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JPL Small-Body Database Browser
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41049 Van Citters (1999 VC9)
Classification: Main-belt Asteroid          SPK-ID: 2041049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2520610691872573 4.1349e-08  
a 2.757201094543712 1.6656e-08 au
q 2.062218038688748 1.1663e-07 au
i 14.51597826138354 4.8146e-06 deg
node 74.63153113877918 1.9143e-05 deg
peri 274.7546011084317 2.1116e-05 deg
M 110.6434690670949 1.036e-05 deg
tp 2458086.545854435669
(2017-Nov-29.04585444)
4.6765e-05 TDB
period 1672.249559447198
4.58
1.5152e-05
4.148e-08
d
yr
n .2152788726815431 1.9507e-09 deg/d
Q 3.452184150398677 2.0854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      9491 days (25.98 yr)  
   first obs. used      1993-04-13  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54503  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:14:02  

Additional Information
 Earth MOID = 1.11607 au 
 Jupiter MOID = 2.2166 au 
 T_jup = 3.251 
[ 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 13.8   n/a MPO324678  
diameter diameter 4.299 km 0.950 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

41049 Van Citters           Discovered 1999 Nov. 9 by C. W. Juels at Fountain Hills.
G. Wayne Van Citters (b. 1947) is the astronomical sciences division director at the U.S. National Science Foundation, and the NSF project manager for the Gemini Observatory. His interests include high energy astrophysics, high speed photometry and polarization.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

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Alternate Designations
 1999 VC9 = 1998 KZ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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