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3202 Graff (A908 AA)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136960655298065 2.2958e-08  
a 3.929485337208886 2.6874e-08 au
q 3.482718314811171 9.1391e-08 au
i 11.11153865950479 1.6156e-07 deg
node 205.1250117504897 4.3293e-06 deg
peri 268.3311469207314 1.0994e-05 deg
M 111.9692815564512 1.271e-05 deg
tp 2458511.591581947059
(2019-Jan-28.09158195)
9.8985e-05 TDB
period 2845.128825252378
7.79
2.9187e-05
7.991e-08
d
yr
n .1265320560548137 1.298e-09 deg/d
Q 4.376252359606601 2.9929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2707  
   data-arc span      41451 days (113.49 yr)  
   first obs. used      1908-01-03  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:17:23  

Additional Information
 Earth MOID = 2.52513 au 
 Jupiter MOID = 1.0104 au 
 T_jup = 3.019 
[ 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 11.05   n/a MPCxxxxx  
diameter diameter 35.910 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 17.32 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 52-56.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 196-199.]
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

3202 Graff (A908 AA)          Discovered 1908-Jan-03 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A908 AA = 1981 ES13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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