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 ]  
4250 Perun (1984 UG)
Classification: Main-belt Asteroid          SPK-ID: 2004250
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118025328497066 3.2414e-08  
a 3.164582335618187 1.4055e-08 au
q 2.791081465900838 1.0415e-07 au
i 2.52105692275788 3.1207e-06 deg
node 59.28200566927075 8.2748e-05 deg
peri 265.5898885174549 8.3748e-05 deg
M 211.9389934576364 1.4074e-05 deg
tp 2460046.190053888756
(2023-Apr-11.69005389)
8.1785e-05 TDB
period 2056.236321160241
5.63
1.3699e-05
3.751e-08
d
yr
n .1750771525117639 1.1664e-09 deg/d
Q 3.538083205335536 1.5714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3152  
   data-arc span      25663 days (70.26 yr)  
   first obs. used      1950-10-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:16:36  

Additional Information
 Earth MOID = 1.77861 au 
 Jupiter MOID = 1.77461 au 
 T_jup = 3.192 
[ 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 12.11   n/a E2020-QM5  
diameter diameter 22.576 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4250 Perun (1984 UG)          Discovered 1984-Oct-20 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 UG = 1950 TB2 = 1977 LQ1 = 1978 RH5 = 1978 TW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 03:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin