🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.8

Radius: 13.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.55 AU - 0.61 AU

Year: 295 Days

Day: 14.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,770,059 km

• M1: 165,455 km (0.075 R)
• M2: 600,336 km (0.099 R)
• M3: 1,256,323 km (0.11 R)
• M4: 2,317,271 km (0.06 R)
• M5: 2,780,127 km (0.114 R)
• M6: 3,218,449 km (0.081 R)
• M7: 3,644,503 km (0.116 R)
• M8: 4,381,422 km (0.07 R)
• M9: 4,864,324 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 10.4

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,770,059 km

• M1: 129,402 km (0.079 R)
• M2: 497,263 km (0.112 R)
• M3: 845,677 km (0.067 R)
• M4: 1,318,705 km (0.096 R)
• M5: 1,896,452 km (0.059 R)
• M6: 2,743,625 km (0.119 R)
• M7: 3,403,202 km (0.084 R)
• M8: 3,908,843 km (0.041 R)
• M9: 4,388,005 km (0.092 R)
• M10: 5,325,385 km (0.098 R)
• M11: 5,677,838 km (0.053 R)
• M12: 6,102,546 km (0.041 R)
• M13: 6,608,187 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 10.3

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.32 AU - 1.46 AU

Year: 1093 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,770,059 km

• M1: 128,056 km (0.067 R)
• M2: 488,138 km (0.1 R)
• M3: 824,434 km (0.096 R)
• M4: 1,339,200 km (0.12 R)
• M5: 1,895,704 km (0.112 R)
• M6: 2,663,889 km (0.102 R)
• M7: 4,224,345 km (0.109 R)
• M8: 4,546,578 km (0.104 R)
• M9: 5,021,701 km (0.056 R)
• M10: 5,404,672 km (0.117 R)
• M11: 5,938,287 km (0.104 R)
• M12: 6,275,182 km (0.062 R)
• M13: 7,136,267 km (0.091 R)
• M14: 7,595,383 km (0.093 R)
• M15: 8,265,582 km (0.113 R)
• M16: 9,632,158 km (0.045 R)
• M17: 10,067,039 km (0.063 R)
• M18: 10,842,854 km (0.101 R)
• M19: 11,727,725 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.9

Radius: 10.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.59 AU - 1.83 AU

Year: 1491 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,770,059 km

• M1: 136,583 km (0.034 R)
• M2: 476,918 km (0.072 R)
• M3: 881,879 km (0.088 R)
• M4: 1,508,994 km (0.108 R)
• M5: 1,982,022 km (0.071 R)
• M6: 2,562,911 km (0.083 R)
• M7: 3,574,043 km (0.079 R)
• M8: 4,306,773 km (0.117 R)
• M9: 4,927,754 km (0.108 R)
• M10: 5,334,959 km (0.093 R)
• M11: 6,180,337 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 14.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.28 AU - 3.48 AU

Year: 4144 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,770,059 km

• M1: 178,470 km (0.113 R)
• M2: 642,224 km (0.097 R)
• M3: 1,345,184 km (0.114 R)
• M4: 2,317,570 km (0.078 R)
• M5: 2,773,545 km (0.078 R)
• M6: 4,209,834 km (0.086 R)
• M7: 4,768,881 km (0.115 R)
• M8: 5,629,368 km (0.119 R)
• M9: 6,783,067 km (0.068 R)
• M10: 7,659,710 km (0.117 R)
• M11: 8,572,706 km (0.114 R)
• M12: 9,234,228 km (0.099 R)
• M13: 9,721,468 km (0.12 R)
• M14: 10,311,632 km (0.063 R)
• M15: 10,880,852 km (0.109 R)
• M16: 11,563,915 km (0.116 R)
• M17: 13,015,763 km (0.058 R)
• M18: 16,279,539 km (0.031 R)
• M19: 18,608,629 km (0.077 R)
• M20: 19,388,183 km (0.118 R)
• M21: 22,144,973 km (0.108 R)
• M22: 23,168,821 km (0.119 R)
• M23: 23,843,507 km (0.107 R)
• M24: 24,763,534 km (0.112 R)
• M25: 26,026,738 km (0.119 R)
• M26: 27,833,432 km (0.112 R)
• M27: 28,853,390 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.9

Radius: 7.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.22 AU - 8.58 AU

Year: 12087 Days

Day: 20.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,770,059 km

• M1: 131,796 km (0.1 R)
• M2: 827,725 km (0.103 R)
• M3: 1,335,311 km (0.117 R)
• M4: 2,034,681 km (0.074 R)
• M5: 2,286,454 km (0.082 R)
• M6: 5,151,702 km (0.086 R)
• M7: 6,615,068 km (0.096 R)
• M8: 7,639,514 km (0.08 R)
• M9: 9,164,814 km (0.12 R)
• M10: 10,191,205 km (0.082 R)
• M11: 12,693,080 km (0.113 R)
• M12: 18,149,662 km (0.083 R)
• M13: 23,520,675 km (0.099 R)
• M14: 25,702,261 km (0.096 R)
• M15: 36,118,162 km (0.116 R)
• M16: 40,577,674 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810

Radius: 7.2

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.38 AU - 10.68 AU

Year: 22786 Days

Day: 21.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,770,059 km

• M1: 89,908 km (0.101 R)
• M2: 379,530 km (0.111 R)
• M3: 1,509,443 km (0.116 R)
• M4: 1,758,523 km (0.085 R)
• M5: 2,055,774 km (0.068 R)
• M6: 3,566,264 km (0.108 R)
• M7: 4,180,363 km (0.062 R)
• M8: 5,785,698 km (0.103 R)
• M9: 7,356,625 km (0.076 R)
• M10: 8,905,412 km (0.083 R)
• M11: 9,725,806 km (0.038 R)
• M12: 11,516,343 km (0.113 R)
• M13: 12,205,989 km (0.046 R)
• M14: 13,516,018 km (0.111 R)
• M15: 18,652,311 km (0.1 R)
• M16: 22,539,911 km (0.038 R)
• M17: 24,503,682 km (0.097 R)
• M18: 28,893,333 km (0.109 R)
• M19: 29,270,768 km (0.11 R)
• M20: 30,944,020 km (0.037 R)
• M21: 33,641,120 km (0.108 R)
• M22: 37,674,728 km (0.084 R)
• M23: 38,579,196 km (0.033 R)
• M24: 45,999,700 km (0.055 R)
• M25: 47,032,523 km (0.102 R)
• M26: 50,587,418 km (0.105 R)
• M27: 55,664,919 km (0.116 R)
• M28: 56,249,248 km (0.114 R)
• M29: 60,045,294 km (0.071 R)
• M30: 61,485,772 km (0.106 R)
• M31: 63,160,221 km (0.118 R)
• M32: 75,502,195 km (0.111 R)
• M33: 76,457,826 km (0.074 R)
• M34: 78,393,174 km (0.072 R)
• M35: 81,357,007 km (0.114 R)
• M36: 83,628,351 km (0.036 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 13,367 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit