Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
74844 (1999 TV39)
Classification: Main-belt Asteroid          SPK-ID: 2074844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117790330898421 4.3543e-08  
a 2.545444443937575 1.3849e-08 au
q 2.245615700602621 1.1353e-07 au
i 9.489640358893329 4.4242e-06 deg
node 132.9893833559158 2.9459e-05 deg
peri 190.8869493965583 3.5948e-05 deg
M 85.15306915081058 2.057e-05 deg
tp 2458649.633692893845
(2019-Jun-15.13369289)
8.5034e-05 TDB
period 1483.350768420464
4.06
1.2106e-05
3.314e-08
d
yr
n .2426937765929387 1.9807e-09 deg/d
Q 2.84527318727253 1.5481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7333 days (20.08 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:56:21  

Additional Information
 Earth MOID = 1.23376 au 
 Jupiter MOID = 2.45547 au 
 T_jup = 3.414 
[ 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 15.7   n/a MPO449471  
diameter diameter 3.836 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74844 (1999 TV39)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TV39 = 2001 DA36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 00:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin