🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.19 AU - 1.35 AU

Year: 523 Days

Day: 40.3 Hours

Environment

Temp: -16 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.26 AU - 1.52 AU

Year: 599 Days

Day: 20.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 95.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.55 AU - 2.79 AU

Year: 1594 Days

Day: 30.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,592,732 km

• M1: 16,157 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.51 AU - 5.33 AU

Year: 3394 Days

Day: 12.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,592,732 km

• M1: 442,511 km (0.057 R)

Asteroid Belt

Center: 5.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.6

Radius: 12.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.97 AU - 8.11 AU

Year: 6823 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,592,732 km

• M1: 156,928 km (0.081 R)
• M2: 553,213 km (0.061 R)
• M3: 1,417,141 km (0.065 R)
• M4: 1,825,094 km (0.039 R)
• M5: 2,281,816 km (0.084 R)
• M6: 2,851,036 km (0.117 R)
• M7: 3,389,738 km (0.105 R)
• M8: 5,482,912 km (0.065 R)
• M9: 6,196,194 km (0.119 R)
• M10: 6,705,425 km (0.113 R)
• M11: 11,045,409 km (0.101 R)
• M12: 13,556,709 km (0.079 R)
• M13: 15,314,484 km (0.039 R)
• M14: 19,277,780 km (0.055 R)
• M15: 19,749,013 km (0.115 R)
• M16: 21,783,993 km (0.062 R)
• M17: 23,878,064 km (0.066 R)
• M18: 24,894,432 km (0.113 R)
• M19: 27,097,560 km (0.111 R)
• M20: 28,462,940 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 13.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 9 AU - 12.84 AU

Year: 13180 Days

Day: 12.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,592,732 km

• M1: 167,849 km (0.1 R)
• M2: 913,145 km (0.036 R)
• M3: 1,381,387 km (0.111 R)
• M4: 2,188,617 km (0.076 R)
• M5: 2,815,881 km (0.084 R)
• M6: 4,239,304 km (0.061 R)
• M7: 5,648,217 km (0.057 R)
• M8: 6,348,934 km (0.106 R)
• M9: 6,937,152 km (0.098 R)
• M10: 7,490,515 km (0.07 R)
• M11: 7,924,648 km (0.096 R)
• M12: 8,491,175 km (0.065 R)
• M13: 9,537,014 km (0.086 R)
• M14: 11,691,522 km (0.117 R)
• M15: 13,774,374 km (0.05 R)
• M16: 16,393,982 km (0.12 R)
• M17: 22,450,751 km (0.105 R)
• M18: 22,976,587 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 10.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 9.2 AU - 13.88 AU

Year: 14319 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,592,732 km

• M1: 129,851 km (0.112 R)
• M2: 1,041,500 km (0.066 R)
• M3: 1,567,636 km (0.027 R)
• M4: 1,925,175 km (0.061 R)
• M5: 2,787,457 km (0.039 R)
• M6: 3,412,926 km (0.102 R)
• M7: 4,048,118 km (0.105 R)
• M8: 4,465,945 km (0.109 R)
• M9: 9,974,887 km (0.097 R)
• M10: 11,325,456 km (0.117 R)
• M11: 12,329,408 km (0.117 R)
• M12: 15,900,907 km (0.119 R)
• M13: 17,230,234 km (0.11 R)
• M14: 22,339,450 km (0.098 R)
• M15: 22,769,993 km (0.115 R)
• M16: 23,915,164 km (0.055 R)
• M17: 27,580,911 km (0.076 R)
• M18: 29,909,850 km (0.096 R)
• M19: 38,534,916 km (0.044 R)
• M20: 42,483,252 km (0.049 R)
• M21: 45,996,259 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.3

Radius: 3.6

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 12.12 AU - 17.12 AU

Year: 20418 Days

Day: 19.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,592,732 km

• M1: 44,730 km (0.108 R)
• M2: 166,951 km (0.084 R)
• M3: 287,677 km (0.107 R)
• M4: 463,305 km (0.092 R)
• M5: 809,773 km (0.094 R)
• M6: 5,781,958 km (0.118 R)
• M7: 7,256,095 km (0.057 R)
• M8: 8,963,306 km (0.092 R)
• M9: 9,812,124 km (0.052 R)
• M10: 12,278,694 km (0.106 R)
• M11: 12,910,446 km (0.074 R)
• M12: 14,552,282 km (0.105 R)
• M13: 14,679,141 km (0.106 R)
• M14: 16,811,210 km (0.079 R)
• M15: 20,303,273 km (0.077 R)
• M16: 21,266,534 km (0.08 R)
• M17: 22,175,940 km (0.105 R)
• M18: 26,827,536 km (0.027 R)
• M19: 29,278,697 km (0.071 R)
• M20: 32,412,174 km (0.108 R)
• M21: 33,725,643 km (0.096 R)
• M22: 35,646,629 km (0.116 R)
• M23: 36,809,902 km (0.106 R)
• M24: 38,480,761 km (0.063 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 15,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit