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 ]  
17915 (1999 GU)
Classification: Main-belt Asteroid          SPK-ID: 2017915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04391375942636445 4.4357e-08  
a 2.230106133983539 6.1783e-09 au
q 2.132173789720526 9.7418e-08 au
i .888691450293183 4.5608e-06 deg
node 10.36761251355195 0.00017928 deg
peri 173.7096083880164 0.0001824 deg
M 198.7006786318609 3.468e-05 deg
tp 2459745.525428039903
(2022-Jun-15.02542804)
0.00011789 TDB
period 1216.428887797675
3.33
5.055e-06
1.384e-08
d
yr
n .2959482495123693 1.2299e-09 deg/d
Q 2.328038478246552 6.4497e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1362  
   data-arc span      10578 days (28.96 yr)  
   first obs. used      1992-02-26  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:17:40  

Additional Information
 Earth MOID = 1.13253 au 
 Jupiter MOID = 2.62756 au 
 T_jup = 3.641 
[ show covariance matrix ]

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 15.68   n/a E2021B10  
diameter diameter 1.951 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.580 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 190-195.]
geometric albedo albedo 0.293   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17915 (1999 GU)          Discovered 1999-Apr-05 by Korlevic, K. at Visnjan
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ 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
2197-Mar-15 02:15 < 00:01 Juno 0.0140916994723467 0.0140832494508987 0.0141001867190447 6.96290944108243 6.96290931709094 2523571.594059986 0.824251196813642 1220.55707532487 32.8960751695299 69.8207778850401 60129.8315778174 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:17:46 2021-Apr-13 02:17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 10:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin