🌌 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: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.86 AU - 0.88 AU

Year: 301 Days

Day: 28.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.92 AU - 1.04 AU

Year: 360 Days

Day: 17 Hours

Environment

Temp: 33 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.96 AU - 1.02 AU

Year: 365 Days

Day: 42.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.94 AU - 1.08 AU

Year: 376 Days

Day: 31.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.17 AU - 1.71 AU

Year: 641 Days

Day: 46.6 Hours

Environment

Temp: -38 °C

Axial Tilt: 118 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,724,814 km

• M1: 204,949 km (0.112 R)
• M2: 262,694 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.58 AU - 2.12 AU

Year: 933 Days

Day: 40.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.45 AU - 3.59 AU

Year: 2449 Days

Day: 12.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.66 AU - 3.96 AU

Year: 2758 Days

Day: 13.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,724,814 km

• M1: 290,369 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435

Radius: 5

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 10.72 AU - 16.66 AU

Year: 18785 Days

Day: 23.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 62,724,814 km

• M1: 124,914 km (0.107 R)
• M2: 213,476 km (0.108 R)
• M3: 640,578 km (0.111 R)
• M4: 700,716 km (0.11 R)
• M5: 783,893 km (0.086 R)
• M6: 1,560,605 km (0.026 R)
• M7: 1,754,035 km (0.09 R)
• M8: 2,765,317 km (0.089 R)
• M9: 2,864,799 km (0.104 R)
• M10: 2,965,479 km (0.105 R)
• M11: 3,344,709 km (0.103 R)
• M12: 3,486,378 km (0.104 R)
• M13: 3,629,992 km (0.115 R)
• M14: 3,997,704 km (0.031 R)
• M15: 4,887,512 km (0.081 R)
• M16: 6,309,141 km (0.113 R)
• M17: 6,974,103 km (0.116 R)
• M18: 7,019,282 km (0.077 R)
• M19: 7,200,744 km (0.097 R)
• M20: 7,383,702 km (0.081 R)
• M21: 8,562,085 km (0.105 R)
• M22: 8,610,405 km (0.1 R)
• M23: 9,545,990 km (0.085 R)
• M24: 11,035,237 km (0.102 R)
• M25: 11,140,553 km (0.037 R)
• M26: 11,246,170 km (0.097 R)
• M27: 12,212,123 km (0.05 R)
• M28: 12,594,944 km (0.115 R)
• M29: 12,815,451 km (0.114 R)
• M30: 12,870,802 km (0.03 R)
• M31: 13,541,001 km (0.111 R)
• M32: 15,031,444 km (0.028 R)
• M33: 15,618,466 km (0.095 R)
• M34: 15,974,210 km (0.093 R)
• M35: 16,033,750 km (0.108 R)
• M36: 16,332,647 km (0.079 R)
• M37: 16,512,912 km (0.073 R)
• M38: 17,118,335 km (0.059 R)
• M39: 17,607,969 km (0.116 R)
• M40: 17,669,603 km (0.096 R)
• M41: 18,538,467 km (0.112 R)
• M42: 19,739,738 km (0.043 R)
• M43: 20,124,354 km (0.118 R)
• M44: 22,150,358 km (0.11 R)
• M45: 22,416,493 km (0.045 R)
• M46: 23,221,180 km (0.118 R)
• M47: 23,559,271 km (0.07 R)
• M48: 23,627,039 km (0.045 R)
• M49: 24,927,792 km (0.118 R)
• M50: 25,552,064 km (0.094 R)
• M51: 26,674,348 km (0.061 R)
• M52: 26,886,627 km (0.063 R)
• M53: 27,028,446 km (0.09 R)
• M54: 27,598,114 km (0.105 R)
• M55: 27,741,130 km (0.076 R)
• M56: 28,894,380 km (0.114 R)
• M57: 29,039,639 km (0.104 R)
• M58: 29,476,914 km (0.09 R)
• M59: 29,549,918 km (0.027 R)
• M60: 29,769,527 km (0.117 R)
• M61: 30,727,403 km (0.109 R)
• M62: 31,920,146 km (0.114 R)
• M63: 33,203,846 km (0.041 R)
• M64: 33,355,987 km (0.03 R)
• M65: 34,197,026 km (0.1 R)
• M66: 34,273,770 km (0.101 R)
• M67: 35,743,718 km (0.089 R)
• M68: 39,709,109 km (0.117 R)
• M69: 40,032,390 km (0.111 R)
• M70: 40,356,419 km (0.115 R)
• M71: 41,415,722 km (0.102 R)
• M72: 41,497,552 km (0.115 R)
• M73: 41,579,531 km (0.053 R)
• M74: 42,236,715 km (0.092 R)
• M75: 42,319,143 km (0.086 R)
• M76: 43,063,093 km (0.104 R)
• M77: 44,061,809 km (0.108 R)
• M78: 44,647,933 km (0.105 R)
• M79: 46,762,200 km (0.029 R)
• M80: 47,018,012 km (0.032 R)
• M81: 48,390,573 km (0.08 R)
• M82: 48,908,780 km (0.047 R)
• M83: 49,168,482 km (0.071 R)
• M84: 49,428,632 km (0.091 R)
• M85: 49,776,298 km (0.051 R)
• M86: 50,474,022 km (0.115 R)
• M87: 50,649,052 km (0.111 R)
• M88: 52,144,133 km (0.1 R)
• M89: 54,010,965 km (0.118 R)
• M90: 55,357,794 km (0.099 R)
• M91: 56,897,456 km (0.102 R)
• M92: 60,204,167 km (0.118 R)
• M93: 60,761,270 km (0.091 R)
• M94: 61,226,968 km (0.081 R)
• M95: 62,724,742 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit