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 ]  
190356 (1999 BY28)
Classification: Main-belt Asteroid          SPK-ID: 2190356
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 .1332171116319167 4.3591e-08  
a 2.384089792634429 9.2513e-09 au
q 2.066488236588535 1.0196e-07 au
i .6131386704066001 5.1636e-06 deg
node 296.0815563431252 0.00042402 deg
peri 136.1159740136729 0.00042474 deg
M 27.34548725656712 2.2042e-05 deg
tp 2459098.367137329638
(2020-Sep-05.86713733)
8.2218e-05 TDB
period 1344.566663462927
3.68
7.8263e-06
2.143e-08
d
yr
n .2677442552924978 1.5584e-09 deg/d
Q 2.701691348680323 1.0484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      11133 days (30.48 yr)  
   first obs. used      1990-10-13  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:17:53  

Additional Information
 Earth MOID = 1.0807 au 
 Jupiter MOID = 2.54186 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326076805563852 4.3258e-08  
q 2.068111449967374 1.0102e-07 au
tp 2457750.739408173412
(2016-Dec-28.23940817)
8.1935e-05 TDB
node 296.3677031781064 0.00042547 deg
peri 135.114568037251 0.0004262 deg
i .6115537140530768 5.1586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      11133 days (30.48 yr)  
   first obs. used      1990-10-13  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:17:53  

Additional Information
 Jupiter MOID = 2.54186 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.871268129007542E-15 -4.356976047284043E-15 7.767343464423098E-13 -2.073238177679672E-14 2.553826115546637E-13 -3.508291466870364E-16
q -4.356976047284043E-15 1.020419211100363E-14 -1.774384943115866E-12 4.658170620902483E-14 -5.882390048729306E-13 8.290372263854562E-16
tp 7.767343464423098E-13 -1.774384943115866E-12 6.713332781248273E-9 -2.310801458534358E-11 2.049088565734072E-9 3.678773240004475E-13
node -2.073238177679672E-14 4.658170620902483E-14 -2.310801458534358E-11 1.810277244841612E-7 -1.810238247926575E-7 3.869189085316153E-11
peri 2.553826115546637E-13 -5.882390048729306E-13 2.049088565734072E-9 -1.810238247926575E-7 1.816440947279904E-7 -3.859289611467557E-11
i -3.508291466870364E-16 8.290372263854562E-16 3.678773240004475E-13 3.869189085316153E-11 -3.859289611467557E-11 2.661153898576484E-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 17.33   n/a MPCxxxxx  

190356 (1999 BY28)          Discovered 1999-Jan-18 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 1999 BY28 = 2001 SQ137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 12:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin