🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 9.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.46 AU - 0.7 AU

Year: 295 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,639,348 km

• M1: 120,725 km (0.061 R)
• M2: 443,109 km (0.069 R)
• M3: 749,635 km (0.059 R)
• M4: 1,079,648 km (0.082 R)
• M5: 1,508,695 km (0.105 R)
• M6: 1,832,873 km (0.069 R)
• M7: 2,263,865 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 12.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.79 AU - 1.03 AU

Year: 579 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,639,348 km

• M1: 159,172 km (0.111 R)
• M2: 665,711 km (0.025 R)
• M3: 1,156,990 km (0.075 R)
• M4: 1,823,149 km (0.119 R)
• M5: 2,323,105 km (0.109 R)
• M6: 2,885,593 km (0.095 R)
• M7: 3,593,640 km (0.11 R)
• M8: 4,173,481 km (0.054 R)
• M9: 4,585,324 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 13.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.13 AU - 1.43 AU

Year: 966 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,639,348 km

• M1: 163,361 km (0.099 R)
• M2: 812,616 km (0.078 R)
• M3: 2,065,348 km (0.113 R)
• M4: 4,109,154 km (0.057 R)
• M5: 5,457,181 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 15

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.21 AU - 2.23 AU

Year: 2206 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,639,348 km

• M1: 187,147 km (0.089 R)
• M2: 720,912 km (0.115 R)
• M3: 1,233,285 km (0.118 R)
• M4: 1,824,944 km (0.044 R)
• M5: 2,716,249 km (0.117 R)
• M6: 4,090,006 km (0.05 R)
• M7: 4,574,104 km (0.109 R)
• M8: 5,734,834 km (0.108 R)
• M9: 6,323,951 km (0.106 R)
• M10: 6,953,309 km (0.074 R)
• M11: 7,464,036 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 9.5

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.57 AU - 4.01 AU

Year: 4920 Days

Day: 9.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,639,348 km

• M1: 118,182 km (0.099 R)
• M2: 443,258 km (0.072 R)
• M3: 933,192 km (0.088 R)
• M4: 1,476,681 km (0.092 R)
• M5: 2,131,470 km (0.086 R)
• M6: 2,842,210 km (0.099 R)
• M7: 3,156,216 km (0.106 R)
• M8: 3,555,493 km (0.082 R)
• M9: 3,988,429 km (0.076 R)
• M10: 5,280,356 km (0.092 R)
• M11: 6,543,710 km (0.044 R)
• M12: 9,132,950 km (0.106 R)
• M13: 9,947,062 km (0.119 R)
• M14: 10,676,351 km (0.102 R)
• M15: 10,986,916 km (0.082 R)
• M16: 11,860,269 km (0.084 R)
• M17: 13,797,112 km (0.026 R)
• M18: 14,595,367 km (0.036 R)
• M19: 15,367,740 km (0.042 R)
• M20: 18,350,124 km (0.084 R)
• M21: 19,249,805 km (0.105 R)
• M22: 19,578,173 km (0.089 R)
• M23: 20,313,745 km (0.115 R)
• M24: 23,815,682 km (0.087 R)
• M25: 25,432,536 km (0.076 R)
• M26: 27,784,065 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.1

Radius: 4.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.54 AU - 10.06 AU

Year: 15946 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,639,348 km

• M1: 53,406 km (0.107 R)
• M2: 201,060 km (0.11 R)
• M3: 368,759 km (0.111 R)
• M4: 524,939 km (0.081 R)
• M5: 785,838 km (0.12 R)
• M6: 1,117,346 km (0.101 R)
• M7: 1,296,415 km (0.114 R)
• M8: 1,536,370 km (0.091 R)
• M9: 2,911,175 km (0.033 R)
• M10: 3,158,609 km (0.104 R)
• M11: 3,468,875 km (0.12 R)
• M12: 4,854,451 km (0.109 R)
• M13: 5,267,491 km (0.078 R)
• M14: 6,055,273 km (0.081 R)
• M15: 6,879,408 km (0.104 R)
• M16: 7,076,727 km (0.118 R)
• M17: 8,076,639 km (0.053 R)
• M18: 9,996,728 km (0.106 R)
• M19: 12,086,610 km (0.094 R)
• M20: 12,784,036 km (0.096 R)
• M21: 18,358,202 km (0.113 R)
• M22: 21,044,381 km (0.117 R)
• M23: 22,051,773 km (0.119 R)
• M24: 23,267,256 km (0.101 R)
• M25: 29,086,314 km (0.103 R)
• M26: 30,758,968 km (0.119 R)
• M27: 33,838,290 km (0.112 R)
• M28: 38,833,064 km (0.111 R)
• M29: 44,161,441 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.3

Radius: 6

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.21 AU - 8.71 AU

Year: 16409 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,639,348 km

• M1: 88,712 km (0.117 R)
• M2: 1,136,345 km (0.085 R)
• M3: 1,673,701 km (0.074 R)
• M4: 2,284,060 km (0.088 R)
• M5: 2,651,622 km (0.099 R)
• M6: 3,262,879 km (0.079 R)
• M7: 4,659,824 km (0.107 R)
• M8: 5,107,720 km (0.094 R)
• M9: 5,852,269 km (0.1 R)
• M10: 6,049,139 km (0.073 R)
• M11: 7,145,841 km (0.088 R)
• M12: 14,236,631 km (0.107 R)
• M13: 19,705,929 km (0.087 R)
• M14: 21,148,352 km (0.106 R)
• M15: 22,179,979 km (0.097 R)
• M16: 25,475,769 km (0.094 R)
• M17: 26,002,055 km (0.084 R)
• M18: 28,179,601 km (0.047 R)
• M19: 28,629,293 km (0.109 R)
• M20: 36,092,880 km (0.054 R)
• M21: 40,910,679 km (0.109 R)
• M22: 48,833,682 km (0.025 R)
• M23: 49,972,570 km (0.107 R)
• M24: 61,406,635 km (0.11 R)
• M25: 63,307,276 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 12,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit