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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3980638733533536 1.2948e-08  
a 2.292529514747904 3.9808e-09 au
q 1.379956336330469 2.9526e-08 au
i 24.95017485129201 8.8952e-07 deg
node 287.9513338101077 2.2083e-06 deg
peri 169.5568787383105 2.4248e-06 deg
M 13.47699957997628 4.8891e-06 deg
tp 2459349.036305022845
(2021-May-14.53630502)
1.7122e-05 TDB
period 1267.858627610485
3.47
3.3023e-06
9.041e-09
d
yr
n .2839433294534476 7.3956e-10 deg/d
Q 3.205102693165339 5.5654e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      10474 days (28.68 yr)  
   first obs. used      1992-08-02  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:58:54  

Additional Information
 Earth MOID = .401037 au 
 Jupiter MOID = 1.99669 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457361.5 (2015-Dec-05.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3970128306633148 1.2932e-08  
q 1.383168059944591 2.9455e-08 au
tp 2456809.126061895311
(2014-May-31.62606190)
1.2543e-05 TDB
node 288.033652553881 2.2121e-06 deg
peri 169.1781782340383 2.4291e-06 deg
i 24.90050893149547 8.8944e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      10474 days (28.68 yr)  
   first obs. used      1992-08-02  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:58:54  

Additional Information
 Jupiter MOID = 1.99669 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.672358349221688E-16 -3.796105290844291E-16 4.59655530756576E-14 -6.836974076987117E-15 4.342715214750289E-15 2.453568019607898E-15
q -3.796105290844291E-16 8.676069699178214E-16 -8.874760339957227E-14 1.641509249706806E-14 -7.46143875588015E-15 -5.965621486712035E-15
tp 4.59655530756576E-14 -8.874760339957227E-14 1.573371482418148E-10 6.797742589227322E-12 2.041290603315868E-11 -3.12418501722767E-12
node -6.836974076987117E-15 1.641509249706806E-14 6.797742589227322E-12 4.89328944184948E-12 -2.516315388890412E-12 -1.560226803311576E-12
peri 4.342715214750289E-15 -7.46143875588015E-15 2.041290603315868E-11 -2.516315388890412E-12 5.90047182716009E-12 6.787052331909407E-13
i 2.453568019607898E-15 -5.965621486712035E-15 -3.12418501722767E-12 -1.560226803311576E-12 6.787052331909407E-13 7.911081686377189E-13

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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