🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.5 AU - 0.78 AU

Year: 193 Days

Day: 18.3 Hours

Environment

Temp: 200 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.7 AU - 1.1 AU

Year: 322 Days

Day: 23.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.25 AU

Year: 377 Days

Day: 47.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,826,902 km

• M1: 98,136 km (0.09 R)

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 12.1

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.73 AU - 6.03 AU

Year: 4061 Days

Day: 10.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,826,902 km

• M1: 150,495 km (0.105 R)
• M2: 623,075 km (0.089 R)
• M3: 1,001,259 km (0.053 R)
• M4: 1,695,542 km (0.113 R)
• M5: 2,443,232 km (0.082 R)
• M6: 2,866,744 km (0.03 R)
• M7: 3,379,565 km (0.083 R)
• M8: 4,228,533 km (0.057 R)
• M9: 5,187,456 km (0.102 R)
• M10: 6,379,152 km (0.061 R)
• M11: 7,056,232 km (0.037 R)
• M12: 10,297,869 km (0.077 R)
• M13: 10,913,613 km (0.105 R)
• M14: 12,659,570 km (0.074 R)
• M15: 14,046,492 km (0.053 R)
• M16: 15,081,410 km (0.057 R)
• M17: 15,589,145 km (0.109 R)
• M18: 17,241,903 km (0.11 R)
• M19: 17,734,828 km (0.109 R)
• M20: 21,595,350 km (0.095 R)
• M21: 23,195,898 km (0.077 R)
• M22: 23,948,974 km (0.069 R)
• M23: 24,485,731 km (0.076 R)
• M24: 27,290,990 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.3

Radius: 6.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 10.85 AU - 17.79 AU

Year: 20415 Days

Day: 25 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,826,902 km

• M1: 87,216 km (0.082 R)
• M2: 2,073,426 km (0.077 R)
• M3: 3,532,455 km (0.104 R)
• M4: 5,231,737 km (0.103 R)
• M5: 6,760,178 km (0.108 R)
• M6: 8,989,486 km (0.102 R)
• M7: 9,477,773 km (0.079 R)
• M8: 10,668,123 km (0.101 R)
• M9: 13,093,254 km (0.108 R)
• M10: 19,561,118 km (0.115 R)
• M11: 23,247,210 km (0.11 R)
• M12: 25,109,404 km (0.097 R)
• M13: 25,979,017 km (0.093 R)
• M14: 38,537,758 km (0.119 R)
• M15: 42,075,299 km (0.106 R)
• M16: 43,576,513 km (0.115 R)
• M17: 48,887,836 km (0.074 R)

Asteroid Belt

Center: 14.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.6

Radius: 7.3

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 13.18 AU - 17.98 AU

Year: 23167 Days

Day: 23.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,826,902 km

• M1: 133,142 km (0.109 R)
• M2: 476,619 km (0.062 R)
• M3: 956,379 km (0.081 R)
• M4: 1,800,261 km (0.082 R)
• M5: 4,131,594 km (0.089 R)
• M6: 4,992,231 km (0.115 R)
• M7: 6,684,182 km (0.094 R)
• M8: 12,950,239 km (0.117 R)
• M9: 14,694,700 km (0.098 R)
• M10: 17,910,605 km (0.066 R)
• M11: 18,183,023 km (0.092 R)
• M12: 19,299,771 km (0.064 R)
• M13: 23,569,444 km (0.055 R)
• M14: 25,577,646 km (0.108 R)
• M15: 27,818,322 km (0.086 R)
• M16: 28,306,311 km (0.077 R)
• M17: 31,222,871 km (0.12 R)
• M18: 32,148,882 km (0.072 R)
• M19: 53,585,808 km (0.097 R)
• M20: 61,460,340 km (0.072 R)
• M21: 68,068,228 km (0.039 R)
• M22: 73,963,132 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 3

Gravity: 67.16 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 15.72 AU - 19.44 AU

Year: 27769 Days

Day: 20.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,826,902 km

• M1: 43,084 km (0.1 R)
• M2: 423,362 km (0.056 R)
• M3: 842,535 km (0.056 R)
• M4: 1,071,420 km (0.119 R)
• M5: 4,598,938 km (0.097 R)
• M6: 5,019,158 km (0.071 R)
• M7: 5,979,576 km (0.118 R)
• M8: 10,077,960 km (0.081 R)
• M9: 11,386,044 km (0.059 R)
• M10: 21,258,905 km (0.106 R)
• M11: 21,779,804 km (0.089 R)
• M12: 22,847,185 km (0.094 R)
• M13: 23,064,850 km (0.117 R)
• M14: 25,433,583 km (0.052 R)
• M15: 28,837,084 km (0.099 R)
• M16: 29,733,026 km (0.085 R)
• M17: 38,800,601 km (0.108 R)
• M18: 43,955,594 km (0.025 R)
• M19: 63,610,660 km (0.111 R)
• M20: 66,002,581 km (0.116 R)
• M21: 70,734,062 km (0.116 R)
• M22: 75,686,649 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 19,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit