🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.85 AU - 0.91 AU

Year: 300 Days

Day: 39.9 Hours

Environment

Temp: 77 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.76 AU - 1.04 AU

Year: 310 Days

Day: 23.5 Hours

Environment

Temp: 98 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.87 AU - 1.33 AU

Year: 419 Days

Day: 32.1 Hours

Environment

Temp: 13 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.14 AU - 1.7 AU

Year: 615 Days

Day: 46.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 142.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,505,381 km

• M1: 302,487 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.58 AU - 2.22 AU

Year: 952 Days

Day: 13.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.9 AU - 5.04 AU

Year: 3435 Days

Day: 20.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 17.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.1

Radius: 7

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 16.67 AU - 18.39 AU

Year: 26675 Days

Day: 19.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 80,505,381 km

• M1: 167,400 km (0.067 R)
• M2: 349,461 km (0.043 R)
• M3: 525,986 km (0.112 R)
• M4: 636,389 km (0.081 R)
• M5: 754,721 km (0.06 R)
• M6: 880,383 km (0.075 R)
• M7: 959,371 km (0.082 R)
• M8: 1,872,666 km (0.119 R)
• M9: 2,294,682 km (0.067 R)
• M10: 3,556,091 km (0.097 R)
• M11: 3,683,848 km (0.095 R)
• M12: 4,164,954 km (0.101 R)
• M13: 4,299,592 km (0.094 R)
• M14: 4,435,726 km (0.093 R)
• M15: 8,160,115 km (0.104 R)
• M16: 9,483,308 km (0.076 R)
• M17: 9,601,491 km (0.1 R)
• M18: 9,660,731 km (0.101 R)
• M19: 9,958,880 km (0.069 R)
• M20: 12,711,032 km (0.103 R)
• M21: 13,301,195 km (0.066 R)
• M22: 14,101,843 km (0.098 R)
• M23: 14,169,312 km (0.052 R)
• M24: 14,918,199 km (0.043 R)
• M25: 16,312,301 km (0.057 R)
• M26: 16,953,179 km (0.054 R)
• M27: 18,259,617 km (0.036 R)
• M28: 19,223,027 km (0.107 R)
• M29: 19,673,317 km (0.112 R)
• M30: 20,051,201 km (0.097 R)
• M31: 20,355,184 km (0.06 R)
• M32: 20,814,150 km (0.068 R)
• M33: 21,742,106 km (0.111 R)
• M34: 23,718,443 km (0.103 R)
• M35: 27,165,477 km (0.074 R)
• M36: 27,586,147 km (0.113 R)
• M37: 27,670,520 km (0.111 R)
• M38: 28,178,704 km (0.102 R)
• M39: 28,263,675 km (0.119 R)
• M40: 28,690,029 km (0.03 R)
• M41: 28,775,450 km (0.119 R)
• M42: 30,068,274 km (0.111 R)
• M43: 30,329,173 km (0.032 R)
• M44: 30,853,065 km (0.069 R)
• M45: 31,998,386 km (0.066 R)
• M46: 32,799,483 km (0.111 R)
• M47: 32,888,942 km (0.106 R)
• M48: 33,427,195 km (0.115 R)
• M49: 33,517,104 km (0.102 R)
• M50: 33,787,577 km (0.101 R)
• M51: 36,531,650 km (0.11 R)
• M52: 38,024,188 km (0.069 R)
• M53: 38,588,920 km (0.058 R)
• M54: 38,967,104 km (0.05 R)
• M55: 40,204,278 km (0.118 R)
• M56: 40,395,763 km (0.089 R)
• M57: 40,683,590 km (0.047 R)
• M58: 40,875,823 km (0.104 R)
• M59: 41,261,187 km (0.089 R)
• M60: 41,454,318 km (0.102 R)
• M61: 42,327,371 km (0.086 R)
• M62: 43,010,435 km (0.101 R)
• M63: 44,882,952 km (0.103 R)
• M64: 44,982,285 km (0.082 R)
• M65: 46,580,738 km (0.078 R)
• M66: 46,781,947 km (0.114 R)
• M67: 50,554,506 km (0.075 R)
• M68: 52,634,066 km (0.073 R)
• M69: 53,895,026 km (0.037 R)
• M70: 54,106,259 km (0.067 R)
• M71: 54,211,875 km (0.081 R)
• M72: 54,317,640 km (0.116 R)
• M73: 55,485,401 km (0.092 R)
• M74: 56,339,904 km (0.067 R)
• M75: 57,414,017 km (0.08 R)
• M76: 57,845,607 km (0.086 R)
• M77: 60,238,425 km (0.072 R)
• M78: 60,567,241 km (0.093 R)
• M79: 62,552,554 km (0.093 R)
• M80: 64,559,111 km (0.091 R)
• M81: 65,120,252 km (0.099 R)
• M82: 65,457,596 km (0.1 R)
• M83: 66,360,269 km (0.084 R)
• M84: 66,813,251 km (0.093 R)
• M85: 68,406,469 km (0.1 R)
• M86: 69,781,872 km (0.112 R)
• M87: 71,050,910 km (0.103 R)
• M88: 71,398,277 km (0.103 R)
• M89: 74,785,322 km (0.096 R)
• M90: 75,728,836 km (0.086 R)
• M91: 76,676,389 km (0.078 R)
• M92: 76,913,800 km (0.097 R)
• M93: 78,343,956 km (0.077 R)
• M94: 79,062,175 km (0.076 R)
• M95: 80,505,346 km (0.101 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 13,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit