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7822 (1991 CS)
Classification: Apollo [NEO, PHA]          SPK-ID: 2007822
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 103 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646129659529773 3.206e-08  
a 1.122767593218712 1.014e-09 AU
q .9379454896230937 3.599e-08 AU
i 37.12233864889546 1.0294e-05 deg
node 156.8720952364225 2.5493e-06 deg
peri 249.4555056968036 1.2917e-05 deg
M 80.13446758767778 1.5472e-05 deg
tp 2456903.772472792903
(2014-Sep-03.27247279)
1.8576e-05 JED
period 434.5434722762081
1.19
5.8869e-07
1.612e-09
d
yr
n .828455662017571 1.1223e-09 deg/d
Q 1.307589696814329 1.181e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      663  
   # delay obs. used      0  
   # Doppler obs. used      4  
   data-arc span      8988 days (24.61 yr)  
   first obs. used      1991-01-19  
   last obs. used      2015-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56672  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Aug-31 06:14:29  

Additional Information
 Earth MOID = .0235055 AU 
 T_jup = 5.365 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4 mag n/a PDS3 (MPC 30437)  
rotation period rot_per 2.389 h n/a LCDB (Rev. 2015-July); Warner et al., 2009  
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)

7822 (1991 CS)          Discovered 1991-Feb-13 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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