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985 Rosina (A922 TC)
Classification: Mars-crossing Asteroid          SPK-ID: 2000985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2770573566827439 2.3872e-08  
a 2.300070489413423 4.562e-09 au
q 1.662819039432555 5.5705e-08 au
i 4.057594516188209 3.6724e-07 deg
node 290.2951636191722 1.1727e-05 deg
peri 59.56338202325004 1.2178e-05 deg
M 72.09478911044202 4.305e-06 deg
tp 2458945.340630279176
(2020-Apr-05.84063028)
1.4816e-05 TDB
period 1274.119450696782
3.49
3.7907e-06
1.038e-08
d
yr
n .2825480764798981 8.4062e-10 deg/d
Q 2.937321939394291 5.8259e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3432  
   data-arc span      35956 days (98.44 yr)  
   first obs. used      1922-10-14  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:04:17  

Additional Information
 Earth MOID = .659431 au 
 Jupiter MOID = 2.51353 au 
 T_jup = 3.537 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.88   n/a E2021B10  
rotation period rot_per 3.0126 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Martinez, J.; Aymami, J.M.; Bosque, R.; Martin, J. (2010) Minor Planet Bull. 37, 42-43.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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)

985 Rosina (A922 TC)          Discovered 1922-Oct-14 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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