🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.49 AU - 0.73 AU

Year: 137 Days

Day: 24.1 Hours

Environment

Temp: 338 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.79 AU - 0.89 AU

Year: 221 Days

Day: 16.8 Hours

Environment

Temp: 273 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,124,068 km

• M1: 49,666 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.94 AU - 1.48 AU

Year: 382 Days

Day: 35.2 Hours

Environment

Temp: 183 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,124,068 km

• M1: 587,321 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.53 AU - 1.99 AU

Year: 670 Days

Day: 19.8 Hours

Environment

Temp: 113 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.77 AU - 1.85 AU

Year: 699 Days

Day: 39.3 Hours

Environment

Temp: 99 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,124,068 km

• M1: 84,373 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.93 AU - 2.71 AU

Year: 1014 Days

Day: 43.4 Hours

Environment

Temp: 41 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 91,124,068 km

• M1: 49,517 km (0.059 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.28 AU - 5.42 AU

Year: 3551 Days

Day: 42 Hours

Environment

Temp: -76 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.22 AU - 11.32 AU

Year: 8763 Days

Day: 36.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,124,068 km

• M1: 40,391 km (0.062 R)
• M2: 255,812 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 16.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 10.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 16.09 AU - 16.49 AU

Year: 18867 Days

Day: 9.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,124,068 km

• M1: 134,488 km (0.119 R)
• M2: 505,940 km (0.052 R)
• M3: 1,195,885 km (0.097 R)
• M4: 1,738,776 km (0.04 R)
• M5: 2,706,973 km (0.109 R)
• M6: 3,677,864 km (0.111 R)
• M7: 5,463,015 km (0.111 R)
• M8: 6,371,523 km (0.071 R)
• M9: 7,809,009 km (0.104 R)
• M10: 8,912,592 km (0.047 R)
• M11: 9,806,290 km (0.103 R)
• M12: 11,370,485 km (0.099 R)
• M13: 12,361,272 km (0.109 R)
• M14: 13,032,518 km (0.103 R)
• M15: 15,192,711 km (0.034 R)
• M16: 16,832,752 km (0.106 R)
• M17: 18,118,696 km (0.095 R)
• M18: 20,210,373 km (0.096 R)
• M19: 22,818,313 km (0.111 R)
• M20: 23,365,691 km (0.069 R)
• M21: 26,533,875 km (0.113 R)
• M22: 31,188,912 km (0.081 R)
• M23: 35,138,894 km (0.118 R)
• M24: 35,502,716 km (0.09 R)
• M25: 42,626,118 km (0.072 R)
• M26: 45,868,054 km (0.112 R)
• M27: 50,339,085 km (0.093 R)
• M28: 52,521,568 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 21.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.3

Radius: 6.2

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 17.88 AU - 25.52 AU

Year: 29008 Days

Day: 20.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,124,068 km

• M1: 77,193 km (0.058 R)
• M2: 635,043 km (0.042 R)
• M3: 1,367,474 km (0.098 R)
• M4: 1,929,513 km (0.063 R)
• M5: 2,162,587 km (0.115 R)
• M6: 2,711,461 km (0.11 R)
• M7: 3,116,872 km (0.076 R)
• M8: 3,655,574 km (0.039 R)
• M9: 4,254,563 km (0.112 R)
• M10: 6,125,434 km (0.059 R)
• M11: 6,822,560 km (0.119 R)
• M12: 7,115,772 km (0.05 R)
• M13: 8,939,221 km (0.101 R)
• M14: 9,231,385 km (0.056 R)
• M15: 11,389,783 km (0.09 R)
• M16: 11,595,032 km (0.081 R)
• M17: 12,154,528 km (0.06 R)
• M18: 12,879,030 km (0.102 R)
• M19: 14,255,032 km (0.065 R)
• M20: 14,493,491 km (0.057 R)
• M21: 17,567,278 km (0.099 R)
• M22: 18,871,472 km (0.09 R)
• M23: 23,279,523 km (0.098 R)
• M24: 25,428,646 km (0.09 R)
• M25: 28,958,557 km (0.102 R)
• M26: 32,389,136 km (0.07 R)
• M27: 34,916,891 km (0.1 R)
• M28: 37,876,236 km (0.078 R)
• M29: 41,643,110 km (0.069 R)
• M30: 46,693,086 km (0.114 R)
• M31: 58,799,892 km (0.074 R)
• M32: 67,339,238 km (0.077 R)
• M33: 70,974,316 km (0.086 R)
• M34: 77,401,340 km (0.096 R)

Kuiper Belt

Range: 38.3 - 63.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 11,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit