🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.3

Radius: 9.4

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.67 AU - 0.79 AU

Year: 403 Days

Day: 14.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,349,234 km

• M1: 116,836 km (0.113 R)
• M2: 414,536 km (0.118 R)
• M3: 812,167 km (0.106 R)
• M4: 1,154,746 km (0.103 R)
• M5: 1,947,914 km (0.073 R)
• M6: 2,344,199 km (0.083 R)
• M7: 2,678,699 km (0.059 R)
• M8: 2,978,194 km (0.111 R)
• M9: 3,469,623 km (0.05 R)
• M10: 3,774,205 km (0.076 R)
• M11: 4,423,160 km (0.084 R)
• M12: 5,016,465 km (0.078 R)
• M13: 5,390,759 km (0.082 R)
• M14: 5,942,476 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 8.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,349,234 km

• M1: 105,466 km (0.119 R)
• M2: 409,001 km (0.083 R)
• M3: 699,520 km (0.105 R)
• M4: 994,826 km (0.081 R)
• M5: 1,308,832 km (0.12 R)
• M6: 1,807,142 km (0.049 R)
• M7: 2,290,493 km (0.032 R)
• M8: 2,651,772 km (0.06 R)
• M9: 3,277,241 km (0.051 R)
• M10: 4,225,541 km (0.059 R)
• M11: 5,466,605 km (0.027 R)
• M12: 6,265,458 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 8.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.37 AU - 3.23 AU

Year: 3025 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,349,234 km

• M1: 138,827 km (0.116 R)
• M2: 686,355 km (0.105 R)
• M3: 1,075,160 km (0.058 R)
• M4: 1,397,394 km (0.12 R)
• M5: 1,960,929 km (0.088 R)
• M6: 2,392,369 km (0.073 R)
• M7: 4,518,005 km (0.097 R)
• M8: 5,720,623 km (0.079 R)
• M9: 6,327,691 km (0.119 R)
• M10: 7,608,398 km (0.053 R)
• M11: 7,921,955 km (0.058 R)
• M12: 8,508,528 km (0.026 R)
• M13: 10,365,936 km (0.032 R)
• M14: 12,178,912 km (0.108 R)
• M15: 12,565,324 km (0.051 R)
• M16: 12,959,963 km (0.113 R)
• M17: 14,146,872 km (0.105 R)
• M18: 16,163,152 km (0.089 R)
• M19: 16,840,681 km (0.07 R)
• M20: 18,532,483 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 10.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.02 AU - 5.42 AU

Year: 7701 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,349,234 km

• M1: 130,898 km (0.088 R)
• M2: 610,210 km (0.077 R)
• M3: 1,293,274 km (0.105 R)
• M4: 1,714,840 km (0.114 R)
• M5: 2,939,897 km (0.084 R)
• M6: 6,612,824 km (0.109 R)
• M7: 7,042,469 km (0.115 R)
• M8: 9,702,619 km (0.086 R)
• M9: 10,737,387 km (0.056 R)
• M10: 11,332,039 km (0.09 R)
• M11: 18,473,093 km (0.119 R)
• M12: 19,111,278 km (0.056 R)
• M13: 20,657,521 km (0.095 R)
• M14: 26,324,887 km (0.063 R)
• M15: 32,028,755 km (0.111 R)
• M16: 33,156,872 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.4

Radius: 3.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.21 AU - 9.29 AU

Year: 13931 Days

Day: 18.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,349,234 km

• M1: 46,076 km (0.064 R)
• M2: 203,453 km (0.088 R)
• M3: 323,431 km (0.1 R)
• M4: 532,419 km (0.11 R)
• M5: 934,089 km (0.11 R)
• M6: 1,219,671 km (0.112 R)
• M7: 1,338,003 km (0.081 R)
• M8: 2,125,487 km (0.055 R)
• M9: 3,242,085 km (0.075 R)
• M10: 4,805,383 km (0.088 R)
• M11: 5,527,791 km (0.045 R)
• M12: 5,794,075 km (0.069 R)
• M13: 6,776,484 km (0.1 R)
• M14: 8,903,766 km (0.112 R)
• M15: 10,030,537 km (0.103 R)
• M16: 16,079,078 km (0.12 R)
• M17: 18,514,532 km (0.114 R)
• M18: 20,758,350 km (0.119 R)
• M19: 22,723,917 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118

Radius: 5.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.89 AU - 9.91 AU

Year: 18608 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,349,234 km

• M1: 72,705 km (0.071 R)
• M2: 273,465 km (0.071 R)
• M3: 537,056 km (0.117 R)
• M4: 1,493,436 km (0.077 R)
• M5: 2,747,814 km (0.056 R)
• M6: 2,950,818 km (0.09 R)
• M7: 3,742,340 km (0.106 R)
• M8: 5,137,041 km (0.065 R)
• M9: 6,414,308 km (0.052 R)
• M10: 8,728,587 km (0.092 R)
• M11: 10,000,169 km (0.1 R)
• M12: 14,732,698 km (0.056 R)
• M13: 18,893,164 km (0.102 R)
• M14: 19,333,131 km (0.118 R)
• M15: 20,386,151 km (0.097 R)
• M16: 27,240,127 km (0.059 R)
• M17: 29,728,687 km (0.051 R)
• M18: 31,435,449 km (0.105 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: 485 - 16,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit