🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.99 AU - 1.43 AU

Year: 504 Days

Day: 17.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,602,222 km

• M1: 923,916 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.43 AU - 1.69 AU

Year: 738 Days

Day: 28.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,602,222 km

• M1: 31,416 km (0.097 R)
• M2: 444,306 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.86 AU - 4.26 AU

Year: 2544 Days

Day: 47 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,602,222 km

• M1: 124,765 km (0.1 R)

Asteroid Belt

Center: 4.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 13.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.76 AU - 5.62 AU

Year: 3847 Days

Day: 12.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,602,222 km

• M1: 171,589 km (0.118 R)
• M2: 647,460 km (0.083 R)
• M3: 1,216,231 km (0.079 R)
• M4: 2,483,175 km (0.113 R)
• M5: 6,086,988 km (0.109 R)
• M6: 6,839,016 km (0.096 R)
• M7: 8,303,579 km (0.08 R)
• M8: 8,991,879 km (0.1 R)
• M9: 11,927,737 km (0.056 R)
• M10: 16,545,225 km (0.057 R)
• M11: 18,227,005 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 14.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.59 AU - 6.55 AU

Year: 4979 Days

Day: 7.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,602,222 km

• M1: 180,265 km (0.087 R)
• M2: 792,570 km (0.096 R)
• M3: 1,288,038 km (0.043 R)
• M4: 2,097,362 km (0.113 R)
• M5: 3,685,344 km (0.099 R)
• M6: 5,731,244 km (0.098 R)
• M7: 6,471,903 km (0.119 R)
• M8: 7,774,601 km (0.098 R)
• M9: 8,644,214 km (0.045 R)
• M10: 9,917,890 km (0.082 R)
• M11: 10,532,737 km (0.109 R)
• M12: 11,219,691 km (0.1 R)
• M13: 16,286,421 km (0.112 R)
• M14: 17,456,875 km (0.092 R)
• M15: 18,289,686 km (0.095 R)
• M16: 20,034,596 km (0.099 R)
• M17: 20,663,655 km (0.092 R)
• M18: 22,257,171 km (0.045 R)
• M19: 23,543,713 km (0.11 R)
• M20: 24,719,403 km (0.11 R)
• M21: 26,347,626 km (0.039 R)
• M22: 27,529,150 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 13

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.07 AU - 8.49 AU

Year: 7440 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,602,222 km

• M1: 161,715 km (0.026 R)
• M2: 665,711 km (0.078 R)
• M3: 1,090,269 km (0.11 R)
• M4: 1,800,560 km (0.073 R)
• M5: 2,240,527 km (0.098 R)
• M6: 4,127,106 km (0.082 R)
• M7: 5,501,462 km (0.118 R)
• M8: 7,726,281 km (0.098 R)
• M9: 8,684,007 km (0.103 R)
• M10: 9,096,299 km (0.108 R)
• M11: 9,799,409 km (0.087 R)
• M12: 13,619,689 km (0.057 R)
• M13: 14,332,374 km (0.119 R)
• M14: 15,339,167 km (0.09 R)
• M15: 16,563,177 km (0.094 R)
• M16: 19,142,095 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.5

Radius: 4.7

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 12.17 AU - 14.81 AU

Year: 18766 Days

Day: 19.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,602,222 km

• M1: 58,493 km (0.111 R)
• M2: 375,790 km (0.111 R)
• M3: 649,554 km (0.099 R)
• M4: 886,966 km (0.039 R)
• M5: 1,928,616 km (0.12 R)
• M6: 2,844,005 km (0.06 R)
• M7: 3,197,355 km (0.068 R)
• M8: 4,071,755 km (0.104 R)
• M9: 5,190,298 km (0.077 R)
• M10: 6,686,576 km (0.101 R)
• M11: 12,166,196 km (0.109 R)
• M12: 13,695,087 km (0.079 R)
• M13: 14,315,768 km (0.112 R)
• M14: 14,505,608 km (0.099 R)
• M15: 17,775,817 km (0.052 R)
• M16: 19,349,138 km (0.1 R)
• M17: 24,351,990 km (0.063 R)
• M18: 25,261,844 km (0.119 R)
• M19: 27,929,474 km (0.084 R)
• M20: 34,492,183 km (0.035 R)
• M21: 38,249,782 km (0.099 R)
• M22: 44,517,933 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 12,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit