🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.71 AU

Year: 166 Days

Day: 38 Hours

Environment

Temp: 145 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,484,431 km

• M1: 65,524 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.92 AU - 2.34 AU

Year: 1197 Days

Day: 36.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.21 AU - 2.79 AU

Year: 1522 Days

Day: 24.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 13.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.93 AU - 5.97 AU

Year: 4240 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,484,431 km

• M1: 162,912 km (0.043 R)
• M2: 601,533 km (0.106 R)
• M3: 1,332,618 km (0.03 R)
• M4: 2,086,142 km (0.082 R)
• M5: 2,609,436 km (0.095 R)
• M6: 3,018,287 km (0.085 R)
• M7: 3,881,616 km (0.105 R)
• M8: 4,441,860 km (0.112 R)
• M9: 5,895,203 km (0.115 R)
• M10: 6,700,339 km (0.115 R)
• M11: 7,409,283 km (0.097 R)
• M12: 7,851,495 km (0.108 R)
• M13: 9,285,091 km (0.076 R)
• M14: 10,084,841 km (0.066 R)
• M15: 12,052,352 km (0.073 R)
• M16: 13,801,451 km (0.087 R)
• M17: 15,993,359 km (0.097 R)
• M18: 16,676,572 km (0.057 R)
• M19: 17,858,395 km (0.064 R)
• M20: 20,191,225 km (0.04 R)
• M21: 20,787,971 km (0.08 R)
• M22: 24,320,724 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 14.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.81 AU - 6.63 AU

Year: 5267 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,484,431 km

• M1: 181,761 km (0.104 R)
• M2: 871,258 km (0.086 R)
• M3: 2,063,703 km (0.109 R)
• M4: 2,744,223 km (0.096 R)
• M5: 4,673,437 km (0.083 R)
• M6: 5,316,409 km (0.115 R)
• M7: 7,607,501 km (0.115 R)
• M8: 8,061,979 km (0.1 R)
• M9: 8,813,110 km (0.055 R)
• M10: 11,644,698 km (0.114 R)
• M11: 14,785,057 km (0.12 R)
• M12: 15,650,780 km (0.115 R)
• M13: 16,550,162 km (0.099 R)
• M14: 18,106,279 km (0.068 R)
• M15: 21,701,864 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 9.2

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.47 AU - 11.43 AU

Year: 11185 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,484,431 km

• M1: 116,238 km (0.098 R)
• M2: 577,298 km (0.1 R)
• M3: 1,059,602 km (0.082 R)
• M4: 1,731,745 km (0.092 R)
• M5: 2,053,231 km (0.058 R)
• M6: 2,932,118 km (0.061 R)
• M7: 4,218,211 km (0.092 R)
• M8: 5,036,811 km (0.118 R)
• M9: 5,519,563 km (0.088 R)
• M10: 6,070,682 km (0.114 R)
• M11: 6,986,520 km (0.113 R)
• M12: 12,612,896 km (0.094 R)
• M13: 18,038,362 km (0.067 R)
• M14: 18,517,075 km (0.089 R)
• M15: 20,603,217 km (0.103 R)
• M16: 22,472,891 km (0.117 R)
• M17: 23,590,537 km (0.089 R)
• M18: 25,435,378 km (0.111 R)
• M19: 27,061,956 km (0.087 R)
• M20: 27,900,751 km (0.078 R)
• M21: 30,184,961 km (0.1 R)
• M22: 32,239,688 km (0.106 R)
• M23: 35,122,139 km (0.119 R)
• M24: 35,868,782 km (0.098 R)
• M25: 39,627,130 km (0.106 R)
• M26: 41,670,487 km (0.077 R)
• M27: 42,227,141 km (0.081 R)
• M28: 52,301,809 km (0.074 R)
• M29: 52,786,955 km (0.063 R)
• M30: 56,947,870 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 5.5

Gravity: 25.03 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 13.26 AU - 19.12 AU

Year: 25081 Days

Day: 16.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,484,431 km

• M1: 69,862 km (0.063 R)
• M2: 251,324 km (0.073 R)
• M3: 619,485 km (0.114 R)
• M4: 1,123,630 km (0.075 R)
• M5: 1,656,647 km (0.086 R)
• M6: 2,561,415 km (0.063 R)
• M7: 3,629,843 km (0.085 R)
• M8: 7,697,409 km (0.059 R)
• M9: 7,908,791 km (0.049 R)
• M10: 8,454,374 km (0.062 R)
• M11: 8,850,958 km (0.098 R)
• M12: 9,865,680 km (0.113 R)
• M13: 10,497,582 km (0.116 R)
• M14: 12,338,084 km (0.115 R)
• M15: 14,543,307 km (0.029 R)
• M16: 23,475,347 km (0.082 R)
• M17: 35,194,096 km (0.12 R)
• M18: 38,173,637 km (0.086 R)
• M19: 39,724,518 km (0.063 R)
• M20: 49,921,109 km (0.049 R)
• M21: 51,961,923 km (0.116 R)
• M22: 53,480,640 km (0.113 R)
• M23: 71,951,639 km (0.085 R)
• M24: 76,239,712 km (0.075 R)
• M25: 84,018,503 km (0.105 R)
• M26: 85,582,698 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 19,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit