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7482 (1994 PC1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2007482
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 130 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3283045869886862 3.6062e-08  
a 1.346161267705482 2.272e-09 au
q .9042103486912673 4.7556e-08 au
i 33.48902940670292 1.1472e-05 deg
node 117.8849791867789 2.2683e-06 deg
peri 47.60888225642255 1.0069e-05 deg
M 318.5260611572232 1.7312e-05 deg
tp 2459066.222919190303
(2020-Aug-04.72291919)
2.7596e-05 TDB
period 570.4847807728696
1.56
1.4442e-06
3.954e-09
d
yr
n .6310422506140946 1.5976e-09 deg/d
Q 1.788112186719696 3.0179e-09 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      16441 days (45.01 yr)  
   first obs. used      1974-09-22  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-28 07:26:54  

Additional Information
 Earth MOID = .000336685 au 
 Jupiter MOID = 3.3714 au 
 T_jup = 4.667 
[ 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 16.5   n/a MPO492839  
diameter diameter 1.052 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 2.5999 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
geometric albedo albedo 0.277   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
SMASSII spectral type spec_B S   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)

7482 (1994 PC1)          Discovered 1994-Aug-09 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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