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 ]  
187838 (1999 VT165)
Classification: Main-belt Asteroid          SPK-ID: 2187838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157190589218466 5.1562e-08  
a 2.182381828397288 8.8348e-09 au
q 1.711600474167286 1.1289e-07 au
i 6.227258197809181 3.7641e-06 deg
node 254.0156779165067 4.8276e-05 deg
peri 60.00168559040759 4.8944e-05 deg
M 269.1577393581643 9.0342e-06 deg
tp 2459497.652894249526
(2021-Oct-10.15289425)
3.0102e-05 TDB
period 1177.591147270108
3.22
7.1507e-06
1.958e-08
d
yr
n .3057088199368278 1.8564e-09 deg/d
Q 2.653163182627289 1.0741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:02  

Additional Information
 Earth MOID = .705994 au 
 Jupiter MOID = 2.64075 au 
 T_jup = 3.642 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457744.5 (2016-Dec-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160459003281843 5.1571e-08  
q 1.710867976424596 1.1296e-07 au
tp 2458319.234356630241
(2018-Jul-19.73435663)
2.8497e-05 TDB
node 254.0681688776004 4.8306e-05 deg
peri 59.87633643807234 4.8972e-05 deg
i 6.225126087154897 3.7635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:02  

Additional Information
 Jupiter MOID = 2.64075 au 
 T_jup = 3.642 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.6595312714407E-15 -5.814713204476452E-15 4.847086975385065E-13 9.657305292250794E-15 7.215162241676859E-14 -7.636016911281743E-15
q -5.814713204476452E-15 1.276072659706007E-14 -1.037711019537666E-12 -2.00957555004502E-14 -1.608902957351567E-13 1.687985901552542E-14
tp 4.847086975385065E-13 -1.037711019537666E-12 8.120559770884498E-10 1.107869608840613E-12 2.505902881874237E-10 -2.713521400745765E-12
node 9.657305292250794E-15 -2.00957555004502E-14 1.107869608840613E-12 2.333505099506988E-9 -2.320042503915457E-9 3.193430971103466E-11
peri 7.215162241676859E-14 -1.608902957351567E-13 2.505902881874237E-10 -2.320042503915457E-9 2.398214685915298E-9 -3.24304919431313E-11
i -7.636016911281743E-15 1.687985901552542E-14 -2.713521400745765E-12 3.193430971103466E-11 -3.24304919431313E-11 1.416376002603945E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.75   n/a E2021B55  

187838 (1999 VT165)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

Alternate Designations
 1999 VT165 = 2002 PY40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-17 21:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin