🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.76 AU - 1.24 AU

Year: 351 Days

Day: 42.2 Hours

Environment

Temp: 74 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,740,715 km

• M1: 84,373 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.04 AU - 1.3 AU

Year: 445 Days

Day: 15.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 43,740,715 km

• M1: 528,828 km (0.107 R)
• M2: 837,598 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.66 AU - 1.9 AU

Year: 835 Days

Day: 36 Hours

Environment

Temp: -43 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,740,715 km

• M1: 497,862 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.68 AU - 2.64 AU

Year: 1116 Days

Day: 42.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.94 AU - 2.48 AU

Year: 1155 Days

Day: 15.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.52 AU - 2.64 AU

Year: 1456 Days

Day: 14.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.24 AU - 3.12 AU

Year: 1542 Days

Day: 30.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.36 AU - 5.2 AU

Year: 3112 Days

Day: 17.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.1

Radius: 3.1

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 12.4 AU - 15.1 AU

Year: 17920 Days

Day: 21.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 43,740,715 km

• M1: 69,862 km (0.101 R)
• M2: 96,042 km (0.104 R)
• M3: 135,386 km (0.087 R)
• M4: 232,475 km (0.114 R)
• M5: 375,191 km (0.093 R)
• M6: 401,371 km (0.096 R)
• M7: 527,183 km (0.08 R)
• M8: 900,579 km (0.045 R)
• M9: 1,008,888 km (0.088 R)
• M10: 1,064,688 km (0.076 R)
• M11: 1,278,015 km (0.116 R)
• M12: 1,946,867 km (0.077 R)
• M13: 1,969,905 km (0.104 R)
• M14: 2,158,248 km (0.076 R)
• M15: 2,401,794 km (0.075 R)
• M16: 2,552,140 km (0.105 R)
• M17: 2,731,208 km (0.094 R)
• M18: 3,918,118 km (0.061 R)
• M19: 4,124,563 km (0.105 R)
• M20: 4,304,380 km (0.108 R)
• M21: 4,548,074 km (0.069 R)
• M22: 5,017,064 km (0.082 R)
• M23: 5,112,806 km (0.104 R)
• M24: 5,699,230 km (0.115 R)
• M25: 5,799,012 km (0.031 R)
• M26: 6,583,054 km (0.099 R)
• M27: 6,757,934 km (0.069 R)
• M28: 7,255,497 km (0.112 R)
• M29: 7,291,550 km (0.114 R)
• M30: 7,691,275 km (0.074 R)
• M31: 7,912,381 km (0.12 R)
• M32: 7,986,582 km (0.099 R)
• M33: 8,135,581 km (0.111 R)
• M34: 8,210,530 km (0.093 R)
• M35: 8,436,422 km (0.101 R)
• M36: 8,512,268 km (0.111 R)
• M37: 9,360,488 km (0.108 R)
• M38: 9,954,093 km (0.065 R)
• M39: 10,397,202 km (0.075 R)
• M40: 11,764,377 km (0.055 R)
• M41: 12,061,628 km (0.075 R)
• M42: 12,924,209 km (0.064 R)
• M43: 13,628,665 km (0.071 R)
• M44: 13,673,096 km (0.117 R)
• M45: 13,806,687 km (0.071 R)
• M46: 15,120,306 km (0.07 R)
• M47: 16,520,542 km (0.119 R)
• M48: 16,757,953 km (0.103 R)
• M49: 17,621,732 km (0.09 R)
• M50: 17,815,610 km (0.067 R)
• M51: 18,156,694 km (0.116 R)
• M52: 18,944,476 km (0.069 R)
• M53: 20,705,991 km (0.082 R)
• M54: 21,528,480 km (0.102 R)
• M55: 22,256,872 km (0.078 R)
• M56: 22,887,726 km (0.036 R)
• M57: 23,417,901 km (0.066 R)
• M58: 24,113,082 km (0.103 R)
• M59: 24,436,214 km (0.077 R)
• M60: 24,706,537 km (0.12 R)
• M61: 25,086,815 km (0.092 R)
• M62: 25,359,532 km (0.089 R)
• M63: 25,688,049 km (0.056 R)
• M64: 25,907,958 km (0.108 R)
• M65: 26,682,426 km (0.109 R)
• M66: 27,184,177 km (0.045 R)
• M67: 27,240,127 km (0.099 R)
• M68: 27,745,468 km (0.072 R)
• M69: 28,197,104 km (0.101 R)
• M70: 28,310,499 km (0.105 R)
• M71: 28,879,271 km (0.119 R)
• M72: 29,682,013 km (0.111 R)
• M73: 29,739,608 km (0.055 R)
• M74: 30,958,083 km (0.097 R)
• M75: 31,133,561 km (0.088 R)
• M76: 32,786,468 km (0.12 R)
• M77: 34,044,735 km (0.097 R)
• M78: 34,105,023 km (0.074 R)
• M79: 34,286,186 km (0.091 R)
• M80: 35,074,866 km (0.098 R)
• M81: 35,746,860 km (0.068 R)
• M82: 36,176,804 km (0.115 R)
• M83: 36,299,923 km (0.089 R)
• M84: 38,226,146 km (0.113 R)
• M85: 38,414,340 km (0.067 R)
• M86: 38,791,625 km (0.099 R)
• M87: 39,740,076 km (0.076 R)
• M88: 40,696,156 km (0.112 R)
• M89: 40,824,212 km (0.025 R)
• M90: 40,952,417 km (0.118 R)
• M91: 41,273,454 km (0.026 R)
• M92: 41,659,865 km (0.099 R)
• M93: 42,176,876 km (0.115 R)
• M94: 42,241,652 km (0.073 R)
• M95: 42,891,355 km (0.071 R)
• M96: 43,021,655 km (0.12 R)
• M97: 43,217,329 km (0.075 R)
• M98: 43,544,200 km (0.115 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: 505 - 19,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit