🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 9.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 7.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,693,075 km

• M1: 114,442 km (0.065 R)
• M2: 423,811 km (0.103 R)
• M3: 751,131 km (0.1 R)
• M4: 1,069,625 km (0.08 R)
• M5: 2,020,020 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 12.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.73 AU - 1.07 AU

Year: 579 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,693,075 km

• M1: 153,039 km (0.114 R)
• M2: 609,911 km (0.116 R)
• M3: 1,424,471 km (0.109 R)
• M4: 1,923,081 km (0.112 R)
• M5: 2,575,776 km (0.099 R)
• M6: 3,314,042 km (0.072 R)
• M7: 3,746,080 km (0.081 R)
• M8: 4,451,285 km (0.107 R)
• M9: 5,598,700 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 13

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.22 AU - 1.98 AU

Year: 1373 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,693,075 km

• M1: 165,306 km (0.091 R)
• M2: 878,887 km (0.095 R)
• M3: 1,302,997 km (0.072 R)
• M4: 1,829,582 km (0.086 R)
• M5: 2,379,354 km (0.099 R)
• M6: 3,024,570 km (0.117 R)
• M7: 4,235,714 km (0.026 R)
• M8: 6,075,918 km (0.111 R)
• M9: 6,486,264 km (0.073 R)
• M10: 7,594,336 km (0.045 R)
• M11: 8,017,399 km (0.073 R)
• M12: 8,738,760 km (0.109 R)
• M13: 9,292,870 km (0.104 R)
• M14: 10,215,590 km (0.091 R)
• M15: 11,817,783 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 10.6

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.46 AU - 2.26 AU

Year: 1721 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,693,075 km

• M1: 131,796 km (0.114 R)
• M2: 474,225 km (0.06 R)
• M3: 840,441 km (0.111 R)
• M4: 1,209,948 km (0.12 R)
• M5: 1,689,558 km (0.046 R)
• M6: 2,038,720 km (0.085 R)
• M7: 2,383,842 km (0.107 R)
• M8: 2,915,662 km (0.082 R)
• M9: 3,525,124 km (0.071 R)
• M10: 4,102,572 km (0.077 R)
• M11: 4,515,013 km (0.067 R)
• M12: 5,152,450 km (0.102 R)
• M13: 5,586,433 km (0.091 R)
• M14: 6,347,138 km (0.066 R)
• M15: 6,900,651 km (0.096 R)
• M16: 7,428,881 km (0.092 R)
• M17: 9,885,726 km (0.113 R)
• M18: 10,666,627 km (0.096 R)
• M19: 14,295,124 km (0.12 R)
• M20: 15,479,939 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 14.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.65 AU - 2.79 AU

Year: 3043 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,693,075 km

• M1: 185,352 km (0.083 R)
• M2: 692,788 km (0.1 R)
• M3: 2,078,214 km (0.104 R)
• M4: 2,558,124 km (0.066 R)
• M5: 3,080,819 km (0.078 R)
• M6: 3,550,406 km (0.097 R)
• M7: 4,594,300 km (0.106 R)
• M8: 5,257,916 km (0.027 R)
• M9: 6,945,380 km (0.102 R)
• M10: 7,641,310 km (0.103 R)
• M11: 8,673,685 km (0.089 R)
• M12: 9,138,934 km (0.081 R)
• M13: 10,156,349 km (0.107 R)
• M14: 10,749,205 km (0.11 R)
• M15: 11,365,249 km (0.11 R)
• M16: 11,842,616 km (0.113 R)
• M17: 16,713,224 km (0.119 R)
• M18: 17,541,248 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 9.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.99 AU - 3.13 AU

Year: 3631 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,693,075 km

• M1: 120,725 km (0.082 R)
• M2: 438,023 km (0.078 R)
• M3: 862,581 km (0.071 R)
• M4: 1,393,654 km (0.083 R)
• M5: 1,787,994 km (0.104 R)
• M6: 2,342,104 km (0.118 R)
• M7: 2,719,839 km (0.101 R)
• M8: 3,356,228 km (0.036 R)
• M9: 3,762,686 km (0.081 R)
• M10: 4,169,293 km (0.077 R)
• M11: 5,052,668 km (0.085 R)
• M12: 6,374,964 km (0.105 R)
• M13: 6,750,155 km (0.068 R)
• M14: 7,965,039 km (0.11 R)
• M15: 8,879,232 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.8

Radius: 5.5

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.24 AU - 12.7 AU

Year: 22978 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,693,075 km

• M1: 68,815 km (0.074 R)
• M2: 245,341 km (0.103 R)
• M3: 579,542 km (0.092 R)
• M4: 793,467 km (0.113 R)
• M5: 1,368,821 km (0.083 R)
• M6: 1,698,235 km (0.064 R)
• M7: 3,693,571 km (0.099 R)
• M8: 4,696,176 km (0.074 R)
• M9: 6,133,363 km (0.101 R)
• M10: 7,893,980 km (0.089 R)
• M11: 8,947,149 km (0.1 R)
• M12: 9,477,324 km (0.12 R)
• M13: 11,060,070 km (0.095 R)
• M14: 12,374,885 km (0.081 R)
• M15: 12,884,565 km (0.12 R)
• M16: 15,394,219 km (0.047 R)
• M17: 19,741,384 km (0.12 R)
• M18: 21,562,439 km (0.095 R)
• M19: 25,886,565 km (0.053 R)
• M20: 29,581,333 km (0.088 R)
• M21: 30,887,024 km (0.103 R)
• M22: 31,958,892 km (0.055 R)
• M23: 34,603,483 km (0.069 R)
• M24: 36,052,339 km (0.103 R)
• M25: 38,300,645 km (0.101 R)
• M26: 44,580,465 km (0.081 R)
• M27: 48,051,883 km (0.081 R)
• M28: 51,886,376 km (0.041 R)
• M29: 52,073,972 km (0.111 R)
• M30: 54,166,547 km (0.098 R)
• M31: 57,109,586 km (0.11 R)
• M32: 60,364,536 km (0.098 R)
• M33: 62,248,572 km (0.113 R)
• M34: 69,492,400 km (0.095 R)
• M35: 80,247,290 km (0.077 R)
• M36: 88,803,241 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit