🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.99 AU - 1.43 AU

Year: 464 Days

Day: 28.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 103,346,310 km

• M1: 33,211 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.23 AU - 1.41 AU

Year: 528 Days

Day: 31 Hours

Environment

Temp: 21 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 103,346,310 km

• M1: 47,572 km (0.11 R)
• M2: 115,041 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.59 AU - 2.05 AU

Year: 855 Days

Day: 23.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.09 AU - 5.73 AU

Year: 3789 Days

Day: 32.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683

Radius: 10.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.62 AU - 6 AU

Year: 4877 Days

Day: 13.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 103,346,310 km

• M1: 128,953 km (0.098 R)
• M2: 594,053 km (0.066 R)
• M3: 1,947,615 km (0.086 R)
• M4: 2,609,286 km (0.071 R)
• M5: 3,174,616 km (0.106 R)
• M6: 4,426,302 km (0.109 R)
• M7: 8,893,444 km (0.055 R)
• M8: 10,745,316 km (0.083 R)
• M9: 11,431,671 km (0.112 R)
• M10: 11,953,319 km (0.097 R)
• M11: 12,441,307 km (0.119 R)
• M12: 13,457,226 km (0.1 R)
• M13: 14,803,607 km (0.067 R)
• M14: 15,423,690 km (0.083 R)
• M15: 17,450,143 km (0.045 R)
• M16: 18,527,247 km (0.118 R)
• M17: 19,850,590 km (0.094 R)
• M18: 20,259,591 km (0.101 R)
• M19: 21,520,402 km (0.069 R)
• M20: 23,357,464 km (0.101 R)
• M21: 25,616,541 km (0.074 R)
• M22: 25,939,224 km (0.117 R)
• M23: 29,141,216 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.6

Radius: 10.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.45 AU - 10.63 AU

Year: 10262 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 103,346,310 km

• M1: 154,086 km (0.115 R)
• M2: 672,592 km (0.072 R)
• M3: 1,244,205 km (0.098 R)
• M4: 3,015,594 km (0.119 R)
• M5: 11,590,394 km (0.092 R)
• M6: 12,023,480 km (0.084 R)
• M7: 14,397,748 km (0.078 R)
• M8: 16,225,385 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.8

Radius: 8

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 15.04 AU - 20.86 AU

Year: 26484 Days

Day: 20.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 103,346,310 km

• M1: 99,782 km (0.089 R)
• M2: 434,133 km (0.082 R)
• M3: 876,943 km (0.076 R)
• M4: 1,339,350 km (0.109 R)
• M5: 1,599,351 km (0.101 R)
• M6: 2,777,135 km (0.102 R)
• M7: 3,388,392 km (0.117 R)
• M8: 3,946,392 km (0.088 R)
• M9: 4,376,187 km (0.101 R)
• M10: 4,640,975 km (0.067 R)
• M11: 5,286,938 km (0.086 R)
• M12: 6,224,019 km (0.116 R)
• M13: 6,608,636 km (0.114 R)
• M14: 7,969,527 km (0.067 R)
• M15: 12,622,021 km (0.111 R)
• M16: 14,284,353 km (0.043 R)
• M17: 17,465,252 km (0.108 R)
• M18: 18,524,256 km (0.079 R)
• M19: 19,019,574 km (0.094 R)
• M20: 20,663,804 km (0.083 R)
• M21: 21,957,676 km (0.074 R)
• M22: 23,076,519 km (0.119 R)
• M23: 29,246,085 km (0.051 R)
• M24: 33,576,494 km (0.101 R)
• M25: 41,599,278 km (0.05 R)
• M26: 45,422,401 km (0.066 R)
• M27: 56,818,468 km (0.092 R)
• M28: 63,954,586 km (0.112 R)
• M29: 64,858,157 km (0.114 R)
• M30: 68,322,544 km (0.08 R)
• M31: 72,151,801 km (0.094 R)
• M32: 72,640,238 km (0.094 R)
• M33: 75,366,360 km (0.071 R)
• M34: 77,391,466 km (0.1 R)
• M35: 94,914,164 km (0.099 R)
• M36: 96,680,765 km (0.11 R)
• M37: 97,572,369 km (0.088 R)
• M38: 99,371,732 km (0.08 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 17,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit