989152572379 2.8403e-05 deg
peri 30.66278387241051 2.9316e-05 deg
M 156.9158799191555 8.3728e-06 deg
tp 2458607.431556218061
(2019-May-03.93155622)
3.0998e-05 TDB
period 1360.631185776084
3.73
2.5058e-06
6.861e-09
d
yr
n .2645830874401584 4.8726e-10 deg/d
Q 2.992813723173289 3.6744e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2743  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      51853 days (141.97 yr)  
   first obs. used      1879-03-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:27:30  

Additional Information
 Earth MOID = .815687 au 
 Jupiter MOID = 2.49217 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 7.34   n/a E2021B10 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] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.625 h n/a LCDB (Rev. 2020-October); 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] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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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