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1001 Gaussia (A923 PD)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222034836060527 3.2176e-08  
a 3.211194661085754 1.536e-08 au
q 2.818775486963917 1.0279e-07 au
i 9.318001321244459 3.8934e-06 deg
node 259.148558830206 2.3121e-05 deg
peri 145.2351924019392 2.889e-05 deg
M 289.0615255941792 1.7813e-05 deg
tp 2459414.669124623436
(2021-Jul-19.16912462)
0.00010465 TDB
period 2101.833823088285
5.75
1.5081e-05
4.129e-08
d
yr
n .1712790021958261 1.2289e-09 deg/d
Q 3.603613835207591 1.7237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2583  
   data-arc span      41075 days (112.46 yr)  
   first obs. used      1908-01-01  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:24:49  

Additional Information
 Earth MOID = 1.83474 au 
 Jupiter MOID = 1.7813 au 
 T_jup = 3.159 
[ 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 9.7   n/a MPO435705  
diameter diameter 72.711 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 20.99 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
geometric albedo albedo 0.041   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.689   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=3.64, mean=12.51, max.=19.85) deg.
U-B UB 0.265   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=3.64, mean=12.51, max.=19.85) deg.
Tholen spectral type spec_T PC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

1001 Gaussia (A923 PD)          Discovered 1923-Aug-08 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1997-Jan-10 01:41 < 00:01 Jupiter 1.95538616948612 1.95538571236003 1.95538662661222 3.73895577759011 3.6212487125317 2450458.569917511 0.411208185832591 72.4068255758544 20.3028399739561 86.5308085032503 3948985.92666813 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2008-Feb-04 13:26 < 00:01 Jupiter 1.81910062555827 1.81910024800752 1.81910100310901 3.54253344429148 3.40856113929189 2454501.059755964 0.245841179610359 63.5152092396122 16.5211936611062 86.6446692519956 3887761.21038664 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2019-Mar-25 22:26 < 00:01 Jupiter 1.77937312128811 1.77937277867082 1.7793734639054 3.35934032750025 3.21451729710665 2458568.434703937 0.278023585401304 54.9947697058517 13.6467135176152 82.9807814996782 3671746.2081359 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2030-May-20 11:21 < 00:01 Jupiter 1.8378857676436 1.83788535683906 1.83788617844836 3.120758013666 2.96940984399413 2462641.973196824 0.487366312467757 56.6331228447452 13.7238469734872 75.8864781397833 3551709.64529038 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2041-Jul-02 14:07 < 00:01 Jupiter 1.96874949607176 1.96874895370116 1.96875003844257 2.86794001504588 2.7137819352346 2466703.088020609 0.772847380416236 57.2396327463769 15.7652624693326 67.2988633475709 3730470.13894005 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2162-Sep-29 09:26 00:03 Jupiter 1.8472227350327 1.84722180013625 1.84722366992915 3.42117594097561 3.28441289488757 2510985.893003498 2.67671129458884 76.3287553106508 44.8609051562817 89.9433284608394 3110945.44279496 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2173-Nov-08 05:26 00:03 Jupiter 1.76380652922532 1.76380611707981 1.76380694137232 3.37611077263791 3.23073917568211 2515043.726101963 2.6470649853761 176.577905810657 16.491942438511 -87.4737728417632 3630045.05276374 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2185-Jan-03 05:46 00:03 Jupiter 1.78636112629167 1.78636045927679 1.78636179331508 3.28000654277639 3.13211130297239 2519117.740382795 2.82341401762185 228.91853236425 12.9342562968952 81.8435043909728 3620935.87538785 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25
2196-Feb-26 18:48 00:03 Jupiter 1.90215976657255 1.90215846127685 1.90216107187637 3.13041157040964 2.98477575423479 2523189.283103504 3.22128349359393 218.397847011023 14.2739835464221 71.9753031143065 3806824.68463197 T 60 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:03 2020-Jun-23 15:25

Alternate Designations
 A923 PD = A907 XC = A911 MD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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