🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 11.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.79 AU - 1.23 AU

Year: 701 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,078,236 km

• M1: 149,448 km (0.066 R)
• M2: 530,773 km (0.113 R)
• M3: 942,467 km (0.047 R)
• M4: 1,547,740 km (0.053 R)
• M5: 2,421,391 km (0.075 R)
• M6: 2,796,134 km (0.111 R)
• M7: 3,432,224 km (0.09 R)
• M8: 4,235,265 km (0.116 R)
• M9: 6,862,952 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 13.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.84 AU - 1.3 AU

Year: 764 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,078,236 km

• M1: 243,994 km (0.116 R)
• M2: 915,838 km (0.096 R)
• M3: 1,456,485 km (0.095 R)
• M4: 1,976,786 km (0.105 R)
• M5: 2,450,114 km (0.095 R)
• M6: 2,916,261 km (0.026 R)
• M7: 4,134,586 km (0.117 R)
• M8: 4,800,895 km (0.114 R)
• M9: 5,410,207 km (0.115 R)
• M10: 6,090,129 km (0.118 R)
• M11: 6,595,471 km (0.099 R)
• M12: 7,736,753 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 11.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.52 AU - 3.76 AU

Year: 3841 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,078,236 km

• M1: 148,551 km (0.108 R)
• M2: 589,116 km (0.116 R)
• M3: 1,637,199 km (0.116 R)
• M4: 2,145,533 km (0.098 R)
• M5: 2,757,837 km (0.111 R)
• M6: 3,211,118 km (0.106 R)
• M7: 3,792,605 km (0.111 R)
• M8: 4,247,233 km (0.12 R)
• M9: 5,316,409 km (0.118 R)
• M10: 6,820,915 km (0.091 R)
• M11: 8,453,776 km (0.05 R)
• M12: 9,454,137 km (0.108 R)
• M13: 11,818,082 km (0.054 R)
• M14: 12,298,890 km (0.046 R)
• M15: 13,299,849 km (0.098 R)
• M16: 14,851,628 km (0.117 R)
• M17: 15,567,154 km (0.101 R)
• M18: 16,847,263 km (0.108 R)
• M19: 17,456,875 km (0.042 R)
• M20: 20,228,923 km (0.089 R)
• M21: 20,791,411 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 10.1

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.52 AU - 3.82 AU

Year: 3896 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,078,236 km

• M1: 125,662 km (0.109 R)
• M2: 529,128 km (0.073 R)
• M3: 915,240 km (0.115 R)
• M4: 1,258,866 km (0.105 R)
• M5: 1,936,844 km (0.074 R)
• M6: 3,472,316 km (0.061 R)
• M7: 4,952,737 km (0.044 R)
• M8: 5,952,050 km (0.108 R)
• M9: 6,534,285 km (0.082 R)
• M10: 7,838,779 km (0.082 R)
• M11: 8,455,870 km (0.114 R)
• M12: 9,047,230 km (0.094 R)
• M13: 9,427,059 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 12.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.31 AU - 4.03 AU

Year: 4853 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,078,236 km

• M1: 162,314 km (0.113 R)
• M2: 597,195 km (0.104 R)
• M3: 975,378 km (0.11 R)
• M4: 1,472,641 km (0.112 R)
• M5: 2,603,003 km (0.06 R)
• M6: 3,294,444 km (0.081 R)
• M7: 4,087,612 km (0.085 R)
• M8: 7,760,539 km (0.116 R)
• M9: 8,330,357 km (0.109 R)
• M10: 10,273,035 km (0.095 R)
• M11: 11,748,818 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.4

Radius: 10.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.12 AU - 5.24 AU

Year: 6988 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,078,236 km

• M1: 150,196 km (0.025 R)
• M2: 545,434 km (0.088 R)
• M3: 1,004,251 km (0.038 R)
• M4: 1,562,550 km (0.057 R)
• M5: 2,270,447 km (0.086 R)
• M6: 3,349,945 km (0.11 R)
• M7: 7,377,569 km (0.088 R)
• M8: 10,064,795 km (0.117 R)
• M9: 10,911,369 km (0.069 R)
• M10: 12,585,968 km (0.113 R)
• M11: 14,483,916 km (0.07 R)
• M12: 16,629,898 km (0.059 R)
• M13: 18,424,175 km (0.112 R)
• M14: 18,909,620 km (0.093 R)
• M15: 23,186,772 km (0.063 R)
• M16: 23,590,088 km (0.038 R)
• M17: 26,459,076 km (0.063 R)
• M18: 26,811,230 km (0.085 R)
• M19: 28,804,322 km (0.051 R)
• M20: 31,186,967 km (0.03 R)
• M21: 32,376,121 km (0.069 R)
• M22: 33,801,190 km (0.114 R)
• M23: 35,801,762 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253

Radius: 5.6

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.49 AU - 6.67 AU

Year: 11651 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,078,236 km

• M1: 69,713 km (0.075 R)
• M2: 378,333 km (0.102 R)
• M3: 851,511 km (0.079 R)
• M4: 1,095,804 km (0.099 R)
• M5: 1,948,512 km (0.12 R)
• M6: 2,465,822 km (0.095 R)
• M7: 4,623,921 km (0.112 R)
• M8: 4,964,705 km (0.076 R)
• M9: 5,696,238 km (0.069 R)
• M10: 7,108,592 km (0.115 R)
• M11: 7,524,025 km (0.082 R)
• M12: 9,893,954 km (0.099 R)
• M13: 13,846,480 km (0.069 R)
• M14: 14,434,399 km (0.089 R)
• M15: 15,786,016 km (0.105 R)
• M16: 16,168,687 km (0.095 R)
• M17: 19,311,888 km (0.088 R)
• M18: 21,959,920 km (0.067 R)
• M19: 35,406,824 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 20,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit