🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.06 AU - 1.7 AU

Year: 581 Days

Day: 22.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,598,616 km

• M1: 395,986 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.25 AU - 1.97 AU

Year: 732 Days

Day: 37.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.4 AU - 2.84 AU

Year: 1519 Days

Day: 36.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.36 AU - 3.3 AU

Year: 1705 Days

Day: 43.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.95 AU - 4.11 AU

Year: 2375 Days

Day: 35.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.99 AU - 4.27 AU

Year: 3006 Days

Day: 41 Hours

Environment

Temp: -112 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.4 AU - 4.58 AU

Year: 3408 Days

Day: 32.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,598,616 km

• M1: 205,996 km (0.115 R)

Asteroid Belt

Center: 9.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.7

Radius: 3.7

Gravity: 28.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 10.56 AU - 17.18 AU

Year: 18501 Days

Day: 15.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 59,598,616 km

• M1: 88,562 km (0.115 R)
• M2: 295,755 km (0.077 R)
• M3: 691,890 km (0.081 R)
• M4: 1,125,425 km (0.12 R)
• M5: 1,172,698 km (0.04 R)
• M6: 1,220,569 km (0.083 R)
• M7: 1,707,809 km (0.119 R)
• M8: 1,762,263 km (0.079 R)
• M9: 2,130,423 km (0.092 R)
• M10: 2,490,655 km (0.107 R)
• M11: 3,165,641 km (0.101 R)
• M12: 4,368,407 km (0.029 R)
• M13: 4,669,847 km (0.079 R)
• M14: 5,253,129 km (0.069 R)
• M15: 5,614,109 km (0.117 R)
• M16: 5,777,021 km (0.066 R)
• M17: 6,191,257 km (0.115 R)
• M18: 8,775,112 km (0.104 R)
• M19: 9,442,767 km (0.092 R)
• M20: 10,275,130 km (0.109 R)
• M21: 10,374,612 km (0.068 R)
• M22: 10,725,270 km (0.061 R)
• M23: 11,592,937 km (0.067 R)
• M24: 12,536,002 km (0.114 R)
• M25: 12,748,880 km (0.037 R)
• M26: 12,802,287 km (0.076 R)
• M27: 12,909,399 km (0.091 R)
• M28: 13,996,078 km (0.076 R)
• M29: 14,383,237 km (0.117 R)
• M30: 14,550,338 km (0.085 R)
• M31: 14,662,087 km (0.064 R)
• M32: 16,371,692 km (0.06 R)
• M33: 17,190,740 km (0.058 R)
• M34: 17,664,816 km (0.111 R)
• M35: 18,023,103 km (0.108 R)
• M36: 18,504,658 km (0.085 R)
• M37: 18,990,403 km (0.081 R)
• M38: 19,974,308 km (0.101 R)
• M39: 20,036,391 km (0.06 R)
• M40: 20,911,838 km (0.071 R)
• M41: 21,672,094 km (0.111 R)
• M42: 22,183,868 km (0.108 R)
• M43: 22,248,195 km (0.118 R)
• M44: 22,505,803 km (0.098 R)
• M45: 22,829,383 km (0.047 R)
• M46: 24,469,574 km (0.107 R)
• M47: 25,002,442 km (0.06 R)
• M48: 25,136,332 km (0.063 R)
• M49: 25,404,561 km (0.113 R)
• M50: 25,808,924 km (0.071 R)
• M51: 25,876,542 km (0.063 R)
• M52: 26,147,464 km (0.111 R)
• M53: 27,585,249 km (0.111 R)
• M54: 27,723,627 km (0.099 R)
• M55: 28,348,647 km (0.069 R)
• M56: 29,330,159 km (0.078 R)
• M57: 29,471,379 km (0.065 R)
• M58: 30,394,099 km (0.115 R)
• M59: 30,465,457 km (0.112 R)
• M60: 31,687,522 km (0.113 R)
• M61: 32,195,257 km (0.112 R)
• M62: 32,486,674 km (0.095 R)
• M63: 33,145,503 km (0.095 R)
• M64: 33,734,769 km (0.081 R)
• M65: 33,808,670 km (0.104 R)
• M66: 34,848,974 km (0.075 R)
• M67: 35,223,118 km (0.051 R)
• M68: 36,429,026 km (0.096 R)
• M69: 36,580,868 km (0.111 R)
• M70: 38,494,674 km (0.056 R)
• M71: 38,649,208 km (0.081 R)
• M72: 39,502,814 km (0.114 R)
• M73: 39,580,605 km (0.087 R)
• M74: 40,127,385 km (0.08 R)
• M75: 40,991,612 km (0.086 R)
• M76: 43,620,794 km (0.043 R)
• M77: 43,781,911 km (0.107 R)
• M78: 44,428,174 km (0.1 R)
• M79: 45,077,728 km (0.035 R)
• M80: 46,057,744 km (0.066 R)
• M81: 46,139,723 km (0.083 R)
• M82: 47,210,096 km (0.068 R)
• M83: 47,872,815 km (0.11 R)
• M84: 49,963,594 km (0.117 R)
• M85: 51,657,491 km (0.049 R)
• M86: 52,254,835 km (0.051 R)
• M87: 52,682,835 km (0.114 R)
• M88: 54,580,185 km (0.102 R)
• M89: 54,840,635 km (0.105 R)
• M90: 55,101,384 km (0.103 R)
• M91: 56,763,117 km (0.107 R)
• M92: 56,938,894 km (0.118 R)
• M93: 57,027,008 km (0.092 R)
• M94: 57,644,248 km (0.091 R)
• M95: 59,241,654 km (0.066 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 15,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit