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 ]  
152560 (1991 BN)
Classification: Apollo [NEO, PHA]          SPK-ID: 2152560
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 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .397990677882668 2.6045e-08  
a 1.443395918373705 1.897e-09 au
q .8689377983670779 3.8476e-08 au
i 3.445468010568524 3.9389e-06 deg
node 268.8591468073618 4.6073e-05 deg
peri 80.9047117894886 4.5921e-05 deg
M 180.8340181101393 9.4102e-06 deg
tp 2459515.731558685786
(2021-Oct-28.23155869)
1.7141e-05 TDB
period 633.3979248172509
1.73
1.2487e-06
3.419e-09
d
yr
n .5683630872391441 1.1205e-09 deg/d
Q 2.017854038380332 2.652e-09 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      11044 days (30.24 yr)  
   first obs. used      1991-01-19  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:35:01  

Additional Information
 Earth MOID = .0204648 au 
 Jupiter MOID = 3.42462 au 
 T_jup = 4.570 
[ 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 19.1   n/a MPO396246  
rotation period rot_per 3.49 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:
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.]
SMASSII spectral type spec_B Q   n/a Binzel et al. (2004) Icarus 170, 259-294  

152560 (1991 BN)          Discovered 1991-Jan-19 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1991 BN = 2002 VS94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 01:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin