🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.41 AU - 0.59 AU

Year: 130 Days

Day: 20.7 Hours

Environment

Temp: 223 °C

Axial Tilt: 112.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,921,072 km

• M1: 180,714 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.76 AU - 1.18 AU

Year: 351 Days

Day: 40.4 Hours

Environment

Temp: 46 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.84 AU - 1.4 AU

Year: 435 Days

Day: 45.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.22 AU - 1.88 AU

Year: 708 Days

Day: 29.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,921,072 km

• M1: 450,290 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.79 AU - 3.69 AU

Year: 2141 Days

Day: 24.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,921,072 km

• M1: 76,893 km (0.088 R)
• M2: 2,642,198 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.7

Radius: 13.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.21 AU - 7.97 AU

Year: 6930 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,921,072 km

• M1: 169,195 km (0.097 R)
• M2: 694,733 km (0.065 R)
• M3: 1,825,543 km (0.1 R)
• M4: 2,415,706 km (0.117 R)
• M5: 2,945,432 km (0.097 R)
• M6: 4,061,433 km (0.052 R)
• M7: 4,509,179 km (0.105 R)
• M8: 4,989,837 km (0.064 R)
• M9: 6,021,913 km (0.062 R)
• M10: 6,713,952 km (0.042 R)
• M11: 8,052,405 km (0.088 R)
• M12: 8,507,781 km (0.06 R)
• M13: 9,931,952 km (0.095 R)
• M14: 11,100,312 km (0.088 R)
• M15: 12,854,047 km (0.09 R)
• M16: 13,767,941 km (0.118 R)
• M17: 14,908,924 km (0.096 R)
• M18: 15,597,822 km (0.081 R)
• M19: 17,242,501 km (0.111 R)
• M20: 19,661,199 km (0.112 R)
• M21: 22,217,378 km (0.07 R)
• M22: 22,869,026 km (0.118 R)
• M23: 25,515,413 km (0.092 R)
• M24: 26,592,517 km (0.116 R)
• M25: 27,887,287 km (0.08 R)
• M26: 29,515,510 km (0.043 R)
• M27: 33,701,857 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 11.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.94 AU - 7.78 AU

Year: 7330 Days

Day: 13.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,921,072 km

• M1: 149,897 km (0.076 R)
• M2: 608,863 km (0.07 R)
• M3: 2,382,645 km (0.043 R)
• M4: 2,812,739 km (0.064 R)
• M5: 3,400,958 km (0.081 R)
• M6: 4,916,384 km (0.091 R)
• M7: 5,644,477 km (0.11 R)
• M8: 6,008,299 km (0.109 R)
• M9: 9,620,340 km (0.102 R)
• M10: 10,293,530 km (0.118 R)
• M11: 11,361,809 km (0.087 R)
• M12: 12,028,866 km (0.054 R)
• M13: 13,441,518 km (0.05 R)
• M14: 15,259,132 km (0.111 R)
• M15: 18,116,153 km (0.061 R)
• M16: 18,567,938 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.8

Radius: 5.5

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 14.85 AU - 18.63 AU

Year: 25142 Days

Day: 23.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,921,072 km

• M1: 68,665 km (0.097 R)
• M2: 244,443 km (0.074 R)
• M3: 623,374 km (0.11 R)
• M4: 1,729,202 km (0.107 R)
• M5: 2,171,413 km (0.102 R)
• M6: 5,614,109 km (0.12 R)
• M7: 6,315,125 km (0.104 R)
• M8: 7,741,091 km (0.056 R)
• M9: 9,594,459 km (0.113 R)
• M10: 11,789,659 km (0.092 R)
• M11: 12,386,704 km (0.1 R)
• M12: 13,930,554 km (0.04 R)
• M13: 16,075,488 km (0.053 R)
• M14: 18,519,020 km (0.072 R)
• M15: 21,686,156 km (0.07 R)
• M16: 22,380,290 km (0.088 R)
• M17: 23,191,560 km (0.102 R)
• M18: 26,074,310 km (0.103 R)
• M19: 29,067,913 km (0.064 R)
• M20: 29,307,120 km (0.093 R)
• M21: 30,033,119 km (0.1 R)
• M22: 30,523,650 km (0.066 R)
• M23: 33,187,091 km (0.081 R)
• M24: 33,843,227 km (0.09 R)
• M25: 40,738,791 km (0.082 R)
• M26: 41,642,512 km (0.074 R)
• M27: 44,751,455 km (0.098 R)
• M28: 46,689,346 km (0.106 R)
• M29: 49,870,844 km (0.083 R)
• M30: 65,674,363 km (0.103 R)
• M31: 67,124,565 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 13,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit