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 ]  
52313 (1991 VH9)
Classification: Main-belt Asteroid          SPK-ID: 2052313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849474269316042 3.3316e-08  
a 2.253869657499086 7.947e-09 au
q 1.837022263705414 7.7133e-08 au
i 4.240411109911221 4.2599e-06 deg
node 193.5962019513331 5.0218e-05 deg
peri 77.79162564924934 5.2358e-05 deg
M 274.6155707026116 1.8996e-05 deg
tp 2459293.635084833074
(2021-Mar-20.13508483)
6.6236e-05 TDB
period 1235.923591786946
3.38
6.5367e-06
1.79e-08
d
yr
n .2912801425527431 1.5406e-09 deg/d
Q 2.670717051292757 9.4168e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1178  
   data-arc span      10425 days (28.54 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:21:16  

Additional Information
 Earth MOID = .826734 au 
 Jupiter MOID = 2.43577 au 
 T_jup = 3.599 
[ 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 15.5   n/a MPO459208  
diameter diameter 1.740 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52313 (1991 VH9)          Discovered 1991-Nov-04 by Spacewatch at Kitt Peak
Reference: 20030216/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
1910-Nov-19 22:56 00:11 Psych 0.014387775409771 0.0143831142585185 0.0143924368324429 2.60013240567549 2.60013208225757 2418995.455791746 11.3047385114859 252.177096694014 24.2969683991702 -23.2091541827548 35700.8597324982 T 19 CATAB v2.0f-lin.ifort 2020-May-20 10:21:32 2020-May-20 10:21
2015-Nov-05 11:24 00:01 Psych 0.0283742570918992 0.0283731769079793 0.0283753372842041 2.57360718662204 2.57360702093581 2457331.974873058 1.44446487343517 60.5286998790041 26.2802532494199 -30.692236965698 101920.329855939 T 19 CATAB v2.0f-lin.ifort 2020-May-20 10:21:32 2020-May-20 10:21

Alternate Designations
 1991 VH9 = 1991 VU12 = 2000 DH75 
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-06 00:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin