🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.46 AU - 0.64 AU

Year: 154 Days

Day: 28.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.58 AU - 0.62 AU

Year: 176 Days

Day: 30.1 Hours

Environment

Temp: 143 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.81 AU - 2.83 AU

Year: 1794 Days

Day: 23.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.73 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 10.9

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.55 AU - 5.71 AU

Year: 3773 Days

Day: 8.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 114,953,401 km

• M1: 135,685 km (0.111 R)
• M2: 591,211 km (0.09 R)
• M3: 1,148,912 km (0.101 R)
• M4: 1,525,599 km (0.068 R)
• M5: 1,868,777 km (0.04 R)
• M6: 2,235,142 km (0.115 R)
• M7: 5,773,281 km (0.095 R)
• M8: 6,290,740 km (0.106 R)
• M9: 7,124,748 km (0.111 R)
• M10: 7,585,510 km (0.101 R)
• M11: 9,434,240 km (0.084 R)
• M12: 10,071,677 km (0.113 R)
• M13: 10,442,679 km (0.105 R)
• M14: 10,951,611 km (0.055 R)
• M15: 11,700,797 km (0.046 R)
• M16: 12,111,144 km (0.117 R)
• M17: 13,648,412 km (0.06 R)
• M18: 14,360,348 km (0.076 R)
• M19: 16,474,615 km (0.098 R)
• M20: 18,664,878 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 13.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.14 AU - 5.46 AU

Year: 3983 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 114,953,401 km

• M1: 167,998 km (0.098 R)
• M2: 654,790 km (0.067 R)
• M3: 1,143,377 km (0.05 R)
• M4: 2,561,415 km (0.098 R)
• M5: 3,300,279 km (0.07 R)
• M6: 4,131,295 km (0.077 R)
• M7: 4,913,841 km (0.081 R)
• M8: 6,118,553 km (0.05 R)
• M9: 6,582,456 km (0.035 R)
• M10: 8,451,233 km (0.09 R)
• M11: 9,306,184 km (0.118 R)
• M12: 10,873,222 km (0.116 R)
• M13: 17,350,211 km (0.118 R)
• M14: 18,220,572 km (0.088 R)
• M15: 18,924,729 km (0.089 R)
• M16: 25,070,509 km (0.112 R)
• M17: 26,022,101 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18

Radius: 6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 14.46 AU - 20.9 AU

Year: 28156 Days

Day: 23.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 114,953,401 km

• M1: 75,697 km (0.085 R)
• M2: 607,966 km (0.088 R)
• M3: 910,752 km (0.089 R)
• M4: 4,013,711 km (0.105 R)
• M5: 4,945,706 km (0.075 R)
• M6: 9,712,193 km (0.097 R)
• M7: 12,126,403 km (0.099 R)
• M8: 13,012,771 km (0.119 R)
• M9: 24,296,041 km (0.067 R)
• M10: 24,835,939 km (0.043 R)
• M11: 25,069,761 km (0.112 R)
• M12: 26,180,525 km (0.08 R)
• M13: 27,739,933 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.9

Radius: 5.6

Gravity: 30.86 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 17.95 AU - 19.95 AU

Year: 31244 Days

Day: 21.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 114,953,401 km

• M1: 126,261 km (0.111 R)
• M2: 567,126 km (0.032 R)
• M3: 908,508 km (0.107 R)
• M4: 1,599,052 km (0.08 R)
• M5: 2,484,970 km (0.045 R)
• M6: 2,842,659 km (0.051 R)
• M7: 3,492,213 km (0.028 R)
• M8: 4,388,753 km (0.094 R)
• M9: 6,423,433 km (0.11 R)
• M10: 7,477,500 km (0.076 R)
• M11: 8,340,231 km (0.089 R)
• M12: 8,520,496 km (0.095 R)
• M13: 10,261,666 km (0.054 R)
• M14: 11,034,638 km (0.099 R)
• M15: 11,325,008 km (0.096 R)
• M16: 12,304,425 km (0.061 R)
• M17: 13,175,982 km (0.044 R)
• M18: 15,489,064 km (0.103 R)
• M19: 17,959,374 km (0.099 R)
• M20: 18,975,742 km (0.081 R)
• M21: 20,353,389 km (0.084 R)
• M22: 21,011,171 km (0.067 R)
• M23: 23,784,565 km (0.109 R)
• M24: 25,636,438 km (0.115 R)
• M25: 25,890,455 km (0.102 R)
• M26: 28,795,945 km (0.088 R)
• M27: 30,185,709 km (0.093 R)
• M28: 32,948,333 km (0.046 R)
• M29: 38,803,144 km (0.09 R)
• M30: 40,325,153 km (0.07 R)
• M31: 42,062,583 km (0.119 R)
• M32: 44,945,334 km (0.116 R)
• M33: 50,301,985 km (0.096 R)
• M34: 56,711,805 km (0.111 R)
• M35: 57,359,564 km (0.068 R)
• M36: 67,918,780 km (0.1 R)
• M37: 76,769,139 km (0.109 R)
• M38: 79,701,856 km (0.108 R)
• M39: 81,332,473 km (0.098 R)
• M40: 83,540,986 km (0.052 R)
• M41: 99,817,534 km (0.108 R)
• M42: 101,394,146 km (0.029 R)
• M43: 107,866,647 km (0.097 R)
• M44: 110,195,587 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit