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99913 (1997 CZ5)
Classification: Mars-crossing Asteroid          SPK-ID: 2099913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3979855341111909 1.2958e-08  
a 2.292263341688944 3.9978e-09 au
q 1.379975691323366 2.9532e-08 au
i 24.95054205245532 8.8965e-07 deg
node 287.951251037952 2.2084e-06 deg
peri 169.5579712498186 2.4257e-06 deg
M 317.8156857755863 4.7861e-06 deg
tp 2459349.040090143914
(2021-May-14.54009014)
1.7154e-05 TDB
period 1267.637827827035
3.47
3.3162e-06
9.079e-09
d
yr
n .2839927872909145 7.4294e-10 deg/d
Q 3.204550992054521 5.5888e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2037  
   data-arc span      10457 days (28.63 yr)  
   first obs. used      1992-08-02  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:30:38  

Additional Information
 Earth MOID = .400642 au 
 Jupiter MOID = 1.99674 au 
 T_jup = 3.374 
[ 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 13.48   n/a E2021B10  
rotation period rot_per 2.833 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Hornock, K.; et al. (2011) CBET 2648.]
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
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)

99913 (1997 CZ5)          Discovered 1997-Feb-07 by NEAT at Haleakala
Reference: 20050622/Numbers.arcLast Updated: 2005-06-27

[ show close-approach data ]
Alternate Designations
 1997 CZ5 = 1999 NQ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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