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JPL Small-Body Database Browser
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168531 Joshuakammer (1999 VF12)
Classification: Inner Main-belt Asteroid          SPK-ID: 2168531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08244394373022196 1.1328e-07  
a 1.92798967939678 9.6153e-09 au
q 1.769038606756143 2.2232e-07 au
i 23.52577348605981 1.1235e-05 deg
node 40.38693876075904 1.1945e-05 deg
peri 125.7544142333118 6.4622e-05 deg
M 341.8562644914319 5.8162e-05 deg
tp 2458649.781020165732
(2019-Jun-15.28102017)
0.00015791 TDB
period 977.8122730727353
2.68
7.3148e-06
2.003e-08
d
yr
n .3681688294509893 2.7542e-09 deg/d
Q 2.086940752037417 1.0408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67879  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:28:31  

Additional Information
 Earth MOID = .808007 au 
 Jupiter MOID = 2.92627 au 
 T_jup = 3.811 
[ 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 17.1   n/a MPO359876  

168531 Joshuakammer           Discovered 1999 Nov. 10 by M. W. Buie at Kitt Peak.
Joshua A. Kammer (b. 1986) is a research scientist at the Southwest Research Institute, who served as a postdoctoral science team member for the atmospheric investigation for the New Horizons Mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-09-25Last Updated: 2018-10-01

[ show close-approach data ]
Alternate Designations
 1999 VF12 = 1998 HC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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