🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.44 AU - 0.62 AU

Year: 245 Days

Day: 14.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.69 AU

Year: 266 Days

Day: 26.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 9.4

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.9 AU - 1.92 AU

Year: 1678 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,859,629 km

• M1: 116,986 km (0.119 R)
• M2: 465,549 km (0.104 R)
• M3: 934,687 km (0.07 R)
• M4: 1,314,516 km (0.089 R)
• M5: 1,663,528 km (0.115 R)
• M6: 2,005,359 km (0.08 R)
• M7: 2,593,429 km (0.118 R)
• M8: 2,906,238 km (0.077 R)
• M9: 3,260,186 km (0.086 R)
• M10: 3,660,361 km (0.091 R)
• M11: 5,576,261 km (0.104 R)
• M12: 6,503,468 km (0.057 R)
• M13: 7,501,585 km (0.073 R)
• M14: 7,934,222 km (0.087 R)
• M15: 8,261,991 km (0.08 R)
• M16: 10,816,076 km (0.062 R)
• M17: 11,443,788 km (0.113 R)
• M18: 12,490,525 km (0.037 R)
• M19: 14,728,808 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 11

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.88 AU - 3.12 AU

Year: 3304 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,859,629 km

• M1: 136,882 km (0.054 R)
• M2: 659,876 km (0.066 R)
• M3: 1,319,453 km (0.073 R)
• M4: 1,829,582 km (0.096 R)
• M5: 2,281,966 km (0.079 R)
• M6: 2,973,557 km (0.106 R)
• M7: 3,584,664 km (0.044 R)
• M8: 4,725,946 km (0.104 R)
• M9: 5,743,212 km (0.103 R)
• M10: 6,177,794 km (0.089 R)
• M11: 7,021,675 km (0.098 R)
• M12: 7,614,980 km (0.098 R)
• M13: 8,689,841 km (0.09 R)
• M14: 9,374,251 km (0.103 R)
• M15: 10,567,594 km (0.072 R)
• M16: 11,903,054 km (0.062 R)
• M17: 12,431,733 km (0.1 R)
• M18: 13,774,523 km (0.114 R)
• M19: 15,314,184 km (0.074 R)
• M20: 16,746,135 km (0.102 R)
• M21: 18,498,076 km (0.102 R)
• M22: 18,909,919 km (0.11 R)
• M23: 19,569,645 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 14.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.58 AU - 5.32 AU

Year: 5969 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,859,629 km

• M1: 181,612 km (0.107 R)
• M2: 702,212 km (0.092 R)
• M3: 1,431,652 km (0.104 R)
• M4: 3,004,972 km (0.103 R)
• M5: 3,718,255 km (0.103 R)
• M6: 5,511,186 km (0.069 R)
• M7: 8,151,139 km (0.087 R)
• M8: 10,029,939 km (0.101 R)
• M9: 11,544,617 km (0.086 R)
• M10: 12,010,315 km (0.084 R)
• M11: 13,344,878 km (0.089 R)
• M12: 13,858,298 km (0.099 R)
• M13: 14,433,502 km (0.09 R)
• M14: 17,057,748 km (0.113 R)
• M15: 17,663,021 km (0.025 R)
• M16: 19,865,101 km (0.09 R)
• M17: 20,597,084 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.6

Radius: 5.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.97 AU - 8.97 AU

Year: 14306 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,859,629 km

• M1: 69,862 km (0.075 R)
• M2: 250,576 km (0.111 R)
• M3: 582,833 km (0.041 R)
• M4: 1,022,202 km (0.036 R)
• M5: 1,386,473 km (0.067 R)
• M6: 2,047,696 km (0.11 R)
• M7: 2,294,083 km (0.081 R)
• M8: 2,560,068 km (0.119 R)
• M9: 2,899,057 km (0.082 R)
• M10: 3,286,815 km (0.076 R)
• M11: 3,771,362 km (0.109 R)
• M12: 4,187,693 km (0.053 R)
• M13: 4,732,080 km (0.105 R)
• M14: 7,059,374 km (0.091 R)
• M15: 10,013,782 km (0.102 R)
• M16: 11,602,362 km (0.069 R)
• M17: 17,779,408 km (0.086 R)
• M18: 20,884,012 km (0.111 R)
• M19: 21,219,860 km (0.075 R)
• M20: 23,526,958 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.6

Radius: 5.7

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.84 AU - 11.16 AU

Year: 18617 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,859,629 km

• M1: 74,649 km (0.074 R)
• M2: 359,783 km (0.069 R)
• M3: 583,432 km (0.028 R)
• M4: 1,221,018 km (0.1 R)
• M5: 3,093,983 km (0.043 R)
• M6: 5,301,898 km (0.105 R)
• M7: 6,622,997 km (0.088 R)
• M8: 7,294,542 km (0.117 R)
• M9: 7,602,115 km (0.1 R)
• M10: 10,604,843 km (0.054 R)
• M11: 13,777,066 km (0.07 R)
• M12: 20,754,161 km (0.032 R)
• M13: 32,875,478 km (0.112 R)
• M14: 44,050,888 km (0.062 R)
• M15: 52,325,296 km (0.108 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit