🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 14.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 11.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,143,716 km

• M1: 184,155 km (0.109 R)
• M2: 808,277 km (0.085 R)
• M3: 1,491,341 km (0.088 R)
• M4: 1,993,541 km (0.099 R)
• M5: 2,530,747 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 14.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 14.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,143,716 km

• M1: 177,872 km (0.075 R)
• M2: 682,615 km (0.086 R)
• M3: 1,527,693 km (0.118 R)
• M4: 2,453,704 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 11.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.05 AU - 1.41 AU

Year: 942 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,143,716 km

• M1: 138,079 km (0.085 R)
• M2: 567,874 km (0.104 R)
• M3: 1,567,935 km (0.108 R)
• M4: 2,118,156 km (0.111 R)
• M5: 2,493,049 km (0.097 R)
• M6: 3,091,141 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 12.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.15 AU - 1.31 AU

Year: 942 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,143,716 km

• M1: 157,975 km (0.1 R)
• M2: 602,131 km (0.116 R)
• M3: 1,001,558 km (0.071 R)
• M4: 1,441,824 km (0.088 R)
• M5: 2,221,828 km (0.091 R)
• M6: 2,647,134 km (0.104 R)
• M7: 3,182,695 km (0.053 R)
• M8: 3,696,414 km (0.12 R)
• M9: 4,299,443 km (0.114 R)
• M10: 5,336,605 km (0.099 R)
• M11: 5,893,259 km (0.097 R)
• M12: 6,625,989 km (0.118 R)
• M13: 7,696,661 km (0.088 R)
• M14: 8,354,443 km (0.098 R)
• M15: 8,767,034 km (0.115 R)
• M16: 9,338,198 km (0.051 R)
• M17: 10,429,066 km (0.112 R)
• M18: 10,907,929 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.1

Radius: 12.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.19 AU - 1.61 AU

Year: 1143 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,143,716 km

• M1: 157,078 km (0.081 R)
• M2: 888,013 km (0.111 R)
• M3: 1,353,412 km (0.099 R)
• M4: 1,806,693 km (0.079 R)
• M5: 2,408,376 km (0.089 R)
• M6: 2,961,589 km (0.077 R)
• M7: 3,537,391 km (0.101 R)
• M8: 4,221,353 km (0.059 R)
• M9: 4,725,198 km (0.066 R)
• M10: 5,309,378 km (0.089 R)
• M11: 5,725,260 km (0.101 R)
• M12: 6,765,414 km (0.089 R)
• M13: 7,586,557 km (0.081 R)
• M14: 11,208,770 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 8.5

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.35 AU - 1.93 AU

Year: 1450 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,143,716 km

• M1: 105,915 km (0.116 R)
• M2: 381,923 km (0.11 R)
• M3: 670,498 km (0.095 R)
• M4: 1,155,943 km (0.086 R)
• M5: 1,456,335 km (0.086 R)
• M6: 1,798,765 km (0.092 R)
• M7: 2,757,238 km (0.066 R)
• M8: 3,333,190 km (0.098 R)
• M9: 3,608,301 km (0.116 R)
• M10: 3,898,670 km (0.112 R)
• M11: 4,316,347 km (0.031 R)
• M12: 4,624,369 km (0.073 R)
• M13: 5,050,873 km (0.089 R)
• M14: 5,660,185 km (0.106 R)
• M15: 7,156,613 km (0.058 R)
• M16: 7,506,821 km (0.115 R)
• M17: 7,953,670 km (0.091 R)
• M18: 9,561,249 km (0.073 R)
• M19: 9,953,345 km (0.09 R)
• M20: 11,666,988 km (0.041 R)
• M21: 12,343,320 km (0.108 R)
• M22: 12,613,195 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 10.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.52 AU - 2 AU

Year: 1612 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,143,716 km

• M1: 135,536 km (0.113 R)
• M2: 475,721 km (0.085 R)
• M3: 1,119,142 km (0.074 R)
• M4: 1,636,002 km (0.101 R)
• M5: 2,009,548 km (0.119 R)
• M6: 2,601,657 km (0.051 R)
• M7: 3,023,523 km (0.032 R)
• M8: 3,549,060 km (0.119 R)
• M9: 3,990,523 km (0.083 R)
• M10: 4,519,950 km (0.087 R)
• M11: 5,904,628 km (0.087 R)
• M12: 6,285,803 km (0.116 R)
• M13: 6,934,609 km (0.028 R)
• M14: 9,490,788 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 10.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.8 AU - 1.98 AU

