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 ]  
135316 (2001 SN277)
Classification: Main-belt Asteroid          SPK-ID: 2135316
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412280017149988 5.7999e-08  
a 3.073636755847367 2.2436e-08 au
q 2.639553178821272 1.7614e-07 au
i 10.17776155146044 5.7554e-06 deg
node 323.2806865224575 2.5258e-05 deg
peri 55.0933909212818 3.1661e-05 deg
M 247.7910262565463 1.9017e-05 deg
tp 2460009.982710897972
(2023-Mar-06.48271090)
0.00010719 TDB
period 1968.236305486704
5.39
2.155e-05
5.9e-08
d
yr
n .1829048671627767 2.0026e-09 deg/d
Q 3.507720332873463 2.5604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-03-01  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:27  

Additional Information
 Earth MOID = 1.65537 au 
 Jupiter MOID = 2.04804 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402967545890198 5.7692e-08  
q 2.643242895501448 1.7485e-07 au
tp 2458043.640078334568
(2017-Oct-17.14007833)
9.9451e-05 TDB
node 323.2928690629998 2.5261e-05 deg
peri 55.64294119021155 3.1819e-05 deg
i 10.17577313523645 5.7541e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-03-01  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:27  

Additional Information
 Jupiter MOID = 2.04804 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.32831012731068E-15 -1.002733019194787E-14 -1.57007691744422E-12 1.31984853300319E-14 -4.745093930964282E-13 -4.251305960925214E-15
q -1.002733019194787E-14 3.057352512158428E-14 5.419986538953353E-12 -3.954093282662653E-14 1.527391102103864E-12 1.322564505431457E-14
tp -1.57007691744422E-12 5.419986538953353E-12 9.890497334200364E-9 -2.888881461259881E-11 1.914775717592307E-9 -2.165724761088227E-12
node 1.31984853300319E-14 -3.954093282662653E-14 -2.888881461259881E-11 6.381041557345424E-10 -6.336100837521039E-10 2.613369314629914E-11
peri -4.745093930964282E-13 1.527391102103864E-12 1.914775717592307E-9 -6.336100837521039E-10 1.012469121414125E-9 -2.594272484620249E-11
i -4.251305960925214E-15 1.322564505431457E-14 -2.165724761088227E-12 2.613369314629914E-11 -2.594272484620249E-11 3.310977286839464E-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 14.58   n/a MPCxxxxx  
rotation period rot_per 6.36 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

135316 (2001 SN277)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ 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
2023-Sep-20 16:04 00:01 Inter 0.0460319392224602 0.0460294530544753 0.0460344260258896 3.95181783826069 3.95181775778541 2460208.169124766 1.12176530509827 306.737676944452 34.579227240195 67.0268429689921 183392.660971667 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 18:12:29 2021-Apr-13 18:12
2026-Oct-15 14:17 00:02 Inter 0.0486202337998894 0.0486154489468237 0.0486250187072793 3.25390211226497 3.25390201973185 2461329.094939240 1.68304301798357 252.306782987631 51.7958969078449 19.6211674228797 54340.7874520641 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 18:12:29 2021-Apr-13 18:12

Alternate Designations
 2001 SN277 = 1998 EY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-26 23:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin