🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.52 AU - 0.66 AU

Year: 162 Days

Day: 23.5 Hours

Environment

Temp: 238 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 29,486,657 km

• M1: 34,707 km (0.101 R)
• M2: 254,466 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.56 AU - 0.74 AU

Year: 188 Days

Day: 32.4 Hours

Environment

Temp: 155 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 29,486,657 km

• M1: 55,501 km (0.032 R)
• M2: 95,892 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.67 AU - 0.67 AU

Year: 196 Days

Day: 43.9 Hours

Environment

Temp: 176 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.63 AU - 0.85 AU

Year: 228 Days

Day: 14.6 Hours

Environment

Temp: 112 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.97 AU - 1.03 AU

Year: 358 Days

Day: 12.1 Hours

Environment

Temp: 132 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.19 AU - 1.21 AU

Year: 471 Days

Day: 27.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.43 AU - 2.21 AU

Year: 879 Days

Day: 40 Hours

Environment

Temp: -46 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.21 AU - 3.39 AU

Year: 2147 Days

Day: 42.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,486,657 km

• M1: 1,427,164 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 11.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.98 AU - 7.58 AU

Year: 7035 Days

Day: 8.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 29,486,657 km

• M1: 145,260 km (0.101 R)
• M2: 274,512 km (0.046 R)
• M3: 415,134 km (0.12 R)
• M4: 492,177 km (0.078 R)
• M5: 808,128 km (0.104 R)
• M6: 910,303 km (0.034 R)
• M7: 1,142,629 km (0.083 R)
• M8: 1,503,758 km (0.073 R)
• M9: 1,714,392 km (0.097 R)
• M10: 2,057,420 km (0.071 R)
• M11: 2,237,386 km (0.075 R)
• M12: 2,555,281 km (0.059 R)
• M13: 2,709,965 km (0.097 R)
• M14: 2,907,734 km (0.096 R)
• M15: 4,056,795 km (0.068 R)
• M16: 4,329,662 km (0.049 R)
• M17: 5,233,233 km (0.113 R)
• M18: 5,331,818 km (0.092 R)
• M19: 6,298,220 km (0.119 R)
• M20: 6,721,432 km (0.087 R)
• M21: 6,990,559 km (0.065 R)
• M22: 7,071,940 km (0.097 R)
• M23: 7,567,408 km (0.107 R)
• M24: 7,651,033 km (0.078 R)
• M25: 7,988,825 km (0.116 R)
• M26: 8,766,734 km (0.059 R)
• M27: 9,448,302 km (0.112 R)
• M28: 9,538,510 km (0.109 R)
• M29: 9,659,235 km (0.096 R)
• M30: 9,750,041 km (0.071 R)
• M31: 10,116,406 km (0.081 R)
• M32: 10,301,309 km (0.101 R)
• M33: 11,051,842 km (0.088 R)
• M34: 11,146,986 km (0.042 R)
• M35: 11,755,550 km (0.028 R)
• M36: 12,539,593 km (0.108 R)
• M37: 12,937,972 km (0.118 R)
• M38: 13,815,513 km (0.117 R)
• M39: 14,020,761 km (0.119 R)
• M40: 14,607,783 km (0.095 R)
• M41: 14,747,059 km (0.073 R)
• M42: 15,379,259 km (0.102 R)
• M43: 15,805,763 km (0.084 R)
• M44: 15,984,682 km (0.098 R)
• M45: 17,402,720 km (0.081 R)
• M46: 17,921,526 km (0.092 R)
• M47: 18,033,425 km (0.102 R)
• M48: 19,585,204 km (0.026 R)
• M49: 19,892,926 km (0.072 R)
• M50: 20,163,549 km (0.091 R)
• M51: 20,241,041 km (0.111 R)
• M52: 20,396,473 km (0.088 R)
• M53: 21,100,630 km (0.084 R)
• M54: 21,614,200 km (0.109 R)
• M55: 22,011,980 km (0.096 R)
• M56: 22,693,847 km (0.112 R)
• M57: 22,976,587 km (0.081 R)
• M58: 23,668,328 km (0.106 R)
• M59: 23,872,978 km (0.101 R)
• M60: 24,905,502 km (0.027 R)
• M61: 27,099,505 km (0.089 R)
• M62: 27,700,739 km (0.069 R)
• M63: 28,176,161 km (0.084 R)
• M64: 28,523,676 km (0.112 R)
• M65: 29,179,065 km (0.099 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 20,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit