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883 Matterania (A917 RD)
Classification: Main-belt Asteroid          SPK-ID: 2000883
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989818936472523 1.9306e-08  
a 2.238216008148811 4.6822e-09 au
q 1.792851548455767 4.373e-08 au
i 4.715513742203153 6.4897e-07 deg
node 285.4838686059408 4.9133e-06 deg
peri 42.42507919150243 5.5006e-06 deg
M 322.5181943959938 3.2341e-06 deg
tp 2459327.841343160476
(2021-Apr-23.34134316)
1.1311e-05 TDB
period 1223.070308354396
3.35
3.8379e-06
1.051e-08
d
yr
n .2943412145164158 9.2362e-10 deg/d
Q 2.683580467841856 5.6139e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3116  
   data-arc span      37591 days (102.92 yr)  
   first obs. used      1917-09-15  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:34:54  

Additional Information
 Earth MOID = .782648 au 
 Jupiter MOID = 2.65908 au 
 T_jup = 3.606 
[ 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 12.65   n/a E2021B10  
diameter diameter 7.036 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.64 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[LeCrone, C.; Mills, G.; Ditteon, R. (2005) Minor Planet Bull. 32, 62-64.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.263   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.860   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=13.88 deg.
U-B UB 0.480   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=13.88 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

883 Matterania (A917 RD)          Discovered 1917-Sep-14 by Wolf, M. at Heidelberg
Independent discovery earlier the same night by R. Schorr, Bergedorf. Both Wolf and Schorr initially thought the object was Encke's Comet, and Wolf was the first to realize that it was not.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A917 RD = 1927 QK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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