🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 8.3

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,228,354 km

• M1: 131,497 km (0.076 R)
• M2: 428,299 km (0.118 R)
• M3: 786,286 km (0.116 R)
• M4: 1,104,930 km (0.091 R)
• M5: 1,541,456 km (0.106 R)
• M6: 2,483,773 km (0.089 R)
• M7: 3,422,650 km (0.115 R)
• M8: 3,767,323 km (0.108 R)
• M9: 4,526,832 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 14.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 12.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,228,354 km

• M1: 180,415 km (0.115 R)
• M2: 684,410 km (0.061 R)
• M3: 1,163,722 km (0.108 R)
• M4: 1,628,822 km (0.07 R)
• M5: 2,146,131 km (0.106 R)
• M6: 2,813,786 km (0.114 R)
• M7: 3,901,363 km (0.109 R)
• M8: 4,375,887 km (0.074 R)
• M9: 4,830,066 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 15

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.95 AU - 1.13 AU

Year: 719 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,228,354 km

• M1: 186,549 km (0.085 R)
• M2: 846,425 km (0.065 R)
• M3: 1,422,377 km (0.109 R)
• M4: 1,898,696 km (0.079 R)
• M5: 2,494,844 km (0.099 R)
• M6: 3,362,063 km (0.116 R)
• M7: 4,213,274 km (0.112 R)
• M8: 4,828,870 km (0.088 R)
• M9: 6,221,027 km (0.096 R)
• M10: 6,977,245 km (0.106 R)
• M11: 7,578,179 km (0.102 R)
• M12: 8,884,169 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 13.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.56 AU - 2.1 AU

Year: 1679 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,228,354 km

• M1: 166,951 km (0.096 R)
• M2: 824,733 km (0.111 R)
• M3: 1,302,249 km (0.095 R)
• M4: 1,774,979 km (0.084 R)
• M5: 2,315,775 km (0.058 R)
• M6: 3,273,800 km (0.059 R)
• M7: 4,443,356 km (0.087 R)
• M8: 5,197,628 km (0.087 R)
• M9: 8,294,155 km (0.08 R)
• M10: 9,854,461 km (0.05 R)
• M11: 10,928,723 km (0.104 R)
• M12: 12,646,106 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.6

Radius: 9.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.8 AU - 3.54 AU

Year: 3828 Days

Day: 12 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,228,354 km

• M1: 123,119 km (0.051 R)
• M2: 493,972 km (0.114 R)
• M3: 831,615 km (0.117 R)
• M4: 1,489,546 km (0.095 R)
• M5: 1,840,203 km (0.047 R)
• M6: 2,818,723 km (0.086 R)
• M7: 3,258,242 km (0.111 R)
• M8: 4,012,813 km (0.027 R)
• M9: 4,549,122 km (0.105 R)
• M10: 4,857,293 km (0.111 R)
• M11: 6,394,411 km (0.081 R)
• M12: 6,867,440 km (0.064 R)
• M13: 8,692,384 km (0.073 R)
• M14: 12,234,563 km (0.102 R)
• M15: 12,703,552 km (0.072 R)
• M16: 17,056,551 km (0.104 R)
• M17: 18,573,623 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.2

Radius: 8

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.38 AU - 8.32 AU

Year: 12160 Days

Day: 19 Hours

Environment

Temp: -240 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,228,354 km

• M1: 100,081 km (0.111 R)
• M2: 358,885 km (0.102 R)
• M3: 1,271,582 km (0.111 R)
• M4: 1,772,136 km (0.099 R)
• M5: 2,034,082 km (0.117 R)
• M6: 2,322,058 km (0.113 R)
• M7: 4,514,565 km (0.109 R)
• M8: 6,287,299 km (0.085 R)
• M9: 7,308,006 km (0.095 R)
• M10: 8,299,540 km (0.048 R)
• M11: 9,183,963 km (0.095 R)
• M12: 10,285,003 km (0.069 R)
• M13: 15,645,394 km (0.11 R)
• M14: 16,415,674 km (0.114 R)
• M15: 16,773,960 km (0.053 R)
• M16: 22,179,829 km (0.097 R)
• M17: 24,150,631 km (0.108 R)
• M18: 27,221,577 km (0.092 R)
• M19: 38,606,274 km (0.054 R)
• M20: 50,201,006 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 5.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.16 AU - 7.74 AU

Year: 13792 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,228,354 km

• M1: 72,854 km (0.1 R)
• M2: 257,757 km (0.041 R)
• M3: 1,516,324 km (0.059 R)
• M4: 2,134,911 km (0.075 R)
• M5: 5,253,129 km (0.1 R)
• M6: 5,776,572 km (0.062 R)
• M7: 6,095,216 km (0.082 R)
• M8: 6,304,054 km (0.073 R)
• M9: 7,937,214 km (0.053 R)
• M10: 9,157,933 km (0.119 R)
• M11: 9,591,318 km (0.066 R)
• M12: 20,174,619 km (0.108 R)
• M13: 22,996,933 km (0.045 R)
• M14: 25,145,008 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit