🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.59 AU - 0.83 AU

Year: 224 Days

Day: 20.5 Hours

Environment

Temp: 111 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.97 AU - 1.25 AU

Year: 438 Days

Day: 31.2 Hours

Environment

Temp: 0 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.94 AU - 1.5 AU

Year: 505 Days

Day: 22.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.2 AU - 1.46 AU

Year: 575 Days

Day: 40.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.73 AU - 3.47 AU

Year: 2045 Days

Day: 26.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 12.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.4 AU - 5.7 AU

Year: 4900 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,700,071 km

• M1: 260,001 km (0.074 R)
• M2: 645,365 km (0.047 R)
• M3: 886,218 km (0.113 R)
• M4: 1,102,387 km (0.064 R)
• M5: 1,378,694 km (0.057 R)
• M6: 1,863,541 km (0.036 R)
• M7: 2,389,228 km (0.092 R)
• M8: 2,631,576 km (0.103 R)
• M9: 2,728,665 km (0.042 R)
• M10: 2,982,383 km (0.084 R)
• M11: 3,360,118 km (0.111 R)
• M12: 3,442,247 km (0.095 R)
• M13: 3,716,909 km (0.104 R)
• M14: 3,801,880 km (0.065 R)
• M15: 3,887,600 km (0.096 R)
• M16: 3,974,067 km (0.099 R)
• M17: 4,899,629 km (0.063 R)
• M18: 5,400,782 km (0.052 R)
• M19: 5,483,660 km (0.079 R)
• M20: 5,692,648 km (0.086 R)
• M21: 5,805,145 km (0.114 R)
• M22: 6,104,192 km (0.104 R)
• M23: 6,233,893 km (0.088 R)
• M24: 7,031,399 km (0.112 R)
• M25: 7,137,165 km (0.111 R)
• M26: 7,955,166 km (0.098 R)
• M27: 8,065,420 km (0.086 R)
• M28: 8,176,272 km (0.097 R)
• M29: 8,367,308 km (0.107 R)
• M30: 8,673,086 km (0.072 R)
• M31: 9,278,808 km (0.11 R)
• M32: 9,378,440 km (0.084 R)
• M33: 9,898,442 km (0.077 R)
• M34: 10,359,054 km (0.09 R)
• M35: 10,879,056 km (0.092 R)
• M36: 11,036,733 km (0.066 R)
• M37: 11,160,001 km (0.056 R)
• M38: 11,354,478 km (0.08 R)
• M39: 11,478,794 km (0.109 R)
• M40: 11,567,955 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406

Radius: 5.6

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 16.58 AU - 19.66 AU

Year: 28905 Days

Day: 21.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 81,700,071 km

• M1: 431,739 km (0.09 R)
• M2: 627,264 km (0.108 R)
• M3: 901,477 km (0.061 R)
• M4: 1,239,418 km (0.112 R)
• M5: 1,882,240 km (0.091 R)
• M6: 2,164,382 km (0.09 R)
• M7: 2,384,740 km (0.106 R)
• M8: 2,573,981 km (0.049 R)
• M9: 2,651,024 km (0.051 R)
• M10: 2,886,790 km (0.1 R)
• M11: 3,211,717 km (0.095 R)
• M12: 3,294,744 km (0.117 R)
• M13: 3,378,518 km (0.084 R)
• M14: 3,720,649 km (0.088 R)
• M15: 3,984,539 km (0.086 R)
• M16: 6,670,719 km (0.106 R)
• M17: 7,153,022 km (0.088 R)
• M18: 7,207,177 km (0.106 R)
• M19: 7,370,837 km (0.106 R)
• M20: 7,813,347 km (0.099 R)
• M21: 8,321,382 km (0.094 R)
• M22: 8,378,378 km (0.117 R)
• M23: 8,665,905 km (0.111 R)
• M24: 10,090,376 km (0.088 R)
• M25: 11,585,757 km (0.101 R)
• M26: 12,883,817 km (0.109 R)
• M27: 13,016,212 km (0.101 R)
• M28: 13,148,905 km (0.076 R)
• M29: 13,684,615 km (0.073 R)
• M30: 13,752,083 km (0.118 R)
• M31: 14,501,419 km (0.098 R)
• M32: 16,039,285 km (0.034 R)
• M33: 16,539,541 km (0.116 R)
• M34: 18,218,627 km (0.085 R)
• M35: 18,590,677 km (0.053 R)
• M36: 18,890,322 km (0.098 R)
• M37: 20,875,784 km (0.105 R)
• M38: 22,130,163 km (0.066 R)
• M39: 23,006,657 km (0.093 R)
• M40: 24,138,664 km (0.064 R)
• M41: 24,465,385 km (0.106 R)
• M42: 24,875,882 km (0.052 R)
• M43: 25,620,431 km (0.051 R)
• M44: 25,870,259 km (0.116 R)
• M45: 25,953,585 km (0.092 R)
• M46: 26,037,210 km (0.07 R)
• M47: 26,456,234 km (0.077 R)
• M48: 28,240,488 km (0.061 R)
• M49: 29,277,350 km (0.079 R)
• M50: 29,975,524 km (0.103 R)
• M51: 32,552,048 km (0.103 R)
• M52: 34,737,374 km (0.117 R)
• M53: 35,754,639 km (0.065 R)
• M54: 36,500,684 km (0.085 R)
• M55: 36,687,980 km (0.101 R)
• M56: 37,629,250 km (0.087 R)
• M57: 37,913,187 km (0.12 R)
• M58: 38,673,892 km (0.064 R)
• M59: 39,151,857 km (0.12 R)
• M60: 39,343,642 km (0.049 R)
• M61: 41,083,166 km (0.084 R)
• M62: 41,375,629 km (0.047 R)
• M63: 42,946,557 km (0.09 R)
• M64: 44,637,013 km (0.12 R)
• M65: 45,742,391 km (0.082 R)
• M66: 45,944,348 km (0.095 R)
• M67: 47,570,477 km (0.116 R)
• M68: 48,287,799 km (0.108 R)
• M69: 49,112,083 km (0.118 R)
• M70: 50,148,946 km (0.066 R)
• M71: 50,774,415 km (0.084 R)
• M72: 52,984,125 km (0.072 R)
• M73: 53,090,190 km (0.107 R)
• M74: 53,302,320 km (0.083 R)
• M75: 53,514,898 km (0.118 R)
• M76: 55,332,512 km (0.086 R)
• M77: 57,387,838 km (0.108 R)
• M78: 57,496,745 km (0.072 R)
• M79: 60,351,222 km (0.101 R)
• M80: 61,016,633 km (0.099 R)
• M81: 61,461,388 km (0.078 R)
• M82: 62,130,688 km (0.08 R)
• M83: 62,354,337 km (0.112 R)
• M84: 63,364,123 km (0.119 R)
• M85: 64,266,198 km (0.069 R)
• M86: 65,286,007 km (0.091 R)
• M87: 65,399,701 km (0.114 R)
• M88: 66,425,494 km (0.115 R)
• M89: 72,691,101 km (0.1 R)
• M90: 73,044,601 km (0.116 R)
• M91: 73,753,545 km (0.082 R)
• M92: 74,702,146 km (0.097 R)
• M93: 81,455,293 km (0.064 R)
• M94: 81,700,035 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 19,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit