🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.54 AU - 0.84 AU

Year: 217 Days

Day: 37.4 Hours

Environment

Temp: 124 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.65 AU - 1.05 AU

Year: 297 Days

Day: 16.2 Hours

Environment

Temp: 37 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,005,621 km

• M1: 44,879 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.08 AU - 1.24 AU

Year: 473 Days

Day: 40.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.86 AU - 4.58 AU

Year: 3283 Days

Day: 46.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 10

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.07 AU - 10.05 AU

Year: 8667 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,005,621 km

• M1: 124,615 km (0.08 R)
• M2: 527,332 km (0.114 R)
• M3: 851,361 km (0.036 R)
• M4: 1,413,401 km (0.092 R)
• M5: 1,973,794 km (0.068 R)
• M6: 2,924,339 km (0.107 R)
• M7: 4,047,520 km (0.081 R)
• M8: 5,436,835 km (0.059 R)
• M9: 6,115,711 km (0.089 R)
• M10: 6,623,745 km (0.118 R)
• M11: 7,807,662 km (0.105 R)
• M12: 9,220,166 km (0.096 R)
• M13: 10,135,405 km (0.033 R)
• M14: 10,692,508 km (0.118 R)
• M15: 13,666,962 km (0.098 R)
• M16: 16,248,274 km (0.059 R)
• M17: 16,941,211 km (0.061 R)
• M18: 18,684,624 km (0.108 R)
• M19: 20,866,061 km (0.077 R)
• M20: 26,860,746 km (0.11 R)
• M21: 27,927,529 km (0.116 R)
• M22: 30,145,317 km (0.068 R)
• M23: 31,191,306 km (0.1 R)
• M24: 34,136,140 km (0.095 R)
• M25: 37,023,528 km (0.052 R)
• M26: 37,500,147 km (0.081 R)
• M27: 43,147,766 km (0.073 R)
• M28: 44,341,557 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.7

Radius: 12.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.97 AU - 10.67 AU

Year: 11655 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,005,621 km

• M1: 155,283 km (0.099 R)
• M2: 1,276,668 km (0.05 R)
• M3: 1,677,441 km (0.032 R)
• M4: 2,461,184 km (0.101 R)
• M5: 2,937,803 km (0.112 R)
• M6: 3,704,193 km (0.112 R)
• M7: 5,066,581 km (0.11 R)
• M8: 6,431,362 km (0.027 R)
• M9: 6,897,210 km (0.079 R)
• M10: 8,340,680 km (0.048 R)
• M11: 8,990,383 km (0.061 R)
• M12: 12,340,628 km (0.093 R)
• M13: 15,055,979 km (0.092 R)
• M14: 16,589,207 km (0.119 R)
• M15: 17,542,894 km (0.098 R)
• M16: 17,995,128 km (0.086 R)
• M17: 20,623,413 km (0.088 R)
• M18: 22,423,524 km (0.097 R)
• M19: 35,597,113 km (0.026 R)
• M20: 41,416,021 km (0.049 R)
• M21: 42,084,275 km (0.092 R)
• M22: 44,829,994 km (0.03 R)
• M23: 49,618,023 km (0.118 R)
• M24: 51,286,937 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 9.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.44 AU - 11.08 AU

Year: 12447 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,005,621 km

• M1: 156,180 km (0.11 R)
• M2: 611,706 km (0.088 R)
• M3: 3,796,345 km (0.041 R)
• M4: 5,465,708 km (0.112 R)
• M5: 6,447,219 km (0.098 R)
• M6: 6,883,896 km (0.105 R)
• M7: 12,259,396 km (0.053 R)
• M8: 18,517,524 km (0.115 R)
• M9: 21,593,705 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.4

Radius: 6.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 14.87 AU - 18.61 AU

Year: 25941 Days

Day: 21.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,005,621 km

• M1: 78,539 km (0.035 R)
• M2: 289,921 km (0.112 R)
• M3: 548,725 km (0.055 R)
• M4: 764,894 km (0.1 R)
• M5: 1,580,651 km (0.036 R)
• M6: 1,923,679 km (0.054 R)
• M7: 2,519,677 km (0.093 R)
• M8: 2,736,145 km (0.105 R)
• M9: 3,813,549 km (0.114 R)
• M10: 4,945,855 km (0.088 R)
• M11: 6,054,226 km (0.118 R)
• M12: 7,583,116 km (0.092 R)
• M13: 8,317,791 km (0.075 R)
• M14: 8,899,129 km (0.113 R)
• M15: 13,356,547 km (0.091 R)
• M16: 14,018,068 km (0.077 R)
• M17: 14,494,089 km (0.094 R)
• M18: 16,506,180 km (0.11 R)
• M19: 17,267,783 km (0.066 R)
• M20: 20,636,428 km (0.085 R)
• M21: 22,985,563 km (0.081 R)
• M22: 25,406,805 km (0.041 R)
• M23: 26,421,228 km (0.107 R)
• M24: 27,251,945 km (0.057 R)
• M25: 30,409,507 km (0.08 R)
• M26: 32,369,389 km (0.116 R)
• M27: 33,200,405 km (0.11 R)
• M28: 33,440,360 km (0.07 R)
• M29: 35,028,790 km (0.099 R)
• M30: 36,411,673 km (0.112 R)
• M31: 37,310,307 km (0.07 R)
• M32: 39,285,598 km (0.04 R)
• M33: 41,468,380 km (0.067 R)
• M34: 42,166,703 km (0.075 R)
• M35: 43,443,521 km (0.089 R)
• M36: 44,163,835 km (0.1 R)
• M37: 50,373,792 km (0.035 R)
• M38: 51,328,675 km (0.059 R)
• M39: 56,455,544 km (0.093 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 11,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit