🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 13

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 5.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,620,852 km

• M1: 161,715 km (0.071 R)
• M2: 579,093 km (0.083 R)
• M3: 1,375,403 km (0.103 R)
• M4: 1,811,181 km (0.087 R)
• M5: 2,293,186 km (0.099 R)
• M6: 2,824,707 km (0.072 R)
• M7: 3,304,318 km (0.101 R)
• M8: 3,827,013 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.3

Radius: 13.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.13 AU - 1.65 AU

Year: 1112 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,620,852 km

• M1: 169,195 km (0.098 R)
• M2: 908,807 km (0.114 R)
• M3: 1,439,880 km (0.103 R)
• M4: 2,110,826 km (0.044 R)
• M5: 4,702,908 km (0.109 R)
• M6: 5,675,893 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.6

Radius: 11.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.52 AU - 1.9 AU

Year: 1517 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,620,852 km

• M1: 169,943 km (0.066 R)
• M2: 630,555 km (0.088 R)
• M3: 2,076,568 km (0.1 R)
• M4: 2,895,317 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.75 AU - 1.91 AU

Year: 1679 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,620,852 km

• M1: 103,073 km (0.098 R)
• M2: 359,334 km (0.064 R)
• M3: 788,830 km (0.077 R)
• M4: 1,083,537 km (0.11 R)
• M5: 1,662,182 km (0.06 R)
• M6: 2,211,805 km (0.079 R)
• M7: 2,504,717 km (0.098 R)
• M8: 2,944,984 km (0.091 R)
• M9: 4,238,257 km (0.079 R)
• M10: 4,599,536 km (0.108 R)
• M11: 6,323,352 km (0.102 R)
• M12: 7,317,131 km (0.086 R)
• M13: 7,918,365 km (0.112 R)
• M14: 9,920,284 km (0.095 R)
• M15: 10,204,071 km (0.107 R)
• M16: 10,821,312 km (0.111 R)

Asteroid Belt

Center: 2.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.59 AU - 3.99 AU

Year: 5004 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,620,852 km

• M1: 112,946 km (0.105 R)
• M2: 582,833 km (0.109 R)
• M3: 896,690 km (0.073 R)
• M4: 1,472,492 km (0.101 R)
• M5: 3,710,775 km (0.1 R)
• M6: 4,952,288 km (0.111 R)
• M7: 7,108,442 km (0.112 R)
• M8: 7,672,725 km (0.094 R)
• M9: 9,311,271 km (0.11 R)
• M10: 10,191,804 km (0.044 R)
• M11: 12,875,290 km (0.104 R)
• M12: 14,905,782 km (0.104 R)
• M13: 15,227,717 km (0.112 R)
• M14: 18,094,461 km (0.041 R)
• M15: 19,020,172 km (0.068 R)
• M16: 19,718,795 km (0.119 R)
• M17: 20,632,538 km (0.094 R)
• M18: 21,167,351 km (0.093 R)
• M19: 23,040,466 km (0.086 R)
• M20: 24,795,997 km (0.089 R)
• M21: 25,706,300 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 10.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.54 AU - 4.08 AU

Year: 5044 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,620,852 km

• M1: 134,788 km (0.102 R)
• M2: 688,449 km (0.071 R)
• M3: 1,324,540 km (0.111 R)
• M4: 1,731,296 km (0.109 R)
• M5: 2,124,739 km (0.117 R)
• M6: 2,721,335 km (0.1 R)
• M7: 5,073,911 km (0.075 R)
• M8: 11,117,964 km (0.105 R)
• M9: 15,306,405 km (0.111 R)
• M10: 16,276,847 km (0.059 R)
• M11: 17,808,729 km (0.076 R)
• M12: 19,065,052 km (0.095 R)
• M13: 23,398,304 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.6

Radius: 5.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.89 AU - 6.69 AU

Year: 10700 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,620,852 km

• M1: 75,547 km (0.066 R)
• M2: 269,575 km (0.029 R)
• M3: 474,524 km (0.026 R)
• M4: 842,834 km (0.107 R)
• M5: 1,139,936 km (0.071 R)
• M6: 1,989,203 km (0.095 R)
• M7: 2,251,598 km (0.082 R)
• M8: 2,467,617 km (0.101 R)
• M9: 2,661,197 km (0.074 R)
• M10: 3,740,844 km (0.063 R)
• M11: 5,057,455 km (0.087 R)
• M12: 5,667,665 km (0.106 R)
• M13: 6,325,746 km (0.099 R)
• M14: 6,622,847 km (0.106 R)
• M15: 9,219,567 km (0.084 R)
• M16: 10,217,235 km (0.059 R)
• M17: 12,171,133 km (0.109 R)
• M18: 12,944,105 km (0.094 R)
• M19: 13,209,043 km (0.046 R)
• M20: 14,080,750 km (0.081 R)
• M21: 14,360,947 km (0.055 R)
• M22: 15,106,692 km (0.118 R)
• M23: 15,938,456 km (0.12 R)
• M24: 19,433,362 km (0.073 R)
• M25: 20,132,283 km (0.119 R)
• M26: 20,487,877 km (0.041 R)
• M27: 23,564,058 km (0.091 R)
• M28: 25,916,784 km (0.071 R)
• M29: 27,193,153 km (0.077 R)
• M30: 30,613,110 km (0.038 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 18,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit