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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
35913 (1999 JC97)
Classification: Main-belt Asteroid          SPK-ID: 2035913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706982858721622 3.6114e-08  
a 3.162465787426649 2.3315e-08 au
q 2.622638298383563 1.1509e-07 au
i 15.86847675908501 4.1756e-06 deg
node 115.2702106647809 1.5726e-05 deg
peri 198.2732778576398 1.9984e-05 deg
M 200.4882896968701 1.3613e-05 deg
tp 2459910.679923076579
(2022-Nov-27.17992308)
8.0823e-05 TDB
period 2054.17377623804
5.62
2.2717e-05
6.22e-08
d
yr
n .1752529431367265 1.9381e-09 deg/d
Q 3.702293276469736 2.7295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:59:21  

Additional Information
 Earth MOID = 1.61269 au 
 Jupiter MOID = 1.58509 au 
 T_jup = 3.123 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457136.5 (2015-Apr-24.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169128285960771 3.6068e-08  
q 2.629196218529157 1.145e-07 au
tp 2457854.593822532636
(2017-Apr-11.09382253)
7.6232e-05 TDB
node 115.3136587588208 1.5721e-05 deg
peri 197.8621690748917 2.0074e-05 deg
i 15.86676408509038 4.1752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:59:21  

Additional Information
 Jupiter MOID = 1.58509 au 
 T_jup = 3.123 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.30093282650289E-15 -4.070665023815135E-15 7.747352326210317E-15 6.594098097595603E-16 9.115594308950062E-15 -1.326992909956515E-15
q -4.070665023815135E-15 1.31107326060879E-14 1.074224806975456E-13 -1.002894112338068E-14 -2.96899305445531E-14 4.742668288803697E-15
tp 7.747352326210317E-15 1.074224806975456E-13 5.811251506816266E-9 6.044310666682448E-12 9.74416308983377E-10 2.103240409105224E-12
node 6.594098097595603E-16 -1.002894112338068E-14 6.044310666682448E-12 2.471383131221535E-10 -2.363385259361892E-10 -1.060076779290244E-12
peri 9.115594308950062E-15 -2.96899305445531E-14 9.74416308983377E-10 -2.363385259361892E-10 4.02978769613483E-10 1.369194265411321E-12
i -1.326992909956515E-15 4.742668288803697E-15 2.103240409105224E-12 -1.060076779290244E-12 1.369194265411321E-12 1.743191558427056E-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 13.7   n/a MPO337553  
diameter diameter 7.875 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.016 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.113   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35913 (1999 JC97)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JC97 = 2000 PN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 03:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin