🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.66 AU - 0.84 AU

Year: 234 Days

Day: 32.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.3 AU - 2 AU

Year: 763 Days

Day: 20.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.88 AU - 2.08 AU

Year: 1003 Days

Day: 33.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,054,321 km

• M1: 326,572 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.83 AU - 2.45 AU

Year: 1127 Days

Day: 44.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,054,321 km

• M1: 1,298,061 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.49 AU - 3.77 AU

Year: 1993 Days

Day: 35 Hours

Environment

Temp: -109 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 10.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.33 AU - 6.25 AU

Year: 4379 Days

Day: 5.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,054,321 km

• M1: 136,583 km (0.061 R)
• M2: 587,172 km (0.09 R)
• M3: 1,090,568 km (0.09 R)
• M4: 1,437,486 km (0.109 R)
• M5: 3,462,892 km (0.102 R)
• M6: 4,161,514 km (0.112 R)
• M7: 6,383,042 km (0.043 R)
• M8: 9,874,507 km (0.096 R)
• M9: 10,342,299 km (0.109 R)
• M10: 10,736,041 km (0.079 R)
• M11: 11,507,068 km (0.043 R)
• M12: 12,608,408 km (0.099 R)
• M13: 13,007,535 km (0.081 R)
• M14: 14,363,340 km (0.077 R)
• M15: 15,582,413 km (0.11 R)
• M16: 16,929,243 km (0.105 R)
• M17: 19,586,550 km (0.103 R)
• M18: 20,806,072 km (0.051 R)
• M19: 21,434,682 km (0.09 R)
• M20: 24,075,982 km (0.095 R)
• M21: 26,599,698 km (0.105 R)
• M22: 27,257,181 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 13.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.91 AU - 8.07 AU

Year: 5950 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,054,321 km

• M1: 172,935 km (0.059 R)
• M2: 663,915 km (0.12 R)
• M3: 1,225,057 km (0.079 R)
• M4: 2,423,635 km (0.098 R)
• M5: 5,129,262 km (0.113 R)
• M6: 5,628,470 km (0.119 R)
• M7: 6,793,838 km (0.082 R)
• M8: 7,507,868 km (0.05 R)
• M9: 7,998,250 km (0.117 R)
• M10: 9,340,592 km (0.109 R)
• M11: 9,908,914 km (0.104 R)
• M12: 11,163,143 km (0.086 R)
• M13: 12,416,623 km (0.049 R)
• M14: 13,430,598 km (0.119 R)
• M15: 14,269,393 km (0.079 R)
• M16: 16,051,702 km (0.069 R)
• M17: 25,683,411 km (0.114 R)
• M18: 28,492,859 km (0.104 R)
• M19: 29,877,836 km (0.108 R)
• M20: 30,825,688 km (0.109 R)
• M21: 32,483,233 km (0.114 R)
• M22: 34,715,383 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 13.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.98 AU - 9.6 AU

Year: 10190 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,054,321 km

• M1: 173,085 km (0.115 R)
• M2: 621,130 km (0.12 R)
• M3: 1,086,380 km (0.115 R)
• M4: 1,868,178 km (0.073 R)
• M5: 2,448,768 km (0.08 R)
• M6: 4,260,847 km (0.066 R)
• M7: 5,039,354 km (0.11 R)
• M8: 7,252,056 km (0.119 R)
• M9: 7,754,705 km (0.063 R)
• M10: 8,322,130 km (0.092 R)
• M11: 9,862,838 km (0.1 R)
• M12: 10,481,276 km (0.078 R)
• M13: 11,848,301 km (0.105 R)
• M14: 12,383,861 km (0.082 R)
• M15: 14,689,464 km (0.116 R)
• M16: 16,073,094 km (0.107 R)
• M17: 16,730,128 km (0.095 R)
• M18: 17,404,964 km (0.07 R)
• M19: 18,168,063 km (0.075 R)
• M20: 20,287,416 km (0.066 R)
• M21: 24,150,033 km (0.11 R)
• M22: 24,925,249 km (0.054 R)
• M23: 26,074,310 km (0.036 R)
• M24: 30,925,321 km (0.109 R)
• M25: 32,771,957 km (0.105 R)
• M26: 33,722,502 km (0.083 R)
• M27: 35,900,347 km (0.11 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 10,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit