🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.57 AU - 0.83 AU

Year: 216 Days

Day: 42.4 Hours

Environment

Temp: 181 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,620,934 km

• M1: 43,683 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.81 AU - 0.97 AU

Year: 310 Days

Day: 46.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.87 AU - 1.11 AU

Year: 363 Days

Day: 39.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,620,934 km

• M1: 34,108 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.84 AU - 1.18 AU

Year: 375 Days

Day: 14.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.08 AU - 2.36 AU

Year: 1220 Days

Day: 25.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,620,934 km

• M1: 2,030,342 km (0.12 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.7

Radius: 14.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.72 AU - 8.12 AU

Year: 8224 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,620,934 km

• M1: 175,329 km (0.035 R)
• M2: 810,072 km (0.118 R)
• M3: 1,324,988 km (0.05 R)
• M4: 2,030,342 km (0.09 R)
• M5: 2,536,881 km (0.085 R)
• M6: 4,620,031 km (0.073 R)
• M7: 5,379,539 km (0.096 R)
• M8: 6,150,716 km (0.086 R)
• M9: 6,692,560 km (0.11 R)
• M10: 7,344,956 km (0.094 R)
• M11: 8,958,070 km (0.04 R)
• M12: 9,945,266 km (0.033 R)
• M13: 11,108,390 km (0.114 R)
• M14: 12,024,976 km (0.106 R)
• M15: 12,701,906 km (0.056 R)
• M16: 16,203,245 km (0.09 R)
• M17: 16,820,485 km (0.105 R)
• M18: 18,617,754 km (0.113 R)
• M19: 21,101,228 km (0.103 R)
• M20: 22,591,522 km (0.074 R)
• M21: 23,362,400 km (0.114 R)
• M22: 24,328,503 km (0.088 R)
• M23: 25,596,196 km (0.118 R)
• M24: 28,460,696 km (0.074 R)
• M25: 34,144,517 km (0.038 R)
• M26: 41,426,642 km (0.081 R)
• M27: 44,555,183 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 12.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.81 AU - 10.27 AU

Year: 10028 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,620,934 km

• M1: 155,881 km (0.042 R)
• M2: 813,214 km (0.053 R)
• M3: 1,288,187 km (0.045 R)
• M4: 1,848,132 km (0.106 R)
• M5: 2,382,795 km (0.112 R)
• M6: 3,644,952 km (0.097 R)
• M7: 4,564,381 km (0.073 R)
• M8: 5,003,450 km (0.065 R)
• M9: 6,081,153 km (0.118 R)
• M10: 6,767,658 km (0.112 R)
• M11: 7,275,244 km (0.118 R)
• M12: 7,876,627 km (0.036 R)
• M13: 9,565,288 km (0.078 R)
• M14: 11,003,223 km (0.114 R)
• M15: 11,796,690 km (0.11 R)
• M16: 12,961,459 km (0.08 R)
• M17: 15,356,969 km (0.045 R)
• M18: 17,032,166 km (0.035 R)
• M19: 18,457,535 km (0.112 R)
• M20: 19,136,859 km (0.117 R)
• M21: 21,477,318 km (0.103 R)
• M22: 22,856,909 km (0.087 R)
• M23: 23,496,739 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 6.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 13.03 AU - 14.09 AU

Year: 18423 Days

Day: 24.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,620,934 km

• M1: 80,783 km (0.104 R)
• M2: 350,807 km (0.111 R)
• M3: 987,196 km (0.07 R)
• M4: 1,477,279 km (0.101 R)
• M5: 2,050,089 km (0.07 R)
• M6: 2,782,221 km (0.042 R)
• M7: 4,992,380 km (0.042 R)
• M8: 5,773,281 km (0.112 R)
• M9: 6,121,844 km (0.112 R)
• M10: 7,371,884 km (0.099 R)
• M11: 8,207,687 km (0.088 R)
• M12: 12,878,133 km (0.066 R)
• M13: 17,007,932 km (0.099 R)
• M14: 18,609,676 km (0.049 R)
• M15: 21,443,508 km (0.115 R)
• M16: 24,372,485 km (0.113 R)
• M17: 27,169,217 km (0.092 R)
• M18: 28,146,989 km (0.102 R)
• M19: 30,693,893 km (0.065 R)
• M20: 31,433,654 km (0.09 R)
• M21: 34,285,588 km (0.119 R)
• M22: 39,125,827 km (0.094 R)
• M23: 40,120,503 km (0.081 R)
• M24: 42,942,817 km (0.084 R)
• M25: 43,734,937 km (0.042 R)
• M26: 45,348,201 km (0.086 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: 479 - 10,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit