🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 11.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.08 AU - 1.42 AU

Year: 965 Days

Day: 5.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,578,981 km

• M1: 141,968 km (0.089 R)
• M2: 545,583 km (0.075 R)
• M3: 930,499 km (0.075 R)
• M4: 1,373,009 km (0.058 R)
• M5: 1,814,323 km (0.048 R)
• M6: 2,686,778 km (0.079 R)
• M7: 3,344,260 km (0.084 R)
• M8: 3,788,416 km (0.092 R)
• M9: 4,407,752 km (0.117 R)
• M10: 5,304,740 km (0.12 R)
• M11: 6,038,368 km (0.047 R)
• M12: 7,001,928 km (0.093 R)
• M13: 7,434,565 km (0.102 R)
• M14: 9,119,636 km (0.103 R)
• M15: 10,386,431 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 8

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.82 AU - 3.12 AU

Year: 3533 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,578,981 km

• M1: 99,483 km (0.031 R)
• M2: 386,411 km (0.039 R)
• M3: 644,916 km (0.041 R)
• M4: 949,647 km (0.082 R)
• M5: 2,599,413 km (0.109 R)
• M6: 3,162,050 km (0.098 R)
• M7: 3,764,481 km (0.111 R)
• M8: 4,333,551 km (0.045 R)
• M9: 4,594,450 km (0.09 R)
• M10: 4,865,970 km (0.1 R)
• M11: 6,034,180 km (0.106 R)
• M12: 6,584,251 km (0.098 R)
• M13: 7,227,372 km (0.053 R)
• M14: 8,809,669 km (0.082 R)
• M15: 9,517,566 km (0.114 R)
• M16: 11,411,475 km (0.091 R)
• M17: 11,995,655 km (0.107 R)
• M18: 12,468,683 km (0.106 R)
• M19: 16,870,301 km (0.095 R)
• M20: 18,922,934 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 11.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.77 AU - 4.79 AU

Year: 6112 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,578,981 km

• M1: 144,212 km (0.098 R)
• M2: 2,047,845 km (0.067 R)
• M3: 3,599,474 km (0.08 R)
• M4: 4,674,485 km (0.104 R)
• M5: 6,347,438 km (0.117 R)
• M6: 8,107,008 km (0.1 R)
• M7: 9,229,141 km (0.071 R)
• M8: 11,831,097 km (0.057 R)
• M9: 13,892,406 km (0.073 R)
• M10: 15,805,314 km (0.104 R)
• M11: 19,493,799 km (0.106 R)
• M12: 24,298,584 km (0.045 R)
• M13: 25,655,885 km (0.054 R)
• M14: 32,698,504 km (0.108 R)
• M15: 36,059,968 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.8

Radius: 9.6

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.8 AU - 6.12 AU

Year: 8806 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,578,981 km

• M1: 120,725 km (0.084 R)
• M2: 492,327 km (0.077 R)
• M3: 1,130,062 km (0.06 R)
• M4: 2,085,394 km (0.083 R)
• M5: 2,465,971 km (0.086 R)
• M6: 3,189,726 km (0.109 R)
• M7: 3,697,910 km (0.069 R)
• M8: 4,126,956 km (0.051 R)
• M9: 4,532,815 km (0.087 R)
• M10: 5,330,771 km (0.12 R)
• M11: 6,465,470 km (0.069 R)
• M12: 7,673,623 km (0.09 R)
• M13: 8,674,133 km (0.074 R)
• M14: 10,334,670 km (0.068 R)
• M15: 12,251,916 km (0.119 R)
• M16: 14,152,108 km (0.062 R)
• M17: 16,374,085 km (0.045 R)
• M18: 21,497,364 km (0.1 R)
• M19: 31,762,770 km (0.039 R)
• M20: 33,561,534 km (0.092 R)
• M21: 40,697,502 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.5

Radius: 7.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.17 AU - 6.55 AU

Year: 9792 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,578,981 km

• M1: 93,199 km (0.116 R)
• M2: 375,640 km (0.12 R)
• M3: 673,490 km (0.11 R)
• M4: 932,892 km (0.071 R)
• M5: 1,457,233 km (0.08 R)
• M6: 1,713,793 km (0.025 R)
• M7: 2,029,744 km (0.061 R)
• M8: 2,690,219 km (0.12 R)
• M9: 4,306,025 km (0.115 R)
• M10: 4,893,646 km (0.103 R)
• M11: 5,165,315 km (0.098 R)
• M12: 7,571,896 km (0.06 R)
• M13: 9,763,804 km (0.099 R)
• M14: 10,594,820 km (0.112 R)
• M15: 11,855,482 km (0.101 R)
• M16: 13,057,650 km (0.086 R)
• M17: 17,025,434 km (0.104 R)
• M18: 19,080,909 km (0.109 R)
• M19: 21,440,217 km (0.029 R)
• M20: 24,065,061 km (0.113 R)
• M21: 24,693,821 km (0.105 R)
• M22: 27,488,758 km (0.084 R)
• M23: 28,436,311 km (0.111 R)
• M24: 29,316,396 km (0.028 R)
• M25: 30,033,568 km (0.083 R)
• M26: 30,396,492 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 19,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit