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25330 (1999 KV4)
Classification: Apollo [NEO]          SPK-ID: 2025330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 165 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3708585091677292 3.9873e-08  
a 1.54039946597692 4.1676e-09 au
q .9691292165019534 6.2004e-08 au
i 14.32801756415022 5.8959e-06 deg
node 50.60164687721942 1.8238e-05 deg
peri 85.97377647772463 2.0832e-05 deg
M 24.44792379231997 1.8106e-05 deg
tp 2458953.077117477284
(2020-Apr-13.57711748)
3.4938e-05 TDB
period 698.3103290570898
1.91
2.8339e-06
7.759e-09
d
yr
n .5155301089217721 2.0922e-09 deg/d
Q 2.111669715451887 5.7132e-09 au
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      14818 days (40.57 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-19 05:50:34  

Additional Information
 Earth MOID = .172941 au 
 Jupiter MOID = 3.02341 au 
 T_jup = 4.357 
[ 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 16.6   n/a MPO214046  
diameter diameter 3.21 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 4.919 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2002) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.052   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
SMASSII spectral type spec_B B   n/a Binzel et al. (2004) Icarus 170, 259-294  

25330 (1999 KV4)          Discovered 1999-May-17 by CSS at Catalina
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 KV4 = 1979 WC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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