Year: 1794 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,143,716 km

• M1: 129,402 km (0.085 R)
• M2: 458,667 km (0.071 R)
• M3: 868,864 km (0.08 R)
• M4: 1,284,747 km (0.101 R)
• M5: 1,709,754 km (0.096 R)
• M6: 2,074,773 km (0.076 R)
• M7: 2,571,438 km (0.119 R)
• M8: 3,666,045 km (0.061 R)
• M9: 4,299,443 km (0.056 R)
• M10: 4,836,798 km (0.106 R)
• M11: 5,329,275 km (0.117 R)
• M12: 6,045,848 km (0.112 R)
• M13: 6,566,898 km (0.116 R)
• M14: 7,253,253 km (0.051 R)
• M15: 8,281,589 km (0.107 R)
• M16: 8,737,862 km (0.106 R)
• M17: 9,210,741 km (0.082 R)
• M18: 9,867,775 km (0.07 R)
• M19: 10,911,519 km (0.106 R)
• M20: 11,722,639 km (0.109 R)
• M21: 14,311,430 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.5

Radius: 7.6

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.13 AU - 8.13 AU

Year: 13142 Days

Day: 15.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,143,716 km

• M1: 94,995 km (0.088 R)
• M2: 336,894 km (0.062 R)
• M3: 1,784,104 km (0.118 R)
• M4: 2,246,062 km (0.092 R)
• M5: 2,538,077 km (0.092 R)
• M6: 3,766,426 km (0.119 R)
• M7: 4,059,338 km (0.1 R)
• M8: 4,892,598 km (0.113 R)
• M9: 5,206,155 km (0.107 R)
• M10: 7,932,427 km (0.091 R)
• M11: 8,268,274 km (0.032 R)
• M12: 8,563,730 km (0.098 R)
• M13: 9,386,070 km (0.072 R)
• M14: 10,147,972 km (0.104 R)
• M15: 10,486,811 km (0.11 R)
• M16: 11,009,207 km (0.096 R)
• M17: 14,093,017 km (0.105 R)
• M18: 16,364,960 km (0.076 R)
• M19: 19,383,097 km (0.059 R)
• M20: 20,615,783 km (0.079 R)
• M21: 21,527,582 km (0.107 R)
• M22: 25,652,893 km (0.081 R)
• M23: 26,494,232 km (0.118 R)
• M24: 28,454,413 km (0.095 R)
• M25: 29,698,768 km (0.107 R)
• M26: 31,453,551 km (0.085 R)
• M27: 31,692,608 km (0.07 R)
• M28: 32,538,883 km (0.116 R)
• M29: 39,303,699 km (0.106 R)
• M30: 40,562,415 km (0.103 R)
• M31: 42,866,073 km (0.09 R)
• M32: 49,486,826 km (0.082 R)
• M33: 52,954,654 km (0.102 R)
• M34: 59,635,396 km (0.038 R)
• M35: 61,482,481 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.1

Radius: 6.3

Gravity: 17.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.19 AU - 9.69 AU

Year: 20020 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,143,716 km

• M1: 78,389 km (0.062 R)
• M2: 367,113 km (0.1 R)
• M3: 686,804 km (0.104 R)
• M4: 944,711 km (0.109 R)
• M5: 1,156,392 km (0.104 R)
• M6: 1,933,552 km (0.053 R)
• M7: 3,339,623 km (0.12 R)
• M8: 3,994,114 km (0.068 R)
• M9: 4,766,188 km (0.069 R)
• M10: 5,835,514 km (0.03 R)
• M11: 6,602,203 km (0.04 R)
• M12: 9,248,290 km (0.115 R)
• M13: 10,109,226 km (0.066 R)
• M14: 10,347,535 km (0.095 R)
• M15: 10,773,739 km (0.092 R)
• M16: 13,580,345 km (0.088 R)
• M17: 16,922,661 km (0.098 R)
• M18: 23,890,331 km (0.107 R)
• M19: 24,634,431 km (0.109 R)
• M20: 27,533,638 km (0.116 R)
• M21: 29,790,770 km (0.062 R)
• M22: 32,555,040 km (0.098 R)
• M23: 37,724,095 km (0.04 R)
• M24: 39,610,973 km (0.101 R)
• M25: 53,883,059 km (0.114 R)
• M26: 57,021,921 km (0.086 R)
• M27: 70,363,508 km (0.051 R)
• M28: 73,884,444 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit