🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.44 AU - 0.64 AU

Year: 181 Days

Day: 37.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 91.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 36,858,361 km

• M1: 34,108 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.25 AU - 1.97 AU

Year: 933 Days

Day: 38.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.71 AU - 1.85 AU

Year: 1084 Days

Day: 35.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,858,361 km

• M1: 103,522 km (0.072 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.9

Radius: 12.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.84 AU - 5.22 AU

Year: 5151 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,858,361 km

• M1: 151,692 km (0.087 R)
• M2: 556,654 km (0.042 R)
• M3: 962,812 km (0.061 R)
• M4: 1,397,095 km (0.11 R)
• M5: 2,428,422 km (0.047 R)
• M6: 3,374,180 km (0.119 R)
• M7: 3,764,032 km (0.06 R)
• M8: 8,444,501 km (0.089 R)
• M9: 14,097,804 km (0.105 R)
• M10: 15,792,150 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 9.2

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.68 AU - 6.4 AU

Year: 5953 Days

Day: 12.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,858,361 km

• M1: 114,891 km (0.049 R)
• M2: 548,127 km (0.082 R)
• M3: 1,006,195 km (0.09 R)
• M4: 1,708,258 km (0.117 R)
• M5: 2,421,990 km (0.05 R)
• M6: 2,743,625 km (0.098 R)
• M7: 3,237,896 km (0.119 R)
• M8: 4,535,209 km (0.063 R)
• M9: 5,403,924 km (0.088 R)
• M10: 5,706,710 km (0.087 R)
• M11: 6,052,879 km (0.116 R)
• M12: 6,547,450 km (0.071 R)
• M13: 7,468,524 km (0.1 R)
• M14: 8,155,178 km (0.093 R)
• M15: 9,831,273 km (0.104 R)
• M16: 10,845,247 km (0.091 R)
• M17: 11,279,679 km (0.117 R)
• M18: 12,811,711 km (0.091 R)
• M19: 15,004,966 km (0.085 R)
• M20: 16,789,967 km (0.086 R)
• M21: 21,073,104 km (0.066 R)
• M22: 21,902,325 km (0.066 R)
• M23: 22,286,343 km (0.06 R)
• M24: 23,226,416 km (0.094 R)
• M25: 24,356,329 km (0.1 R)
• M26: 27,518,229 km (0.072 R)
• M27: 31,330,432 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.1

Radius: 14.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.43 AU - 9.27 AU

Year: 12020 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,858,361 km

• M1: 175,478 km (0.061 R)
• M2: 642,972 km (0.09 R)
• M3: 1,197,830 km (0.115 R)
• M4: 2,340,010 km (0.072 R)
• M5: 3,831,501 km (0.094 R)
• M6: 4,766,787 km (0.116 R)
• M7: 6,153,858 km (0.073 R)
• M8: 10,924,684 km (0.09 R)
• M9: 16,489,575 km (0.07 R)
• M10: 22,100,841 km (0.112 R)
• M11: 24,882,464 km (0.106 R)
• M12: 25,893,447 km (0.109 R)
• M13: 29,091,550 km (0.077 R)
• M14: 33,509,175 km (0.067 R)
• M15: 33,998,659 km (0.087 R)
• M16: 34,493,080 km (0.098 R)
• M17: 39,567,889 km (0.106 R)
• M18: 47,540,558 km (0.092 R)
• M19: 48,939,747 km (0.112 R)
• M20: 54,642,417 km (0.036 R)
• M21: 55,321,143 km (0.055 R)
• M22: 56,177,441 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.4

Radius: 3.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 10.8 AU - 14.74 AU

Year: 20835 Days

Day: 16.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,858,361 km

• M1: 44,730 km (0.036 R)
• M2: 156,779 km (0.081 R)
• M3: 324,029 km (0.102 R)
• M4: 530,773 km (0.112 R)
• M5: 697,724 km (0.034 R)
• M6: 1,118,992 km (0.045 R)
• M7: 1,703,770 km (0.045 R)
• M8: 2,142,840 km (0.096 R)
• M9: 2,357,214 km (0.098 R)
• M10: 2,974,006 km (0.043 R)
• M11: 3,954,769 km (0.067 R)
• M12: 4,767,983 km (0.103 R)
• M13: 5,213,785 km (0.107 R)
• M14: 5,715,387 km (0.118 R)
• M15: 10,677,249 km (0.103 R)
• M16: 12,137,623 km (0.106 R)
• M17: 13,829,725 km (0.112 R)
• M18: 16,770,669 km (0.11 R)
• M19: 20,236,403 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.8

Radius: 3.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 12.34 AU - 13.56 AU

Year: 21277 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,858,361 km

• M1: 49,367 km (0.097 R)
• M2: 806,781 km (0.101 R)
• M3: 1,352,215 km (0.12 R)
• M4: 1,566,140 km (0.072 R)
• M5: 2,578,469 km (0.092 R)
• M6: 3,578,082 km (0.074 R)
• M7: 4,896,189 km (0.112 R)
• M8: 18,055,865 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 14,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit