🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.72 AU - 0.88 AU

Year: 268 Days

Day: 36.3 Hours

Environment

Temp: 88 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.78 AU - 0.94 AU

Year: 299 Days

Day: 17.6 Hours

Environment

Temp: 68 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.83 AU - 0.99 AU

Year: 325 Days

Day: 41.2 Hours

Environment

Temp: 33 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,318,706 km

• M1: 581,637 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.3 AU - 1.84 AU

Year: 737 Days

Day: 16 Hours

Environment

Temp: -60 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.7 AU - 2.22 AU

Year: 1028 Days

Day: 32.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,318,706 km

• M1: 259,852 km (0.052 R)

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 10.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.2 AU - 10.28 AU

Year: 10525 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,318,706 km

• M1: 143,913 km (0.089 R)
• M2: 721,511 km (0.105 R)
• M3: 1,760,917 km (0.079 R)
• M4: 2,447,272 km (0.049 R)
• M5: 2,832,636 km (0.065 R)
• M6: 6,032,983 km (0.088 R)
• M7: 9,951,550 km (0.087 R)
• M8: 12,602,873 km (0.095 R)
• M9: 15,628,190 km (0.045 R)
• M10: 18,301,056 km (0.044 R)
• M11: 24,271,806 km (0.109 R)
• M12: 40,602,807 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.1

Radius: 3.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 11.01 AU - 12.95 AU

Year: 15539 Days

Day: 15.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,318,706 km

• M1: 46,525 km (0.045 R)
• M2: 236,065 km (0.029 R)
• M3: 564,882 km (0.09 R)
• M4: 1,932,057 km (0.12 R)
• M5: 2,112,023 km (0.12 R)
• M6: 3,124,202 km (0.1 R)
• M7: 3,932,180 km (0.069 R)
• M8: 4,843,081 km (0.025 R)
• M9: 5,232,634 km (0.119 R)
• M10: 5,493,832 km (0.092 R)
• M11: 6,137,253 km (0.095 R)
• M12: 6,626,438 km (0.114 R)
• M13: 6,829,292 km (0.051 R)
• M14: 7,036,186 km (0.046 R)
• M15: 11,513,651 km (0.102 R)
• M16: 12,664,657 km (0.068 R)
• M17: 14,845,195 km (0.085 R)
• M18: 17,971,940 km (0.057 R)
• M19: 18,565,694 km (0.037 R)
• M20: 20,927,246 km (0.098 R)
• M21: 25,404,561 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512

Radius: 5.1

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 12.59 AU - 15.87 AU

Year: 20116 Days

Day: 24.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,318,706 km

• M1: 64,925 km (0.08 R)
• M2: 270,174 km (0.109 R)
• M3: 501,901 km (0.063 R)
• M4: 695,630 km (0.043 R)
• M5: 1,008,888 km (0.067 R)
• M6: 1,294,770 km (0.104 R)
• M7: 2,047,696 km (0.09 R)
• M8: 2,269,549 km (0.108 R)
• M9: 3,321,671 km (0.083 R)
• M10: 3,514,802 km (0.034 R)
• M11: 4,495,715 km (0.11 R)
• M12: 4,767,086 km (0.115 R)
• M13: 5,608,275 km (0.073 R)
• M14: 5,962,822 km (0.059 R)
• M15: 6,981,882 km (0.088 R)
• M16: 7,438,904 km (0.119 R)
• M17: 7,818,583 km (0.043 R)
• M18: 8,463,200 km (0.036 R)
• M19: 13,024,439 km (0.092 R)
• M20: 15,475,900 km (0.109 R)
• M21: 15,705,832 km (0.086 R)
• M22: 19,793,593 km (0.114 R)
• M23: 21,362,726 km (0.096 R)
• M24: 23,413,114 km (0.088 R)
• M25: 25,378,082 km (0.118 R)
• M26: 27,226,962 km (0.114 R)
• M27: 28,241,236 km (0.104 R)
• M28: 29,750,529 km (0.077 R)
• M29: 30,705,412 km (0.102 R)
• M30: 31,190,558 km (0.044 R)
• M31: 36,868,545 km (0.11 R)
• M32: 38,388,459 km (0.112 R)
• M33: 46,937,978 km (0.034 R)
• M34: 50,550,467 km (0.115 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: 494 - 17,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit