🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.48 AU - 0.58 AU

Year: 140 Days

Day: 18.4 Hours

Environment

Temp: 166 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.62 AU - 0.7 AU

Year: 195 Days

Day: 36.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.97 AU - 1.43 AU

Year: 478 Days

Day: 15.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,363,351 km

• M1: 40,391 km (0.051 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.65 AU - 4.65 AU

Year: 3073 Days

Day: 17.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 10.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 11.33 AU - 11.95 AU

Year: 14433 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,363,351 km

• M1: 130,599 km (0.093 R)
• M2: 560,992 km (0.089 R)
• M3: 1,025,942 km (0.081 R)
• M4: 1,589,328 km (0.107 R)
• M5: 2,730,760 km (0.119 R)
• M6: 3,254,502 km (0.095 R)
• M7: 4,401,618 km (0.027 R)
• M8: 5,528,689 km (0.105 R)
• M9: 5,861,544 km (0.084 R)
• M10: 7,151,676 km (0.067 R)
• M11: 7,695,165 km (0.057 R)
• M12: 8,865,020 km (0.08 R)
• M13: 10,420,838 km (0.109 R)
• M14: 10,930,668 km (0.055 R)
• M15: 13,084,877 km (0.08 R)
• M16: 14,177,540 km (0.075 R)
• M17: 16,668,644 km (0.062 R)
• M18: 17,624,873 km (0.112 R)
• M19: 18,282,505 km (0.087 R)
• M20: 18,820,310 km (0.118 R)
• M21: 26,378,144 km (0.057 R)
• M22: 28,295,839 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.7

Radius: 7.4

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 15.17 AU - 18.25 AU

Year: 24825 Days

Day: 23.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,363,351 km

• M1: 96,042 km (0.118 R)
• M2: 352,752 km (0.086 R)
• M3: 784,790 km (0.032 R)
• M4: 1,203,664 km (0.071 R)
• M5: 1,640,041 km (0.105 R)
• M6: 2,441,736 km (0.04 R)
• M7: 2,678,101 km (0.108 R)
• M8: 3,906,898 km (0.102 R)
• M9: 5,355,454 km (0.114 R)
• M10: 6,575,574 km (0.04 R)
• M11: 7,617,374 km (0.113 R)
• M12: 8,494,765 km (0.113 R)
• M13: 9,380,534 km (0.082 R)
• M14: 12,684,852 km (0.067 R)
• M15: 16,861,625 km (0.08 R)
• M16: 17,549,476 km (0.111 R)
• M17: 18,077,556 km (0.104 R)
• M18: 18,616,258 km (0.088 R)
• M19: 19,350,933 km (0.09 R)
• M20: 20,683,102 km (0.073 R)
• M21: 21,173,335 km (0.1 R)
• M22: 25,602,030 km (0.102 R)
• M23: 26,395,647 km (0.101 R)
• M24: 26,972,346 km (0.059 R)
• M25: 27,322,555 km (0.026 R)
• M26: 28,271,006 km (0.105 R)
• M27: 33,613,146 km (0.114 R)
• M28: 40,958,401 km (0.072 R)
• M29: 48,097,810 km (0.118 R)
• M30: 52,502,121 km (0.05 R)
• M31: 56,593,922 km (0.093 R)
• M32: 65,195,650 km (0.083 R)
• M33: 67,742,853 km (0.116 R)
• M34: 78,596,029 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583

Radius: 3.1

Gravity: 60.67 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 16.37 AU - 19.49 AU

Year: 27593 Days

Day: 23.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,363,351 km

• M1: 151,094 km (0.072 R)
• M2: 334,052 km (0.068 R)
• M3: 721,511 km (0.038 R)
• M4: 865,723 km (0.048 R)
• M5: 1,125,425 km (0.048 R)
• M6: 1,304,493 km (0.104 R)
• M7: 1,502,262 km (0.083 R)
• M8: 3,277,839 km (0.097 R)
• M9: 4,978,767 km (0.102 R)
• M10: 5,175,787 km (0.05 R)
• M11: 6,285,504 km (0.086 R)
• M12: 7,041,871 km (0.083 R)
• M13: 7,441,896 km (0.103 R)
• M14: 9,194,584 km (0.054 R)
• M15: 11,070,691 km (0.041 R)
• M16: 13,261,851 km (0.096 R)
• M17: 13,564,039 km (0.103 R)
• M18: 14,339,704 km (0.047 R)
• M19: 15,809,653 km (0.067 R)
• M20: 19,332,682 km (0.102 R)
• M21: 19,917,311 km (0.032 R)
• M22: 21,951,244 km (0.099 R)
• M23: 22,267,793 km (0.082 R)
• M24: 23,126,784 km (0.101 R)
• M25: 28,749,270 km (0.059 R)
• M26: 30,415,042 km (0.088 R)
• M27: 33,101,820 km (0.055 R)
• M28: 35,217,583 km (0.081 R)
• M29: 49,650,636 km (0.104 R)
• M30: 53,360,812 km (0.102 R)
• M31: 53,932,725 km (0.072 R)
• M32: 54,316,294 km (0.106 R)
• M33: 61,954,462 km (0.083 R)
• M34: 65,373,671 km (0.105 R)
• M35: 74,704,838 km (0.103 R)
• M36: 77,594,920 km (0.079 R)
• M37: 77,839,063 km (0.037 R)
• M38: 83,596,637 km (0.119 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 14,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit