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 ]  
875 Nymphe (A917 KG)
Classification: Main-belt Asteroid          SPK-ID: 2000875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512936503714283 1.4167e-08  
a 2.553006276802045 6.6413e-09 au
q 2.166752637763495 3.5579e-08 au
i 14.56902690022677 5.5007e-07 deg
node 196.0430822158393 1.2435e-06 deg
peri 117.1108001184921 8.0708e-06 deg
M 117.6575456451608 6.9288e-06 deg
tp 2458909.539724290834
(2020-Mar-01.03972429)
2.8249e-05 TDB
period 1489.965631137658
4.08
5.8139e-06
1.592e-08
d
yr
n .2416163114615759 9.428e-10 deg/d
Q 2.939259915840596 7.6461e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3100  
   data-arc span      37932 days (103.85 yr)  
   first obs. used      1917-05-26  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:40:07  

Additional Information
 Earth MOID = 1.19634 au 
 Jupiter MOID = 2.47864 au 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.21   n/a E2021B10  
diameter diameter 14.107 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.618 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2004) Minor Planet Bull. 31, 19-22.]
[Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.223   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

875 Nymphe (A917 KG)          Discovered 1917-May-19 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A917 KG = 1926 RL = 1970 GC1 = 1971 UK4 = A917 KF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-25 23:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin