🌌 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: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.51 AU - 0.57 AU

Year: 170 Days

Day: 27.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.85 AU

Year: 250 Days

Day: 21.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1 AU - 1.08 AU

Year: 453 Days

Day: 25.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.87 AU - 1.33 AU

Year: 493 Days

Day: 26.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,355,995 km

• M1: 207,941 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.41 AU - 1.45 AU

Year: 731 Days

Day: 30.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.54 AU - 1.98 AU

Year: 998 Days

Day: 19.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 9.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.44 AU - 5.64 AU

Year: 5574 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 29,355,995 km

• M1: 428,149 km (0.072 R)
• M2: 550,371 km (0.095 R)
• M3: 616,343 km (0.075 R)
• M4: 733,179 km (0.1 R)
• M5: 896,839 km (0.104 R)
• M6: 1,129,614 km (0.087 R)
• M7: 1,290,581 km (0.115 R)
• M8: 1,428,211 km (0.085 R)
• M9: 1,619,397 km (0.1 R)
• M10: 1,734,887 km (0.109 R)
• M11: 2,009,249 km (0.04 R)
• M12: 2,224,371 km (0.095 R)
• M13: 2,428,123 km (0.106 R)
• M14: 2,503,820 km (0.079 R)
• M15: 2,599,413 km (0.108 R)
• M16: 2,854,028 km (0.111 R)
• M17: 3,116,872 km (0.078 R)
• M18: 3,451,073 km (0.099 R)
• M19: 3,885,206 km (0.103 R)
• M20: 3,951,927 km (0.041 R)
• M21: 4,086,266 km (0.075 R)
• M22: 4,244,989 km (0.097 R)
• M23: 4,313,655 km (0.088 R)
• M24: 4,522,044 km (0.119 R)
• M25: 4,781,148 km (0.116 R)
• M26: 5,264,648 km (0.099 R)
• M27: 5,412,750 km (0.08 R)
• M28: 5,537,365 km (0.079 R)
• M29: 5,612,463 km (0.072 R)
• M30: 5,865,583 km (0.059 R)
• M31: 6,096,562 km (0.108 R)
• M32: 6,435,401 km (0.057 R)
• M33: 6,593,975 km (0.09 R)
• M34: 6,727,117 km (0.111 R)
• M35: 6,807,451 km (0.093 R)
• M36: 6,888,084 km (0.115 R)
• M37: 7,378,466 km (0.091 R)
• M38: 8,277,998 km (0.095 R)
• M39: 8,508,379 km (0.049 R)
• M40: 8,682,511 km (0.101 R)
• M41: 9,034,215 km (0.076 R)
• M42: 9,812,573 km (0.088 R)
• M43: 10,056,418 km (0.063 R)
• M44: 10,894,016 km (0.073 R)
• M45: 11,209,967 km (0.089 R)
• M46: 11,305,261 km (0.111 R)
• M47: 12,306,519 km (0.05 R)
• M48: 12,635,635 km (0.119 R)
• M49: 12,734,968 km (0.118 R)
• M50: 13,000,953 km (0.094 R)
• M51: 13,134,693 km (0.099 R)
• M52: 13,470,989 km (0.064 R)
• M53: 13,946,411 km (0.084 R)
• M54: 14,117,701 km (0.08 R)
• M55: 14,186,366 km (0.043 R)
• M56: 14,255,032 km (0.098 R)
• M57: 14,462,075 km (0.096 R)
• M58: 15,618,466 km (0.103 R)
• M59: 16,659,069 km (0.116 R)
• M60: 16,767,977 km (0.085 R)
• M61: 17,316,103 km (0.12 R)
• M62: 17,537,059 km (0.07 R)
• M63: 17,721,813 km (0.101 R)
• M64: 18,542,806 km (0.079 R)
• M65: 19,414,213 km (0.091 R)
• M66: 19,528,805 km (0.107 R)
• M67: 20,804,875 km (0.117 R)
• M68: 21,118,283 km (0.08 R)
• M69: 21,354,348 km (0.057 R)
• M70: 21,670,448 km (0.078 R)
• M71: 22,748,750 km (0.049 R)
• M72: 23,193,205 km (0.103 R)
• M73: 23,477,441 km (0.095 R)
• M74: 23,967,374 km (0.117 R)
• M75: 25,876,841 km (0.059 R)
• M76: 27,877,713 km (0.069 R)
• M77: 28,831,399 km (0.078 R)
• M78: 29,093,345 km (0.073 R)
• M79: 29,180,710 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit