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6532 Scarfe (1995 AC)
Classification: Main-belt Asteroid          SPK-ID: 2006532
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098936775442168 3.3846e-08  
a 3.172489550594317 1.7877e-08 au
q 2.823853006908908 1.113e-07 au
i 5.082965541309527 3.7451e-06 deg
node 102.863705692675 4.2868e-05 deg
peri 230.4355906637884 4.6194e-05 deg
M 299.8392531116843 1.8235e-05 deg
tp 2459345.412906581648
(2021-May-10.91290658)
0.00010527 TDB
period 2063.947886150816
5.65
1.7445e-05
4.776e-08
d
yr
n .1744230086503717 1.4743e-09 deg/d
Q 3.521126094279726 1.9841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2168  
   data-arc span      13381 days (36.64 yr)  
   first obs. used      1984-01-25  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:35:01  

Additional Information
 Earth MOID = 1.81688 au 
 Jupiter MOID = 1.81804 au 
 T_jup = 3.186 
[ 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 12.5   n/a MPO347577  
diameter diameter 11.971 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.932 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.258   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6532 Scarfe (1995 AC)          Discovered 1995-Jan-04 by Balam, D. D. at Climenhaga
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1995 AC = 1987 RB3 = 1987 SO22 = 1992 ON10 = 1993 TA40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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