🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.5 AU - 0.6 AU

Year: 146 Days

Day: 32.2 Hours

Environment

Temp: 231 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.8 AU

Year: 196 Days

Day: 42.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 159.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.66 AU - 0.98 AU

Year: 266 Days

Day: 38.3 Hours

Environment

Temp: 112 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,302,102 km

• M1: 62,981 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.84 AU - 1.3 AU

Year: 396 Days

Day: 20.1 Hours

Environment

Temp: 39 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.02 AU - 1.14 AU

Year: 402 Days

Day: 44.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.38 AU - 2.2 AU

Year: 858 Days

Day: 44.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,302,102 km

• M1: 324,478 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 11

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.88 AU - 7.58 AU

Year: 6253 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,302,102 km

• M1: 259,552 km (0.115 R)
• M2: 404,363 km (0.089 R)
• M3: 529,427 km (0.072 R)
• M4: 734,526 km (0.1 R)
• M5: 893,698 km (0.115 R)
• M6: 1,057,059 km (0.073 R)
• M7: 1,492,239 km (0.103 R)
• M8: 1,874,761 km (0.087 R)
• M9: 1,999,376 km (0.081 R)
• M10: 2,267,305 km (0.108 R)
• M11: 2,400,597 km (0.119 R)
• M12: 2,589,539 km (0.117 R)
• M13: 2,707,422 km (0.117 R)
• M14: 2,948,574 km (0.113 R)
• M15: 3,151,279 km (0.091 R)
• M16: 3,594,238 km (0.119 R)
• M17: 4,094,494 km (0.077 R)
• M18: 4,282,987 km (0.026 R)
• M19: 4,694,830 km (0.07 R)
• M20: 6,220,429 km (0.099 R)
• M21: 6,569,142 km (0.068 R)
• M22: 6,775,437 km (0.099 R)
• M23: 7,119,213 km (0.102 R)
• M24: 7,684,244 km (0.098 R)
• M25: 7,917,318 km (0.101 R)
• M26: 7,995,557 km (0.092 R)
• M27: 8,566,572 km (0.115 R)
• M28: 9,364,976 km (0.113 R)
• M29: 9,514,275 km (0.041 R)
• M30: 9,949,904 km (0.084 R)
• M31: 10,187,166 km (0.075 R)
• M32: 10,945,029 km (0.077 R)
• M33: 11,472,212 km (0.11 R)
• M34: 11,738,945 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 13.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.6 AU - 12.48 AU

Year: 12256 Days

Day: 12.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 55,302,102 km

• M1: 208,539 km (0.085 R)
• M2: 313,557 km (0.066 R)
• M3: 470,037 km (0.111 R)
• M4: 626,815 km (0.052 R)
• M5: 860,936 km (0.105 R)
• M6: 959,222 km (0.032 R)
• M7: 1,324,240 km (0.036 R)
• M8: 1,783,506 km (0.091 R)
• M9: 1,886,429 km (0.066 R)
• M10: 2,045,003 km (0.068 R)
• M11: 2,153,162 km (0.03 R)
• M12: 2,403,888 km (0.067 R)
• M13: 2,576,524 km (0.09 R)
• M14: 3,598,876 km (0.033 R)
• M15: 3,965,540 km (0.069 R)
• M16: 4,067,716 km (0.092 R)
• M17: 5,100,390 km (0.055 R)
• M18: 5,286,490 km (0.096 R)
• M19: 5,819,507 km (0.102 R)
• M20: 6,449,912 km (0.096 R)
• M21: 6,570,488 km (0.092 R)
• M22: 6,691,962 km (0.088 R)
• M23: 7,019,431 km (0.072 R)
• M24: 7,436,211 km (0.097 R)
• M25: 7,775,499 km (0.101 R)
• M26: 8,513,465 km (0.109 R)
• M27: 9,593,113 km (0.034 R)
• M28: 9,823,643 km (0.086 R)
• M29: 10,009,294 km (0.031 R)
• M30: 10,668,273 km (0.108 R)
• M31: 12,127,451 km (0.049 R)
• M32: 12,276,899 km (0.049 R)
• M33: 13,339,642 km (0.043 R)
• M34: 14,326,539 km (0.109 R)
• M35: 14,537,323 km (0.117 R)
• M36: 14,643,088 km (0.118 R)
• M37: 15,444,634 km (0.108 R)
• M38: 16,096,132 km (0.114 R)
• M39: 16,370,196 km (0.101 R)
• M40: 16,812,108 km (0.111 R)
• M41: 17,034,410 km (0.06 R)
• M42: 18,275,175 km (0.072 R)
• M43: 18,389,318 km (0.066 R)
• M44: 18,848,584 km (0.094 R)
• M45: 19,079,712 km (0.114 R)
• M46: 19,954,710 km (0.111 R)
• M47: 21,442,012 km (0.073 R)
• M48: 21,925,363 km (0.075 R)
• M49: 22,351,418 km (0.11 R)
• M50: 24,459,252 km (0.042 R)
• M51: 24,585,213 km (0.12 R)
• M52: 25,281,891 km (0.109 R)
• M53: 25,472,927 km (0.048 R)
• M54: 28,728,625 km (0.119 R)
• M55: 28,994,760 km (0.091 R)
• M56: 29,730,632 km (0.092 R)
• M57: 30,269,783 km (0.082 R)
• M58: 30,405,019 km (0.088 R)
• M59: 30,676,240 km (0.065 R)
• M60: 31,221,076 km (0.036 R)
• M61: 33,781,892 km (0.089 R)
• M62: 33,992,526 km (0.116 R)
• M63: 34,344,530 km (0.074 R)
• M64: 35,693,005 km (0.1 R)
• M65: 36,914,172 km (0.079 R)
• M66: 37,566,120 km (0.046 R)
• M67: 37,784,383 km (0.092 R)
• M68: 38,588,023 km (0.114 R)
• M69: 38,955,286 km (0.106 R)
• M70: 39,989,456 km (0.12 R)
• M71: 40,286,707 km (0.093 R)
• M72: 40,584,556 km (0.075 R)
• M73: 40,808,504 km (0.1 R)
• M74: 41,482,592 km (0.089 R)
• M75: 43,070,125 km (0.038 R)
• M76: 43,832,924 km (0.043 R)
• M77: 44,139,450 km (0.112 R)
• M78: 44,677,404 km (0.068 R)
• M79: 46,148,400 km (0.1 R)
• M80: 46,382,072 km (0.093 R)
• M81: 48,740,931 km (0.111 R)
• M82: 49,137,964 km (0.113 R)
• M83: 51,380,585 km (0.098 R)
• M84: 54,394,983 km (0.088 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 19,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit