🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.77 AU - 0.91 AU

Year: 531 Days

Day: 13.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,532,215 km

• M1: 184,005 km (0.09 R)
• M2: 698,173 km (0.085 R)
• M3: 1,263,653 km (0.109 R)
• M4: 1,776,774 km (0.113 R)
• M5: 2,236,937 km (0.107 R)
• M6: 3,014,696 km (0.091 R)
• M7: 3,552,800 km (0.083 R)
• M8: 4,388,603 km (0.041 R)
• M9: 4,982,507 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 14.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.93 AU - 0.93 AU

Year: 619 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,532,215 km

• M1: 179,069 km (0.078 R)
• M2: 635,492 km (0.097 R)
• M3: 1,248,095 km (0.11 R)
• M4: 1,747,752 km (0.083 R)
• M5: 2,529,999 km (0.081 R)
• M6: 3,442,247 km (0.1 R)
• M7: 4,247,532 km (0.097 R)
• M8: 4,914,440 km (0.04 R)
• M9: 5,391,208 km (0.069 R)
• M10: 6,194,698 km (0.107 R)
• M11: 7,874,533 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 11.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.95 AU - 1.15 AU

Year: 743 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,532,215 km

• M1: 145,559 km (0.074 R)
• M2: 657,034 km (0.095 R)
• M3: 2,279,872 km (0.041 R)
• M4: 2,695,754 km (0.044 R)
• M5: 3,119,564 km (0.086 R)
• M6: 3,541,430 km (0.111 R)
• M7: 3,963,596 km (0.098 R)
• M8: 4,446,348 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 9.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.92 AU - 2.62 AU

Year: 2361 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,532,215 km

• M1: 115,639 km (0.08 R)
• M2: 408,402 km (0.102 R)
• M3: 753,524 km (0.093 R)
• M4: 1,599,650 km (0.106 R)
• M5: 2,262,518 km (0.098 R)
• M6: 2,637,560 km (0.047 R)
• M7: 4,728,938 km (0.094 R)
• M8: 5,155,442 km (0.107 R)
• M9: 7,255,048 km (0.071 R)
• M10: 8,776,309 km (0.064 R)
• M11: 9,265,195 km (0.081 R)
• M12: 9,901,883 km (0.109 R)
• M13: 11,405,042 km (0.095 R)
• M14: 12,475,415 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 11.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.21 AU - 3.15 AU

Year: 3028 Days

Day: 8.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,532,215 km

• M1: 144,212 km (0.085 R)
• M2: 507,286 km (0.119 R)
• M3: 1,199,177 km (0.051 R)
• M4: 2,207,765 km (0.105 R)
• M5: 2,577,123 km (0.085 R)
• M6: 3,124,501 km (0.119 R)
• M7: 7,299,927 km (0.114 R)
• M8: 7,779,388 km (0.107 R)
• M9: 14,271,637 km (0.112 R)
• M10: 15,294,138 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.7

Radius: 3.7

Gravity: 71.86 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.9 AU - 10.58 AU

Year: 17835 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,532,215 km

• M1: 46,824 km (0.056 R)
• M2: 163,810 km (0.07 R)
• M3: 486,791 km (0.107 R)
• M4: 1,288,038 km (0.113 R)
• M5: 2,128,329 km (0.1 R)
• M6: 2,724,626 km (0.079 R)
• M7: 2,981,186 km (0.072 R)
• M8: 3,225,629 km (0.118 R)
• M9: 3,453,916 km (0.056 R)
• M10: 4,944,808 km (0.03 R)
• M11: 6,234,342 km (0.08 R)
• M12: 10,161,735 km (0.08 R)
• M13: 11,679,854 km (0.085 R)
• M14: 12,492,769 km (0.073 R)
• M15: 14,458,634 km (0.117 R)
• M16: 15,315,381 km (0.08 R)
• M17: 16,621,071 km (0.111 R)
• M18: 17,300,994 km (0.095 R)
• M19: 20,398,268 km (0.107 R)
• M20: 23,632,873 km (0.097 R)
• M21: 25,149,496 km (0.118 R)
• M22: 28,978,604 km (0.105 R)
• M23: 29,344,819 km (0.085 R)
• M24: 29,837,894 km (0.112 R)
• M25: 29,962,060 km (0.04 R)
• M26: 31,350,328 km (0.06 R)
• M27: 33,445,297 km (0.113 R)
• M28: 34,663,771 km (0.101 R)
• M29: 42,759,410 km (0.057 R)
• M30: 52,749,705 km (0.1 R)
• M31: 52,931,317 km (0.057 R)
• M32: 56,459,882 km (0.055 R)
• M33: 56,840,309 km (0.07 R)
• M34: 57,413,868 km (0.079 R)
• M35: 63,364,572 km (0.113 R)
• M36: 75,316,694 km (0.045 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: 237 - 17,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit