🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.59 AU - 0.71 AU

Year: 184 Days

Day: 29 Hours

Environment

Temp: 175 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 88,668,110 km

• M1: 97,388 km (0.097 R)
• M2: 467,344 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.86 AU - 1.12 AU

Year: 346 Days

Day: 20.7 Hours

Environment

Temp: 92 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,668,110 km

• M1: 40,691 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.35 AU - 1.73 AU

Year: 672 Days

Day: 24.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 45.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 88,668,110 km

• M1: 1,350,719 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.34 AU - 1.84 AU

Year: 705 Days

Day: 19.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,668,110 km

• M1: 429,047 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.77 AU - 2.53 AU

Year: 1108 Days

Day: 43.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,668,110 km

• M1: 31,266 km (0.03 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.07 AU

Year: 1431 Days

Day: 19.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.5 AU - 4.16 AU

Year: 2634 Days

Day: 33.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.8 AU - 4.66 AU

Year: 3058 Days

Day: 41.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780

Radius: 5

Gravity: 31.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 14.55 AU - 18.47 AU

Year: 23578 Days

Day: 22.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 88,668,110 km

• M1: 150,795 km (0.093 R)
• M2: 455,226 km (0.073 R)
• M3: 879,935 km (0.105 R)
• M4: 936,333 km (0.087 R)
• M5: 1,236,426 km (0.094 R)
• M6: 1,397,095 km (0.101 R)
• M7: 2,258,030 km (0.083 R)
• M8: 2,414,809 km (0.105 R)
• M9: 2,738,987 km (0.062 R)
• M10: 2,864,201 km (0.089 R)
• M11: 3,250,762 km (0.096 R)
• M12: 3,294,744 km (0.085 R)
• M13: 3,653,778 km (0.112 R)
• M14: 3,791,558 km (0.111 R)
• M15: 5,946,964 km (0.112 R)
• M16: 6,163,582 km (0.104 R)
• M17: 7,400,457 km (0.114 R)
• M18: 7,987,330 km (0.077 R)
• M19: 8,528,275 km (0.108 R)
• M20: 8,711,234 km (0.089 R)
• M21: 9,018,956 km (0.108 R)
• M22: 9,143,123 km (0.084 R)
• M23: 9,581,893 km (0.091 R)
• M24: 9,708,603 km (0.116 R)
• M25: 11,404,743 km (0.06 R)
• M26: 11,876,874 km (0.1 R)
• M27: 13,543,394 km (0.099 R)
• M28: 15,503,875 km (0.108 R)
• M29: 16,403,257 km (0.117 R)
• M30: 16,782,936 km (0.108 R)
• M31: 17,706,105 km (0.105 R)
• M32: 18,095,508 km (0.111 R)
• M33: 19,681,545 km (0.086 R)
• M34: 21,642,623 km (0.092 R)
• M35: 21,975,478 km (0.101 R)
• M36: 22,477,978 km (0.077 R)
• M37: 23,068,889 km (0.045 R)
• M38: 23,579,467 km (0.047 R)
• M39: 23,836,177 km (0.103 R)
• M40: 25,046,424 km (0.087 R)
• M41: 25,571,063 km (0.111 R)
• M42: 26,011,180 km (0.106 R)
• M43: 28,612,388 km (0.114 R)
• M44: 30,454,087 km (0.076 R)
• M45: 31,860,158 km (0.106 R)
• M46: 32,714,062 km (0.119 R)
• M47: 33,671,489 km (0.08 R)
• M48: 33,767,830 km (0.091 R)
• M49: 34,250,432 km (0.068 R)
• M50: 34,929,906 km (0.088 R)
• M51: 35,908,426 km (0.073 R)
• M52: 37,892,243 km (0.092 R)
• M53: 40,831,392 km (0.077 R)
• M54: 40,934,017 km (0.049 R)
• M55: 47,355,655 km (0.12 R)
• M56: 48,655,361 km (0.081 R)
• M57: 49,418,909 km (0.086 R)
• M58: 50,516,508 km (0.107 R)
• M59: 52,289,243 km (0.103 R)
• M60: 53,857,178 km (0.094 R)
• M61: 54,986,493 km (0.11 R)
• M62: 55,440,372 km (0.102 R)
• M63: 56,466,315 km (0.105 R)
• M64: 56,809,642 km (0.097 R)
• M65: 57,498,390 km (0.095 R)
• M66: 57,728,622 km (0.077 R)
• M67: 58,884,115 km (0.081 R)
• M68: 60,631,867 km (0.071 R)
• M69: 62,633,038 km (0.092 R)
• M70: 62,870,001 km (0.119 R)
• M71: 63,344,526 km (0.089 R)
• M72: 63,582,386 km (0.104 R)
• M73: 65,615,272 km (0.058 R)
• M74: 66,820,881 km (0.099 R)
• M75: 66,941,906 km (0.083 R)
• M76: 67,669,250 km (0.089 R)
• M77: 68,765,354 km (0.109 R)
• M78: 69,131,869 km (0.112 R)
• M79: 71,840,338 km (0.072 R)
• M80: 73,457,042 km (0.073 R)
• M81: 79,273,108 km (0.095 R)
• M82: 80,299,499 km (0.103 R)
• M83: 81,072,322 km (0.115 R)
• M84: 81,459,631 km (0.071 R)
• M85: 82,106,492 km (0.114 R)
• M86: 82,236,044 km (0.108 R)
• M87: 84,318,446 km (0.099 R)
• M88: 86,418,352 km (0.104 R)
• M89: 86,945,983 km (0.087 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 19,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit