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 ]  
4482 Frerebasile (1986 RB)
Classification: Main-belt Asteroid          SPK-ID: 2004482
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588946049134572 5.2705e-08  
a 2.342682305656925 1.0398e-08 au
q 1.736174495696128 1.2216e-07 au
i 24.92418357964827 7.2089e-06 deg
node 334.2710521491639 9.6071e-06 deg
peri 37.23851932483721 1.4465e-05 deg
M 130.3629170652109 1.3469e-05 deg
tp 2458526.236074144100
(2019-Feb-11.73607414)
4.7056e-05 TDB
period 1309.690034189077
3.59
8.7199e-06
2.387e-08
d
yr
n .2748741996978711 1.8301e-09 deg/d
Q 2.949190115617722 1.309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      15778 days (43.20 yr)  
   first obs. used      1977-02-16  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:08:29  

Additional Information
 Earth MOID = .770424 au 
 Jupiter MOID = 2.61069 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456953.5 (2014-Oct-23.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2591254212250456 5.2954e-08  
q 1.735344674293236 1.2293e-07 au
tp 2457215.109327643734
(2015-Jul-11.60932764)
4.222e-05 TDB
node 334.3661853971687 9.5924e-06 deg
peri 36.88309622581051 1.4443e-05 deg
i 24.95419054949783 7.2121e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      15778 days (43.20 yr)  
   first obs. used      1977-02-16  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:08:29  

Additional Information
 Jupiter MOID = 2.61069 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.80413666234859E-15 -6.497529308665982E-15 -4.34252723457438E-13 6.10984727666046E-16 -2.157489175996284E-13 2.685436649732438E-15
q -6.497529308665982E-15 1.511288881624924E-14 1.17266377648937E-12 -2.399121125780814E-15 5.347207784358184E-13 -8.285455655454376E-15
tp -4.34252723457438E-13 1.17266377648937E-12 1.782567561266426E-9 -8.616064933920499E-12 4.556769976249541E-10 -2.040275831772702E-11
node 6.10984727666046E-16 -2.399121125780814E-15 -8.616064933920499E-12 9.201482937019188E-11 -8.472811073494276E-11 3.930895142334341E-12
peri -2.157489175996284E-13 5.347207784358184E-13 4.556769976249541E-10 -8.472811073494276E-11 2.085989086941679E-10 -8.201885663617856E-12
i 2.685436649732438E-15 -8.285455655454376E-15 -2.040275831772702E-11 3.930895142334341E-12 -8.201885663617856E-12 5.201432357855077E-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 13.0   n/a MPO502196  
diameter diameter 7.064 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.294   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4482 Frerebasile (1986 RB)          Discovered 1986-Sep-01 by Maury, A. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2124-Jan-10 13:15 < 00:01 Ceres 0.0494560982167544 0.0494535595998805 0.049458639756459 10.7217209744194 10.7217201776964 2496844.052296537 0.69373419467388 638.926042237071 37.0265205115179 79.0645797011433 195960.953318745 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:08:41 2020-May-20 02:08

Alternate Designations
 1986 RB = 1977 DB 
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 15:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin