🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.2 AU - 1.68 AU

Year: 648 Days

Day: 12.7 Hours

Environment

Temp: -31 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.29 AU - 1.61 AU

Year: 654 Days

Day: 45.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,745,040 km

• M1: 1,094,608 km (0.102 R)
• M2: 1,343,090 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.9 AU - 1.96 AU

Year: 1005 Days

Day: 13.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.53 AU - 2.43 AU

Year: 1044 Days

Day: 18.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.7

Radius: 9.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.89 AU - 9.27 AU

Year: 7820 Days

Day: 12.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,745,040 km

• M1: 123,867 km (0.058 R)
• M2: 433,535 km (0.102 R)
• M3: 893,249 km (0.074 R)
• M4: 1,668,615 km (0.112 R)
• M5: 2,319,665 km (0.103 R)
• M6: 3,794,101 km (0.032 R)
• M7: 4,495,865 km (0.091 R)
• M8: 6,612,226 km (0.104 R)
• M9: 7,055,335 km (0.098 R)
• M10: 7,373,529 km (0.095 R)
• M11: 8,115,385 km (0.034 R)
• M12: 9,447,106 km (0.103 R)
• M13: 10,277,075 km (0.069 R)
• M14: 10,966,122 km (0.103 R)
• M15: 12,745,140 km (0.046 R)
• M16: 13,758,067 km (0.106 R)
• M17: 18,152,355 km (0.099 R)
• M18: 19,780,130 km (0.085 R)
• M19: 20,272,755 km (0.112 R)
• M20: 23,013,538 km (0.11 R)
• M21: 24,593,441 km (0.116 R)
• M22: 26,328,926 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 8.5

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.82 AU - 8.48 AU

Year: 8719 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 94,745,040 km

• M1: 106,065 km (0.033 R)
• M2: 468,840 km (0.087 R)
• M3: 1,213,688 km (0.083 R)
• M4: 1,703,172 km (0.109 R)
• M5: 2,882,901 km (0.088 R)
• M6: 3,369,243 km (0.12 R)
• M7: 4,146,554 km (0.047 R)
• M8: 4,421,365 km (0.102 R)
• M9: 5,100,091 km (0.1 R)
• M10: 6,052,730 km (0.091 R)
• M11: 6,371,224 km (0.094 R)
• M12: 7,966,535 km (0.053 R)
• M13: 8,924,560 km (0.034 R)
• M14: 10,402,138 km (0.039 R)
• M15: 10,860,057 km (0.084 R)
• M16: 12,885,313 km (0.074 R)
• M17: 13,473,233 km (0.088 R)
• M18: 15,871,736 km (0.105 R)
• M19: 16,410,587 km (0.116 R)
• M20: 16,822,879 km (0.09 R)
• M21: 18,541,010 km (0.104 R)
• M22: 21,495,868 km (0.112 R)
• M23: 23,689,421 km (0.1 R)
• M24: 24,840,427 km (0.099 R)
• M25: 27,831,786 km (0.107 R)
• M26: 28,813,747 km (0.106 R)
• M27: 29,615,741 km (0.114 R)
• M28: 33,629,901 km (0.053 R)
• M29: 37,161,906 km (0.04 R)
• M30: 37,516,304 km (0.05 R)
• M31: 41,059,529 km (0.114 R)
• M32: 43,367,525 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.7

Radius: 6.5

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 15.36 AU - 21.42 AU

Year: 29553 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,745,040 km

• M1: 81,381 km (0.085 R)
• M2: 303,534 km (0.038 R)
• M3: 680,222 km (0.056 R)
• M4: 908,358 km (0.095 R)
• M5: 1,232,686 km (0.088 R)
• M6: 1,613,862 km (0.104 R)
• M7: 2,226,465 km (0.112 R)
• M8: 3,241,337 km (0.107 R)
• M9: 4,571,561 km (0.095 R)
• M10: 5,567,584 km (0.114 R)
• M11: 6,895,863 km (0.098 R)
• M12: 7,144,495 km (0.117 R)
• M13: 7,660,009 km (0.095 R)
• M14: 8,880,728 km (0.07 R)
• M15: 9,846,532 km (0.111 R)
• M16: 10,549,941 km (0.093 R)
• M17: 12,344,966 km (0.087 R)
• M18: 13,700,921 km (0.084 R)
• M19: 14,822,007 km (0.033 R)
• M20: 19,522,821 km (0.056 R)
• M21: 28,680,006 km (0.114 R)
• M22: 32,829,702 km (0.041 R)
• M23: 37,362,667 km (0.115 R)
• M24: 38,285,685 km (0.118 R)
• M25: 44,831,340 km (0.088 R)
• M26: 49,463,339 km (0.067 R)
• M27: 50,017,599 km (0.103 R)
• M28: 50,389,200 km (0.114 R)
• M29: 60,082,843 km (0.093 R)
• M30: 67,947,203 km (0.084 R)
• M31: 68,632,062 km (0.119 R)
• M32: 75,490,078 km (0.083 R)
• M33: 77,459,384 km (0.038 R)
• M34: 79,462,649 km (0.087 R)
• M35: 88,091,454 km (0.067 R)
• M36: 89,724,614 km (0.1 R)
• M37: 94,461,331 km (0.085 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: 404 - 13,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit