🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 139 Days

Day: 24.9 Hours

Environment

Temp: 269 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.54 AU - 0.56 AU

Year: 143 Days

Day: 36.6 Hours

Environment

Temp: 234 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.16 AU - 1.22 AU

Year: 456 Days

Day: 24.1 Hours

Environment

Temp: 39 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.4 AU - 3.02 AU

Year: 1568 Days

Day: 12.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.96 AU - 3.52 AU

Year: 2050 Days

Day: 37.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,071,347 km

• M1: 778,807 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.29 AU - 3.71 AU

Year: 2301 Days

Day: 39.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 165.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.48 AU - 4.88 AU

Year: 3558 Days

Day: 27.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,071,347 km

• M1: 227,538 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 10.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.87 AU - 9.67 AU

Year: 7612 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 46,071,347 km

• M1: 139,425 km (0.086 R)
• M2: 221,405 km (0.027 R)
• M3: 576,251 km (0.107 R)
• M4: 706,401 km (0.08 R)
• M5: 1,049,728 km (0.072 R)
• M6: 1,198,429 km (0.058 R)
• M7: 1,311,225 km (0.079 R)
• M8: 1,655,450 km (0.108 R)
• M9: 1,766,003 km (0.113 R)
• M10: 1,862,643 km (0.082 R)
• M11: 1,961,228 km (0.087 R)
• M12: 2,198,191 km (0.081 R)
• M13: 2,320,113 km (0.12 R)
• M14: 2,570,989 km (0.12 R)
• M15: 2,737,043 km (0.081 R)
• M16: 2,963,833 km (0.075 R)
• M17: 3,040,876 km (0.116 R)
• M18: 3,660,660 km (0.066 R)
• M19: 4,718,018 km (0.057 R)
• M20: 4,830,964 km (0.037 R)
• M21: 5,036,661 km (0.084 R)
• M22: 5,338,849 km (0.119 R)
• M23: 5,599,149 km (0.068 R)
• M24: 5,670,956 km (0.112 R)
• M25: 6,355,366 km (0.115 R)
• M26: 6,480,281 km (0.106 R)
• M27: 6,707,370 km (0.086 R)
• M28: 6,937,003 km (0.042 R)
• M29: 7,273,448 km (0.077 R)
• M30: 7,801,379 km (0.081 R)
• M31: 8,205,443 km (0.099 R)
• M32: 8,644,064 km (0.077 R)
• M33: 8,866,217 km (0.073 R)
• M34: 9,146,713 km (0.059 R)
• M35: 10,150,964 km (0.119 R)
• M36: 10,681,138 km (0.109 R)
• M37: 11,069,644 km (0.079 R)
• M38: 11,860,418 km (0.076 R)
• M39: 12,076,438 km (0.056 R)
• M40: 12,387,452 km (0.051 R)
• M41: 12,481,250 km (0.052 R)
• M42: 12,953,680 km (0.075 R)
• M43: 14,307,690 km (0.062 R)
• M44: 14,471,948 km (0.11 R)
• M45: 14,901,743 km (0.063 R)
• M46: 15,068,246 km (0.071 R)
• M47: 15,977,651 km (0.059 R)
• M48: 17,743,654 km (0.097 R)
• M49: 18,061,699 km (0.072 R)
• M50: 19,389,081 km (0.115 R)
• M51: 19,461,785 km (0.108 R)
• M52: 19,570,842 km (0.112 R)
• M53: 20,082,766 km (0.119 R)
• M54: 20,340,523 km (0.106 R)
• M55: 20,896,279 km (0.094 R)
• M56: 21,157,328 km (0.052 R)
• M57: 21,947,204 km (0.072 R)
• M58: 22,250,589 km (0.071 R)
• M59: 22,593,617 km (0.112 R)
• M60: 23,207,716 km (0.069 R)
• M61: 23,284,759 km (0.067 R)
• M62: 23,866,246 km (0.036 R)
• M63: 24,178,157 km (0.084 R)
• M64: 24,727,481 km (0.093 R)
• M65: 26,198,925 km (0.097 R)
• M66: 26,722,668 km (0.117 R)
• M67: 26,843,992 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 13.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 11.3 AU - 11.44 AU

Year: 13475 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 71 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 46,071,347 km

• M1: 360,381 km (0.091 R)
• M2: 507,885 km (0.061 R)
• M3: 696,528 km (0.084 R)
• M4: 893,698 km (0.111 R)
• M5: 999,912 km (0.114 R)
• M6: 1,110,764 km (0.072 R)
• M7: 2,394,464 km (0.074 R)
• M8: 2,676,306 km (0.111 R)
• M9: 3,328,852 km (0.053 R)
• M10: 3,644,204 km (0.091 R)
• M11: 4,242,895 km (0.115 R)
• M12: 4,553,909 km (0.099 R)
• M13: 5,231,288 km (0.113 R)
• M14: 5,330,621 km (0.103 R)
• M15: 5,700,427 km (0.104 R)
• M16: 5,940,232 km (0.115 R)
• M17: 6,323,801 km (0.115 R)
• M18: 6,969,017 km (0.086 R)
• M19: 7,522,828 km (0.115 R)
• M20: 8,438,367 km (0.104 R)
• M21: 8,869,807 km (0.111 R)
• M22: 9,068,324 km (0.099 R)
• M23: 9,188,152 km (0.096 R)
• M24: 9,632,009 km (0.076 R)
• M25: 9,754,380 km (0.048 R)
• M26: 9,959,329 km (0.079 R)
• M27: 10,835,823 km (0.101 R)
• M28: 11,390,980 km (0.111 R)
• M29: 11,867,898 km (0.117 R)
• M30: 12,439,961 km (0.058 R)
• M31: 13,156,385 km (0.093 R)
• M32: 13,428,653 km (0.076 R)
• M33: 13,565,385 km (0.029 R)
• M34: 14,676,449 km (0.075 R)
• M35: 14,817,370 km (0.08 R)
• M36: 14,911,467 km (0.086 R)
• M37: 15,147,981 km (0.111 R)
• M38: 15,433,264 km (0.031 R)
• M39: 15,768,364 km (0.11 R)
• M40: 16,348,504 km (0.094 R)
• M41: 16,886,458 km (0.056 R)
• M42: 18,332,621 km (0.091 R)
• M43: 18,535,176 km (0.072 R)
• M44: 18,891,518 km (0.107 R)
• M45: 19,610,934 km (0.1 R)
• M46: 20,601,572 km (0.104 R)
• M47: 21,182,610 km (0.084 R)
• M48: 21,342,081 km (0.11 R)
• M49: 21,448,595 km (0.11 R)
• M50: 21,555,258 km (0.052 R)
• M51: 21,983,706 km (0.06 R)
• M52: 23,505,416 km (0.097 R)
• M53: 23,615,370 km (0.104 R)
• M54: 24,836,687 km (0.079 R)
• M55: 25,681,167 km (0.114 R)
• M56: 26,534,922 km (0.108 R)
• M57: 26,879,147 km (0.053 R)
• M58: 26,994,188 km (0.069 R)
• M59: 28,857,280 km (0.062 R)
• M60: 29,626,063 km (0.11 R)
• M61: 30,281,751 km (0.117 R)
• M62: 30,401,429 km (0.072 R)
• M63: 30,821,799 km (0.093 R)
• M64: 34,004,045 km (0.064 R)
• M65: 34,190,743 km (0.104 R)
• M66: 35,823,753 km (0.101 R)
• M67: 36,522,226 km (0.097 R)
• M68: 37,289,364 km (0.072 R)
• M69: 38,320,392 km (0.084 R)
• M70: 38,644,571 km (0.063 R)
• M71: 39,491,594 km (0.113 R)
• M72: 39,819,064 km (0.112 R)
• M73: 40,015,934 km (0.07 R)
• M74: 41,602,719 km (0.111 R)
• M75: 44,156,953 km (0.113 R)
• M76: 44,292,788 km (0.11 R)
• M77: 44,428,772 km (0.055 R)
• M78: 44,632,974 km (0.09 R)
• M79: 45,042,423 km (0.09 R)
• M80: 45,796,247 km (0.043 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 14,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit