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JPL Small-Body Database Browser
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800 Kressmannia (A915 FG)
Classification: Main-belt Asteroid          SPK-ID: 2000800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016431215766525 3.6567e-08  
a 2.192583664510377 6.2764e-09 au
q 1.750464250080529 8.1187e-08 au
i 4.263295029746978 3.9221e-06 deg
node 325.15087991872 5.3527e-05 deg
peri 347.4691387693575 5.5196e-05 deg
M 21.14060144856085 1.7691e-05 deg
tp 2458930.861801745540
5.81e-05 TDB
period 1185.858000899606
n .3035776625252768 1.3035e-09 deg/d
Q 2.634703078940225 7.542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2784  
   data-arc span      41829 days (114.52 yr)  
   first obs. used      1905-02-09  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:12:12  

Additional Information
 Earth MOID = .736725 au 
 Jupiter MOID = 2.64202 au 
 T_jup = 3.641 
[ 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 11.4   n/a MPO473773  
diameter diameter 15.429 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 4.464 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Di Martino, M. (1986) in Asteroids, Comets, Meteors II. C.-I. Lagerkvist, B.A. Lindblad, M. Lundstedt, H. Rickman, eds. Uppsala, pp. 81-84.]
[Denchev, P.; Shkodrov, V.; Ivanova, V. (1999) Abstracts of ACM 1999, 116-117.]
[Denchev, P.; Shkodrov, V.; Ivanova, V. (2000) Planet. Space Sci. 48, 983-986.]
[Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2003) Abstracts of Photometry and Polarimetry of Asteroids: Impact on Collaboration, Kharkiv, 9-10.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Cantu, S.A.; Kozdon, J.; Montgomery, K.; Lyons, V. (2016) Minor Planet Bull. 43, 210-212.]
[Dykhuis, M.J.; Molnar, L.A.; Gates, C.J.; Gonzales, J.A.; et al. (2016) Icarus 267, 174-203.]
geometric albedo albedo 0.243   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.923   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.58 deg.
U-B UB 0.515   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.58 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

800 Kressmannia (A915 FG)          Discovered 1915-Mar-20 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A915 FG = A905 CF = A912 GC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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