🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.51 AU - 0.53 AU

Year: 133 Days

Day: 19.6 Hours

Environment

Temp: 217 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.9 AU - 1.46 AU

Year: 455 Days

Day: 45.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.28 AU - 2.28 AU

Year: 1221 Days

Day: 45.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.82 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.1

Radius: 14

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.63 AU - 6.09 AU

Year: 4402 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 116,750,288 km

• M1: 174,132 km (0.082 R)
• M2: 819,946 km (0.1 R)
• M3: 1,491,491 km (0.084 R)
• M4: 1,986,959 km (0.099 R)
• M5: 2,949,771 km (0.113 R)
• M6: 5,981,820 km (0.061 R)
• M7: 7,744,233 km (0.09 R)
• M8: 10,631,173 km (0.102 R)
• M9: 11,174,063 km (0.099 R)
• M10: 14,574,872 km (0.114 R)
• M11: 21,311,862 km (0.057 R)
• M12: 22,652,110 km (0.058 R)
• M13: 23,412,964 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 10.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.48 AU - 7.38 AU

Year: 5123 Days

Day: 12.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 116,750,288 km

• M1: 132,245 km (0.09 R)
• M2: 616,343 km (0.11 R)
• M3: 1,158,935 km (0.062 R)
• M4: 1,692,700 km (0.111 R)
• M5: 2,262,967 km (0.053 R)
• M6: 2,867,791 km (0.068 R)
• M7: 3,335,434 km (0.1 R)
• M8: 4,844,278 km (0.092 R)
• M9: 5,290,828 km (0.117 R)
• M10: 5,880,094 km (0.119 R)
• M11: 7,024,667 km (0.086 R)
• M12: 7,426,038 km (0.111 R)
• M13: 7,807,363 km (0.043 R)
• M14: 8,201,853 km (0.115 R)
• M15: 8,647,355 km (0.072 R)
• M16: 9,266,391 km (0.107 R)
• M17: 9,668,211 km (0.112 R)
• M18: 10,723,774 km (0.091 R)
• M19: 11,622,259 km (0.108 R)
• M20: 13,415,638 km (0.113 R)
• M21: 16,295,846 km (0.04 R)
• M22: 17,726,600 km (0.089 R)
• M23: 22,376,251 km (0.079 R)
• M24: 23,542,965 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.6

Radius: 14

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.47 AU - 8.85 AU

Year: 8269 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 116,750,288 km

• M1: 174,880 km (0.114 R)
• M2: 677,828 km (0.086 R)
• M3: 1,472,641 km (0.101 R)
• M4: 1,957,039 km (0.071 R)
• M5: 2,403,739 km (0.073 R)
• M6: 2,981,186 km (0.118 R)
• M7: 3,555,642 km (0.071 R)
• M8: 4,310,214 km (0.07 R)
• M9: 4,754,968 km (0.118 R)
• M10: 5,869,921 km (0.106 R)
• M11: 6,889,431 km (0.12 R)
• M12: 9,508,590 km (0.029 R)
• M13: 10,170,561 km (0.115 R)
• M14: 11,015,639 km (0.074 R)
• M15: 11,853,238 km (0.117 R)
• M16: 13,479,367 km (0.06 R)
• M17: 19,322,959 km (0.104 R)
• M18: 19,849,992 km (0.112 R)
• M19: 21,249,330 km (0.117 R)
• M20: 23,470,410 km (0.03 R)
• M21: 26,574,715 km (0.105 R)
• M22: 36,477,646 km (0.093 R)
• M23: 40,872,382 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.5

Radius: 7

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 17.93 AU - 22.81 AU

Year: 32615 Days

Day: 22.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 116.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 116,750,288 km

• M1: 87,066 km (0.067 R)
• M2: 488,736 km (0.041 R)
• M3: 1,525,150 km (0.108 R)
• M4: 2,357,962 km (0.085 R)
• M5: 2,703,383 km (0.08 R)
• M6: 3,236,999 km (0.109 R)
• M7: 3,562,524 km (0.1 R)
• M8: 5,395,098 km (0.107 R)
• M9: 5,806,791 km (0.083 R)
• M10: 6,590,235 km (0.109 R)
• M11: 7,007,463 km (0.119 R)
• M12: 7,386,694 km (0.079 R)
• M13: 8,546,526 km (0.117 R)
• M14: 11,442,592 km (0.115 R)
• M15: 11,666,240 km (0.077 R)
• M16: 11,892,732 km (0.085 R)
• M17: 12,432,780 km (0.033 R)
• M18: 12,669,144 km (0.09 R)
• M19: 14,757,680 km (0.116 R)
• M20: 19,285,858 km (0.066 R)
• M21: 19,709,370 km (0.114 R)
• M22: 26,960,079 km (0.099 R)
• M23: 32,125,694 km (0.037 R)
• M24: 33,933,135 km (0.067 R)
• M25: 34,861,689 km (0.111 R)
• M26: 35,966,470 km (0.064 R)
• M27: 37,914,234 km (0.12 R)
• M28: 40,102,552 km (0.037 R)
• M29: 40,446,477 km (0.108 R)
• M30: 50,896,188 km (0.037 R)
• M31: 52,112,269 km (0.116 R)
• M32: 59,149,203 km (0.102 R)
• M33: 66,312,547 km (0.115 R)
• M34: 72,494,081 km (0.107 R)
• M35: 82,608,543 km (0.063 R)
• M36: 84,286,881 km (0.1 R)
• M37: 116,400,607 km (0.12 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 15,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit