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3199 Nefertiti (1982 RA)
Classification: Amor [NEO]          SPK-ID: 2003199
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 340 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2840552627307784 3.0329e-08  
a 1.574596111916712 2.0954e-09 au
q 1.127323799651348 4.7203e-08 au
i 32.96316473763782 1.2532e-06 deg
node 339.9897594167158 1.4669e-06 deg
peri 53.42713676597163 7.3542e-06 deg
M 100.5485275184514 1.2658e-05 deg
tp 2458998.930228660801
(2020-May-29.43022866)		 2.5091e-05 TDB
period 721.6924948880584
1.98		 1.4406e-06
3.944e-09		 d
yr
n .4988274127138312 9.9571e-10 deg/d
Q 2.021868424182076 2.6906e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1997  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      14096 days (38.59 yr)  
   first obs. used      1982-09-13  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:24:48  

Additional Information
 Earth MOID = .214795 au 
 Jupiter MOID = 3.61762 au 
 T_jup = 4.190 
[ 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 14.8   n/a MPO473809  
diameter diameter 2.2 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 3.021 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1985) Bull. Amer. Astron. Soc. 17, 726.]
[Pravec, P.; Wolf, M.; Sarounova, L.; Mottola, S.; et al. (1997) Icarus 130, 275-286.]
[Kaasalainen, M.; et al. (2004) Icarus 167, 178-196.]
[Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (2009) Planet. Space Sci. 57, 1-9.]
geometric albedo albedo 0.42   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV 0.895   0.076 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=21.11, mean=44.90, max.=56.99) deg.
U-B UB 0.418   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=21.11, mean=44.90, max.=56.99) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Sq   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)

3199 Nefertiti (1982 RA)          Discovered 1982-Sep-13 by Shoemaker, C. and Shoemaker, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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