Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
7402 (1987 YH)
Classification: Main-belt Asteroid          SPK-ID: 2007402
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009053811262591 4.3867e-08  
a 2.781481749990525 2.5253e-08 AU
q 2.222667098912944 1.247e-07 AU
i 8.236318284714971 7.1126e-06 deg
node 150.9761688562896 4.0582e-05 deg
peri 292.97490291 4.6592e-05 deg
M 305.2839452230371 2.5341e-05 deg
tp 2457258.028337316949
(2015-Aug-23.52833732)
0.00012148 JED
period 1694.387539672095
4.64
2.3075e-05
6.318e-08
d
yr
n .2124661516748812 2.8935e-09 deg/d
Q 3.340296401068106 3.0326e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      21332 days (58.40 yr)  
   first obs. used      1956-03-09  
   last obs. used      2014-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55432  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:10:24  

Additional Information
 Earth MOID = 1.25373 AU 
 T_jup = 3.288 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO302110  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

7402 (1987 YH)          Discovered 1987-Dec-25 by Kojima, T. at Chiyoda
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 YH = 1956 ET = 1970 EQ2 = 1982 VN9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-31 00:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin