🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.51 AU - 0.85 AU

Year: 211 Days

Day: 47.9 Hours

Environment

Temp: 111 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,786,761 km

• M1: 75,996 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.86 AU - 0.92 AU

Year: 316 Days

Day: 46.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.06 AU - 1.62 AU

Year: 584 Days

Day: 39.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,786,761 km

• M1: 55,052 km (0.097 R)
• M2: 611,855 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.47 AU - 1.53 AU

Year: 692 Days

Day: 12.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,786,761 km

• M1: 169,046 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.38 AU - 1.82 AU

Year: 762 Days

Day: 21.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,786,761 km

• M1: 64,776 km (0.059 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.39 AU - 2.07 AU

Year: 857 Days

Day: 39.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,786,761 km

• M1: 166,054 km (0.04 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.54 AU - 2.2 AU

Year: 963 Days

Day: 32.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 178.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.4

Radius: 9.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 10.32 AU - 13.18 AU

Year: 15173 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 49,786,761 km

• M1: 187,147 km (0.073 R)
• M2: 475,272 km (0.068 R)
• M3: 595,998 km (0.091 R)
• M4: 1,002,605 km (0.057 R)
• M5: 1,203,814 km (0.095 R)
• M6: 1,309,430 km (0.111 R)
• M7: 1,418,337 km (0.049 R)
• M8: 1,909,168 km (0.117 R)
• M9: 2,238,283 km (0.097 R)
• M10: 2,343,151 km (0.051 R)
• M11: 2,423,037 km (0.057 R)
• M12: 2,751,404 km (0.096 R)
• M13: 3,241,038 km (0.114 R)
• M14: 3,633,732 km (0.102 R)
• M15: 3,820,281 km (0.077 R)
• M16: 4,597,442 km (0.101 R)
• M17: 4,969,791 km (0.094 R)
• M18: 5,316,858 km (0.082 R)
• M19: 5,457,779 km (0.099 R)
• M20: 5,779,714 km (0.105 R)
• M21: 6,255,585 km (0.113 R)
• M22: 6,517,231 km (0.055 R)
• M23: 6,820,466 km (0.1 R)
• M24: 7,362,310 km (0.117 R)
• M25: 7,480,342 km (0.083 R)
• M26: 7,638,617 km (0.088 R)
• M27: 7,718,053 km (0.106 R)
• M28: 8,860,532 km (0.09 R)
• M29: 10,186,119 km (0.078 R)
• M30: 10,405,579 km (0.058 R)
• M31: 11,709,923 km (0.052 R)
• M32: 12,078,682 km (0.1 R)
• M33: 13,112,702 km (0.056 R)
• M34: 13,399,481 km (0.101 R)
• M35: 13,785,294 km (0.049 R)
• M36: 14,077,010 km (0.092 R)
• M37: 14,223,766 km (0.12 R)
• M38: 14,815,276 km (0.077 R)
• M39: 16,689,737 km (0.025 R)
• M40: 16,793,259 km (0.088 R)
• M41: 17,209,141 km (0.081 R)
• M42: 17,733,780 km (0.097 R)
• M43: 18,960,333 km (0.096 R)
• M44: 19,884,549 km (0.117 R)
• M45: 21,046,326 km (0.118 R)
• M46: 21,720,115 km (0.049 R)
• M47: 21,833,061 km (0.06 R)
• M48: 22,002,855 km (0.055 R)
• M49: 23,146,381 km (0.116 R)
• M50: 24,720,450 km (0.037 R)
• M51: 25,015,756 km (0.12 R)
• M52: 25,729,338 km (0.066 R)
• M53: 26,148,661 km (0.103 R)
• M54: 26,570,227 km (0.081 R)
• M55: 29,146,452 km (0.099 R)
• M56: 29,646,109 km (0.114 R)
• M57: 30,527,390 km (0.077 R)
• M58: 31,034,826 km (0.117 R)
• M59: 31,417,198 km (0.108 R)
• M60: 31,673,160 km (0.028 R)
• M61: 31,993,898 km (0.111 R)
• M62: 34,532,424 km (0.089 R)
• M63: 35,260,069 km (0.111 R)
• M64: 36,730,616 km (0.062 R)
• M65: 37,270,215 km (0.101 R)
• M66: 37,405,601 km (0.072 R)
• M67: 37,676,822 km (0.094 R)
• M68: 37,880,574 km (0.067 R)
• M69: 38,357,492 km (0.029 R)
• M70: 39,317,312 km (0.106 R)
• M71: 39,593,021 km (0.11 R)
• M72: 39,869,478 km (0.052 R)
• M73: 40,077,120 km (0.096 R)
• M74: 41,260,738 km (0.104 R)
• M75: 41,751,419 km (0.075 R)
• M76: 42,597,246 km (0.108 R)
• M77: 43,022,253 km (0.103 R)
• M78: 43,377,399 km (0.072 R)
• M79: 44,305,504 km (0.105 R)
• M80: 45,168,085 km (0.094 R)
• M81: 45,312,447 km (0.089 R)
• M82: 45,746,281 km (0.107 R)
• M83: 46,036,202 km (0.099 R)
• M84: 46,181,461 km (0.106 R)
• M85: 46,982,857 km (0.095 R)
• M86: 48,083,149 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 19,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit