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 ]  
27965 (1997 SH25)
Classification: Main-belt Asteroid          SPK-ID: 2027965
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587655615957571 3.6158e-08  
a 2.414509811054573 8.4435e-09 au
q 2.031168804924028 8.9221e-08 au
i 2.519719056141911 3.7002e-06 deg
node 85.378208009689 9.6358e-05 deg
peri 344.9079307196165 9.7262e-05 deg
M 326.7991597556744 1.4632e-05 deg
tp 2459126.882942537371
(2020-Oct-04.38294254)
5.6053e-05 TDB
period 1370.382766780418
3.75
7.1883e-06
1.968e-08
d
yr
n .2627003263079448 1.378e-09 deg/d
Q 2.797850817185117 9.784e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1366  
   data-arc span      14490 days (39.67 yr)  
   first obs. used      1980-02-18  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:03:17  

Additional Information
 Earth MOID = 1.04573 au 
 Jupiter MOID = 2.47351 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456523.5 (2013-Aug-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590563661080665 3.6257e-08  
q 2.031106286205714 8.9623e-08 au
tp 2456382.312377642180
(2013-Mar-30.81237764)
4.9523e-05 TDB
node 85.40187392532408 9.6411e-05 deg
peri 344.2792994527244 9.7312e-05 deg
i 2.519772482002146 3.6994e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1366  
   data-arc span      14490 days (39.67 yr)  
   first obs. used      1980-02-18  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:03:17  

Additional Information
 Jupiter MOID = 2.47351 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.314584982417398E-15 -3.239598162244381E-15 -5.142807727339665E-13 -9.886028630317704E-15 -1.511123762194623E-13 4.330090492685845E-17
q -3.239598162244381E-15 8.032348369305329E-15 1.363906293008457E-12 2.372526597441236E-14 3.982112536289875E-13 -8.605093470798869E-17
tp -5.142807727339665E-13 1.363906293008457E-12 2.452497205416271E-9 2.8058478775691E-12 6.746602600334487E-10 -5.624273189354352E-13
node -9.886028630317704E-15 2.372526597441236E-14 2.8058478775691E-12 9.295070345737947E-9 -9.284700793618886E-9 -7.085150008214709E-11
peri -1.511123762194623E-13 3.982112536289875E-13 6.746602600334487E-10 -9.284700793618886E-9 9.469703617644148E-9 7.06264480931902E-11
i 4.330090492685845E-17 -8.605093470798869E-17 -5.624273189354352E-13 -7.085150008214709E-11 7.06264480931902E-11 1.368528166314609E-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 14.7   n/a MPO435958  
diameter diameter 2.614 km 0.706 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.629 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.341   0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27965 (1997 SH25)          Discovered 1997-Sep-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010902/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
2057-Sep-17 19:27 < 00:01 Juno 0.0310703276998033 0.0310691571653875 0.0310714993694294 4.95689637544254 4.95689629644923 2472624.310222527 0.631522506917161 335.272521367489 25.8625803418539 80.9945491025002 177402.356478486 T 23 CATAB v2.0f-lin.ifort 2019-Nov-07 05:03:25 2019-Nov-07 05:03

Alternate Designations
 1997 SH25 = 1980 DE = 1980 DZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-05 08:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin