🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 9.7

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 7.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,728,710 km

• M1: 122,521 km (0.113 R)
• M2: 450,888 km (0.091 R)
• M3: 782,397 km (0.085 R)
• M4: 1,140,385 km (0.097 R)
• M5: 1,734,139 km (0.038 R)
• M6: 2,193,703 km (0.113 R)
• M7: 2,813,038 km (0.116 R)
• M8: 3,568,358 km (0.093 R)
• M9: 4,013,262 km (0.036 R)
• M10: 4,678,075 km (0.111 R)
• M11: 4,984,751 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.5

Radius: 12.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,728,710 km

• M1: 155,582 km (0.098 R)
• M2: 675,135 km (0.096 R)
• M3: 1,108,071 km (0.108 R)
• M4: 1,676,394 km (0.07 R)
• M5: 2,327,593 km (0.077 R)
• M6: 2,919,702 km (0.114 R)
• M7: 3,445,538 km (0.086 R)
• M8: 4,463,402 km (0.095 R)
• M9: 4,908,306 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 8.9

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.77 AU - 1.01 AU

Year: 569 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,728,710 km

• M1: 110,702 km (0.117 R)
• M2: 576,550 km (0.039 R)
• M3: 997,219 km (0.071 R)
• M4: 1,524,701 km (0.094 R)
• M5: 1,827,338 km (0.083 R)
• M6: 2,398,652 km (0.102 R)
• M7: 3,866,357 km (0.082 R)
• M8: 6,225,067 km (0.078 R)
• M9: 6,944,184 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 14.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.3 AU - 1.44 AU

Year: 1088 Days

Day: 14.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,728,710 km

• M1: 175,628 km (0.092 R)
• M2: 737,966 km (0.095 R)
• M3: 1,479,972 km (0.074 R)
• M4: 2,309,941 km (0.065 R)
• M5: 2,902,049 km (0.062 R)
• M6: 3,838,831 km (0.069 R)
• M7: 4,447,395 km (0.095 R)
• M8: 5,734,834 km (0.111 R)
• M9: 6,443,180 km (0.108 R)
• M10: 6,947,475 km (0.11 R)
• M11: 7,880,965 km (0.114 R)
• M12: 8,868,611 km (0.112 R)
• M13: 9,464,908 km (0.073 R)
• M14: 10,301,758 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.8

Radius: 9.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.38 AU - 1.94 AU

Year: 1451 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,728,710 km

• M1: 120,725 km (0.09 R)
• M2: 654,640 km (0.094 R)
• M3: 1,031,477 km (0.11 R)
• M4: 1,335,311 km (0.091 R)
• M5: 1,907,223 km (0.109 R)
• M6: 2,793,291 km (0.116 R)
• M7: 3,114,179 km (0.079 R)
• M8: 3,475,458 km (0.087 R)
• M9: 4,157,923 km (0.11 R)
• M10: 4,578,293 km (0.041 R)
• M11: 4,927,006 km (0.11 R)
• M12: 5,699,978 km (0.106 R)
• M13: 6,575,874 km (0.084 R)
• M14: 6,970,513 km (0.047 R)
• M15: 8,420,415 km (0.102 R)
• M16: 9,186,057 km (0.078 R)
• M17: 9,617,198 km (0.081 R)
• M18: 10,256,580 km (0.085 R)
• M19: 12,308,165 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 9.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.74 AU - 4.82 AU

Year: 6006 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,728,710 km

• M1: 118,182 km (0.058 R)
• M2: 470,635 km (0.075 R)
• M3: 944,262 km (0.1 R)
• M4: 1,433,148 km (0.106 R)
• M5: 1,753,736 km (0.097 R)
• M6: 2,084,646 km (0.112 R)
• M7: 2,586,697 km (0.095 R)
• M8: 4,107,958 km (0.096 R)
• M9: 5,013,922 km (0.097 R)
• M10: 7,669,733 km (0.039 R)
• M11: 9,743,459 km (0.113 R)
• M12: 11,709,474 km (0.074 R)
• M13: 12,419,765 km (0.093 R)
• M14: 14,111,268 km (0.102 R)
• M15: 14,723,722 km (0.043 R)
• M16: 15,304,610 km (0.058 R)
• M17: 16,052,151 km (0.079 R)
• M18: 16,460,703 km (0.068 R)
• M19: 18,219,824 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 7.5

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.45 AU - 12.31 AU

Year: 21063 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,728,710 km

• M1: 103,971 km (0.092 R)
• M2: 883,525 km (0.11 R)
• M3: 1,338,153 km (0.106 R)
• M4: 3,793,054 km (0.098 R)
• M5: 6,822,560 km (0.093 R)
• M6: 7,890,988 km (0.083 R)
• M7: 9,349,568 km (0.104 R)
• M8: 11,761,534 km (0.117 R)
• M9: 12,166,047 km (0.097 R)
• M10: 12,579,984 km (0.078 R)
• M11: 20,255,851 km (0.103 R)
• M12: 26,238,719 km (0.073 R)
• M13: 34,384,173 km (0.052 R)
• M14: 41,689,037 km (0.111 R)
• M15: 49,090,990 km (0.112 R)
• M16: 55,231,683 km (0.093 R)
• M17: 70,767,572 km (0.113 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: 218 - 13,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit