🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.14 AU - 1.28 AU

Year: 491 Days

Day: 30.7 Hours

Environment

Temp: -13 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.31 AU - 1.57 AU

Year: 638 Days

Day: 42.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.32 AU - 1.8 AU

Year: 719 Days

Day: 12.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.17 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.38 AU - 3.16 AU

Year: 1701 Days

Day: 38.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,648,924 km

• M1: 77,342 km (0.108 R)
• M2: 1,146,368 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.28 AU - 3.32 AU

Year: 1729 Days

Day: 38.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 12.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.06 AU - 10.9 AU

Year: 9929 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,648,924 km

• M1: 154,235 km (0.047 R)
• M2: 857,794 km (0.102 R)
• M3: 2,390,424 km (0.085 R)
• M4: 2,871,082 km (0.059 R)
• M5: 3,284,272 km (0.095 R)
• M6: 6,701,386 km (0.054 R)
• M7: 7,473,162 km (0.088 R)
• M8: 10,147,523 km (0.047 R)
• M9: 14,154,502 km (0.029 R)
• M10: 18,682,680 km (0.051 R)
• M11: 20,812,953 km (0.061 R)
• M12: 21,273,266 km (0.052 R)
• M13: 26,975,338 km (0.075 R)
• M14: 27,522,717 km (0.11 R)
• M15: 27,984,526 km (0.052 R)
• M16: 29,689,941 km (0.04 R)
• M17: 31,867,189 km (0.109 R)
• M18: 36,648,786 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.6

Radius: 8.2

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.87 AU - 10.25 AU

Year: 11773 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,648,924 km

• M1: 107,561 km (0.061 R)
• M2: 522,246 km (0.117 R)
• M3: 786,885 km (0.062 R)
• M4: 1,098,348 km (0.119 R)
• M5: 1,422,676 km (0.102 R)
• M6: 1,715,140 km (0.12 R)
• M7: 2,137,754 km (0.081 R)
• M8: 3,439,255 km (0.068 R)
• M9: 4,497,959 km (0.026 R)
• M10: 5,102,484 km (0.025 R)
• M11: 5,407,065 km (0.087 R)
• M12: 5,759,967 km (0.113 R)
• M13: 7,327,304 km (0.068 R)
• M14: 7,715,809 km (0.116 R)
• M15: 8,487,286 km (0.081 R)
• M16: 9,972,643 km (0.119 R)
• M17: 11,166,733 km (0.111 R)
• M18: 11,450,819 km (0.059 R)
• M19: 12,332,549 km (0.1 R)
• M20: 13,577,503 km (0.064 R)
• M21: 16,388,148 km (0.085 R)
• M22: 16,681,509 km (0.048 R)
• M23: 20,145,148 km (0.119 R)
• M24: 26,901,288 km (0.1 R)
• M25: 29,958,320 km (0.112 R)
• M26: 31,400,892 km (0.106 R)
• M27: 32,773,154 km (0.113 R)
• M28: 35,392,014 km (0.054 R)
• M29: 37,129,294 km (0.101 R)
• M30: 38,792,673 km (0.111 R)
• M31: 39,183,572 km (0.097 R)
• M32: 40,505,269 km (0.078 R)
• M33: 40,907,538 km (0.111 R)
• M34: 41,993,169 km (0.054 R)
• M35: 42,543,091 km (0.058 R)
• M36: 43,798,217 km (0.077 R)
• M37: 48,611,379 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.7

Radius: 6.5

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 13.35 AU - 22.11 AU

Year: 27545 Days

Day: 20.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,648,924 km

• M1: 80,783 km (0.107 R)
• M2: 634,893 km (0.093 R)
• M3: 1,576,762 km (0.119 R)
• M4: 2,032,287 km (0.118 R)
• M5: 2,572,036 km (0.054 R)
• M6: 2,875,720 km (0.087 R)
• M7: 3,231,464 km (0.06 R)
• M8: 4,694,232 km (0.068 R)
• M9: 5,800,358 km (0.056 R)
• M10: 6,190,210 km (0.098 R)
• M11: 6,414,158 km (0.11 R)
• M12: 6,690,166 km (0.091 R)
• M13: 8,031,610 km (0.088 R)
• M14: 9,134,446 km (0.077 R)
• M15: 9,366,472 km (0.1 R)
• M16: 10,460,332 km (0.084 R)
• M17: 11,434,812 km (0.069 R)
• M18: 12,971,482 km (0.084 R)
• M19: 14,959,338 km (0.112 R)
• M20: 16,534,454 km (0.094 R)
• M21: 18,125,577 km (0.079 R)
• M22: 23,507,959 km (0.045 R)
• M23: 25,860,086 km (0.028 R)
• M24: 32,485,327 km (0.096 R)
• M25: 36,403,445 km (0.12 R)
• M26: 37,134,679 km (0.101 R)
• M27: 43,341,645 km (0.066 R)
• M28: 46,006,432 km (0.087 R)
• M29: 48,250,549 km (0.075 R)
• M30: 54,462,750 km (0.03 R)
• M31: 60,572,926 km (0.101 R)
• M32: 69,111,224 km (0.105 R)
• M33: 77,692,009 km (0.062 R)
• M34: 79,391,440 km (0.086 R)
• M35: 80,373,700 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.9

Radius: 6

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 15.19 AU - 24.27 AU

Year: 32335 Days

Day: 17.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,648,924 km

• M1: 103,223 km (0.048 R)
• M2: 312,959 km (0.087 R)
• M3: 506,538 km (0.106 R)
• M4: 743,950 km (0.088 R)
• M5: 994,227 km (0.056 R)
• M6: 1,773,632 km (0.078 R)
• M7: 2,468,066 km (0.117 R)
• M8: 2,801,519 km (0.078 R)
• M9: 3,707,185 km (0.109 R)
• M10: 4,309,615 km (0.101 R)
• M11: 5,870,220 km (0.045 R)
• M12: 6,421,189 km (0.084 R)
• M13: 7,528,064 km (0.087 R)
• M14: 12,470,329 km (0.117 R)
• M15: 14,708,163 km (0.105 R)
• M16: 16,614,639 km (0.066 R)
• M17: 16,947,644 km (0.102 R)
• M18: 28,655,771 km (0.095 R)
• M19: 42,916,188 km (0.088 R)
• M20: 43,543,003 km (0.119 R)
• M21: 45,948,537 km (0.107 R)
• M22: 48,950,218 km (0.08 R)
• M23: 52,080,105 km (0.083 R)
• M24: 57,021,173 km (0.048 R)
• M25: 60,287,344 km (0.09 R)
• M26: 72,145,668 km (0.05 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 16,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit