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 ]  
192785 (1999 UK30)
Classification: Main-belt Asteroid          SPK-ID: 2192785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009946099259983975 6.8494e-08  
a 2.751856382294231 2.5809e-08 au
q 2.724486145566712 1.9748e-07 au
i 4.210493092514206 7.9893e-06 deg
node 178.0849889313672 6.2192e-05 deg
peri 221.0714376749368 0.00033558 deg
M 207.9086178877164 0.00033286 deg
tp 2459904.932167399339
(2022-Nov-21.43216740)
0.0015459 TDB
period 1667.389543981798
4.57
2.3457e-05
6.422e-08
d
yr
n .2159063557159561 3.0374e-09 deg/d
Q 2.77922661902175 2.6066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:33  

Additional Information
 Earth MOID = 1.726 au 
 Jupiter MOID = 2.2262 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457469.5 (2016-Mar-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009707226603438283 6.4058e-08  
q 2.725309956645046 1.8446e-07 au
tp 2458269.596380514602
(2018-May-31.09638051)
0.0017077 TDB
node 178.1023817429446 6.2197e-05 deg
peri 228.0753909091642 0.00037194 deg
i 4.210130248389685 7.9892e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:33  

Additional Information
 Jupiter MOID = 2.2262 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.10340709022476E-15 -1.17099312240671E-14 -6.626001356820302E-11 -1.748487028935911E-14 -1.420671029163901E-11 2.506713502007854E-15
q -1.17099312240671E-14 3.402457180223599E-14 1.99827091393278E-10 5.177434489375559E-14 4.279891184905264E-11 -6.49127385309069E-15
tp -6.626001356820302E-11 1.99827091393278E-10 2.916223428307083E-6 4.239708488297648E-10 6.262146943278356E-7 -3.9439172525063E-11
node -1.748487028935911E-14 5.177434489375559E-14 4.239708488297648E-10 3.86844834730239E-9 -3.766308164280319E-9 8.623497731280638E-11
peri -1.420671029163901E-11 4.279891184905264E-11 6.262146943278356E-7 -3.766308164280319E-9 1.383368264604475E-7 -9.454850679670159E-11
i 2.506713502007854E-15 -6.49127385309069E-15 -3.9439172525063E-11 8.623497731280638E-11 -9.454850679670159E-11 6.382764212628395E-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 16.70   n/a E2021B55  

192785 (1999 UK30)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1999 UK30 = 2004 VJ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 17:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin