🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.91 AU - 1.49 AU

Year: 458 Days

Day: 20.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.18 AU - 1.72 AU

Year: 608 Days

Day: 47.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 98,761,131 km

• M1: 76,445 km (0.058 R)
• M2: 752,627 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.28 AU - 1.7 AU

Year: 633 Days

Day: 33.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.54 AU - 2.98 AU

Year: 1597 Days

Day: 45 Hours

Environment

Temp: -79 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.1

Radius: 7.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.63 AU - 16.95 AU

Year: 18812 Days

Day: 19.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,761,131 km

• M1: 106,514 km (0.082 R)
• M2: 425,456 km (0.088 R)
• M3: 756,068 km (0.116 R)
• M4: 1,586,336 km (0.068 R)
• M5: 2,549,447 km (0.059 R)
• M6: 3,156,964 km (0.035 R)
• M7: 5,527,043 km (0.1 R)
• M8: 9,791,330 km (0.101 R)
• M9: 21,363,025 km (0.111 R)
• M10: 22,986,760 km (0.093 R)
• M11: 23,452,159 km (0.108 R)
• M12: 26,174,541 km (0.119 R)
• M13: 29,100,675 km (0.111 R)
• M14: 31,206,116 km (0.112 R)
• M15: 32,703,890 km (0.119 R)
• M16: 37,869,654 km (0.114 R)
• M17: 38,128,458 km (0.092 R)
• M18: 40,645,592 km (0.072 R)
• M19: 41,189,231 km (0.111 R)
• M20: 41,600,176 km (0.085 R)

Asteroid Belt

Center: 15.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.6

Radius: 6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 15.84 AU - 17.34 AU

Year: 23532 Days

Day: 17.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,761,131 km

• M1: 74,649 km (0.116 R)
• M2: 265,237 km (0.074 R)
• M3: 560,992 km (0.069 R)
• M4: 1,211,892 km (0.088 R)
• M5: 1,614,011 km (0.1 R)
• M6: 2,976,399 km (0.096 R)
• M7: 3,363,259 km (0.027 R)
• M8: 6,424,032 km (0.079 R)
• M9: 10,240,872 km (0.033 R)
• M10: 10,961,784 km (0.059 R)
• M11: 13,448,101 km (0.119 R)
• M12: 18,139,191 km (0.092 R)
• M13: 20,127,795 km (0.047 R)
• M14: 20,526,174 km (0.112 R)
• M15: 24,804,075 km (0.097 R)
• M16: 26,194,737 km (0.049 R)
• M17: 27,344,097 km (0.118 R)
• M18: 30,364,029 km (0.096 R)
• M19: 31,738,983 km (0.105 R)
• M20: 32,496,248 km (0.063 R)
• M21: 34,840,446 km (0.058 R)
• M22: 40,364,497 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.7

Radius: 5.7

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 18.39 AU - 21.33 AU

Year: 30822 Days

Day: 21.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 98,761,131 km

• M1: 77,641 km (0.12 R)
• M2: 384,317 km (0.08 R)
• M3: 958,922 km (0.101 R)
• M4: 1,384,678 km (0.071 R)
• M5: 1,765,704 km (0.117 R)
• M6: 2,191,310 km (0.114 R)
• M7: 2,553,336 km (0.109 R)
• M8: 3,068,252 km (0.079 R)
• M9: 3,585,412 km (0.085 R)
• M10: 4,123,516 km (0.068 R)
• M11: 4,375,139 km (0.103 R)
• M12: 5,110,413 km (0.048 R)
• M13: 9,614,506 km (0.047 R)
• M14: 10,382,691 km (0.088 R)
• M15: 10,581,057 km (0.085 R)
• M16: 10,781,818 km (0.088 R)
• M17: 11,681,649 km (0.052 R)
• M18: 12,630,548 km (0.106 R)
• M19: 19,828,899 km (0.054 R)
• M20: 20,032,202 km (0.056 R)
• M21: 21,069,813 km (0.09 R)
• M22: 21,388,008 km (0.057 R)
• M23: 22,915,252 km (0.111 R)
• M24: 25,579,890 km (0.094 R)
• M25: 26,307,534 km (0.068 R)
• M26: 26,553,024 km (0.119 R)
• M27: 27,298,919 km (0.081 R)
• M28: 34,212,584 km (0.111 R)
• M29: 38,148,355 km (0.036 R)
• M30: 39,578,061 km (0.043 R)
• M31: 40,878,665 km (0.08 R)
• M32: 43,222,714 km (0.108 R)
• M33: 55,285,688 km (0.089 R)
• M34: 55,688,705 km (0.115 R)
• M35: 57,940,452 km (0.119 R)
• M36: 68,943,226 km (0.115 R)
• M37: 70,586,708 km (0.065 R)
• M38: 75,673,634 km (0.107 R)
• M39: 83,356,382 km (0.058 R)
• M40: 89,309,630 km (0.098 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 12,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit