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 ]  
18801 Noelleoas (1999 JO76)
Classification: Main-belt Asteroid          SPK-ID: 2018801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425588899480989 2.9811e-08  
a 2.375811521883795 7.8106e-09 au
q 2.037118468598138 7.0186e-08 au
i 6.863739519339214 3.5917e-06 deg
node 125.6556502221481 2.71e-05 deg
peri 163.7461896330065 2.9994e-05 deg
M 230.1883863261388 1.3474e-05 deg
tp 2459482.811315473680
(2021-Sep-25.31131547)
5.1149e-05 TDB
period 1337.569641548083
3.66
6.596e-06
1.806e-08
d
yr
n .2691448645495134 1.3272e-09 deg/d
Q 2.714504575169452 8.9241e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      10133 days (27.74 yr)  
   first obs. used      1992-07-31  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:53:29  

Additional Information
 Earth MOID = 1.0219 au 
 Jupiter MOID = 2.45476 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456842.5 (2014-Jul-04.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433916373454613 2.9839e-08  
q 2.035065907356744 7.0317e-08 au
tp 2456807.774223369282
(2014-May-30.27422337)
4.6061e-05 TDB
node 125.7090272672018 2.7088e-05 deg
peri 163.734122822732 2.9952e-05 deg
i 6.865575661620033 3.5932e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      10133 days (27.74 yr)  
   first obs. used      1992-07-31  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:53:29  

Additional Information
 Jupiter MOID = 2.45476 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.903874737493604E-16 -2.088979671095074E-15 3.677262520410209E-13 -2.342541731885047E-15 1.074370839590739E-13 -5.808459583215822E-17
q -2.088979671095074E-15 4.944476377886482E-15 -8.014169594340604E-13 5.945885501409821E-15 -2.358515549738158E-13 3.398789949297129E-16
tp 3.677262520410209E-13 -8.014169594340604E-13 2.121608962026617E-9 -3.115431716953758E-12 5.984726259874617E-10 1.074599692917817E-12
node -2.342541731885047E-15 5.945885501409821E-15 -3.115431716953758E-12 7.337513793936679E-10 -7.289052828072201E-10 1.878314065899315E-11
peri 1.074370839590739E-13 -2.358515549738158E-13 5.984726259874617E-10 -7.289052828072201E-10 8.970983391735613E-10 -1.834395741409811E-11
i -5.808459583215822E-17 3.398789949297129E-16 1.074599692917817E-12 1.878314065899315E-11 -1.834395741409811E-11 1.291136887005713E-11

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 14.2   n/a MPO452437  
diameter diameter 3.626 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.337   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18801 Noelleoas           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Noelle Joan Oas (b. 1984) was awarded third place in the 2003 Intel International Science and Engineering Fair for her environmental science team project. She attends the Winona Senior High School, Winona, Minnesota, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2173-Oct-23 17:07 00:20 Europ 0.0444792739928663 0.0444767641519669 0.0444817839909062 2.18712423199155 2.18712412273674 2515028.213409468 19.6541190243935 187.161996225234 40.9938185275684 -49.7216010756135 125669.389336541 T 32 CATAB v2.0f-lin.ifort 2020-May-20 04:53:42 2020-May-20 04:53

Alternate Designations
 1999 JO76 = 1992 OB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 03:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin