🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.93 AU - 1.21 AU

Year: 408 Days

Day: 14.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 43.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.4 AU - 1.82 AU

Year: 754 Days

Day: 18.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2 AU - 2.08 AU

Year: 1075 Days

Day: 42.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 12.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.74 AU - 4.94 AU

Year: 3929 Days

Day: 13.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,722,585 km

• M1: 154,235 km (0.086 R)
• M2: 693,237 km (0.079 R)
• M3: 1,125,126 km (0.054 R)
• M4: 1,947,914 km (0.066 R)
• M5: 2,426,178 km (0.077 R)
• M6: 2,948,574 km (0.07 R)
• M7: 4,861,931 km (0.116 R)
• M8: 5,698,482 km (0.105 R)
• M9: 6,777,831 km (0.071 R)
• M10: 7,334,784 km (0.105 R)
• M11: 8,897,633 km (0.119 R)
• M12: 9,991,043 km (0.114 R)
• M13: 12,217,658 km (0.102 R)
• M14: 14,153,903 km (0.092 R)
• M15: 17,231,281 km (0.1 R)
• M16: 17,630,558 km (0.086 R)
• M17: 18,447,811 km (0.068 R)
• M18: 19,474,052 km (0.119 R)
• M19: 19,907,437 km (0.087 R)
• M20: 22,849,579 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 11.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.16 AU - 7.64 AU

Year: 5974 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,722,585 km

• M1: 148,102 km (0.096 R)
• M2: 942,167 km (0.118 R)
• M3: 1,775,278 km (0.027 R)
• M4: 2,299,618 km (0.047 R)
• M5: 2,978,643 km (0.065 R)
• M6: 3,404,548 km (0.063 R)
• M7: 3,913,779 km (0.095 R)
• M8: 4,736,418 km (0.103 R)
• M9: 5,922,729 km (0.086 R)
• M10: 6,539,970 km (0.095 R)
• M11: 9,924,323 km (0.084 R)
• M12: 10,796,329 km (0.052 R)
• M13: 12,129,844 km (0.061 R)
• M14: 12,550,513 km (0.084 R)
• M15: 14,023,753 km (0.115 R)
• M16: 14,696,794 km (0.1 R)
• M17: 20,026,368 km (0.104 R)
• M18: 21,349,860 km (0.094 R)
• M19: 23,013,987 km (0.055 R)
• M20: 25,062,730 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 11.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.39 AU - 7.85 AU

Year: 6284 Days

Day: 9.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,722,585 km

• M1: 139,425 km (0.1 R)
• M2: 594,053 km (0.062 R)
• M3: 1,027,588 km (0.073 R)
• M4: 1,444,517 km (0.056 R)
• M5: 1,870,721 km (0.098 R)
• M6: 2,261,770 km (0.076 R)
• M7: 3,341,867 km (0.03 R)
• M8: 4,463,402 km (0.096 R)
• M9: 5,111,011 km (0.103 R)
• M10: 5,788,091 km (0.079 R)
• M11: 6,215,642 km (0.096 R)
• M12: 8,304,627 km (0.089 R)
• M13: 8,764,341 km (0.094 R)
• M14: 10,199,134 km (0.114 R)
• M15: 13,758,516 km (0.071 R)
• M16: 14,702,928 km (0.114 R)
• M17: 15,068,096 km (0.118 R)
• M18: 16,071,299 km (0.097 R)
• M19: 18,071,722 km (0.1 R)
• M20: 18,632,116 km (0.046 R)
• M21: 19,421,394 km (0.081 R)
• M22: 20,232,962 km (0.092 R)
• M23: 21,531,472 km (0.081 R)
• M24: 23,789,951 km (0.046 R)
• M25: 24,548,263 km (0.11 R)
• M26: 26,649,365 km (0.068 R)
• M27: 29,827,422 km (0.115 R)
• M28: 33,879,729 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.6

Radius: 4.1

Gravity: 19.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 12.47 AU - 14.55 AU

Year: 18321 Days

Day: 21.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,722,585 km

• M1: 51,162 km (0.109 R)
• M2: 463,753 km (0.093 R)
• M3: 651,948 km (0.068 R)
• M4: 963,261 km (0.062 R)
• M5: 3,430,130 km (0.108 R)
• M6: 4,030,017 km (0.034 R)
• M7: 6,844,252 km (0.082 R)
• M8: 8,768,679 km (0.096 R)
• M9: 10,198,984 km (0.085 R)
• M10: 11,777,990 km (0.054 R)
• M11: 15,199,144 km (0.085 R)
• M12: 15,767,167 km (0.086 R)
• M13: 25,665,459 km (0.115 R)
• M14: 26,981,322 km (0.078 R)
• M15: 28,769,167 km (0.081 R)
• M16: 32,229,664 km (0.07 R)
• M17: 37,989,631 km (0.082 R)
• M18: 44,975,403 km (0.06 R)
• M19: 47,181,972 km (0.102 R)
• M20: 51,492,185 km (0.101 R)
• M21: 55,389,210 km (0.036 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 19,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit