🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.5 AU - 2 AU

Year: 863 Days

Day: 15 Hours

Environment

Temp: -57 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,759,257 km

• M1: 177,273 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.65 AU - 2.45 AU

Year: 1094 Days

Day: 44.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 97.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.88 AU - 2.22 AU

Year: 1094 Days

Day: 25.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.99 AU - 2.59 AU

Year: 1292 Days

Day: 38.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.65 AU - 4.65 AU

Year: 3152 Days

Day: 33.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,759,257 km

• M1: 207,941 km (0.073 R)

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 15

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.45 AU - 4.95 AU

Year: 3798 Days

Day: 11.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,759,257 km

• M1: 186,698 km (0.039 R)
• M2: 761,603 km (0.076 R)
• M3: 1,717,683 km (0.111 R)
• M4: 5,286,490 km (0.051 R)
• M5: 7,275,244 km (0.075 R)
• M6: 7,998,101 km (0.066 R)
• M7: 13,727,849 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 9.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.33 AU - 6.29 AU

Year: 4561 Days

Day: 7.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,759,257 km

• M1: 119,529 km (0.085 R)
• M2: 516,412 km (0.107 R)
• M3: 841,189 km (0.098 R)
• M4: 1,298,061 km (0.051 R)
• M5: 1,782,758 km (0.113 R)
• M6: 2,271,344 km (0.038 R)
• M7: 2,608,987 km (0.103 R)
• M8: 3,277,091 km (0.075 R)
• M9: 3,850,051 km (0.079 R)
• M10: 5,097,099 km (0.113 R)
• M11: 6,167,920 km (0.088 R)
• M12: 6,860,708 km (0.065 R)
• M13: 7,572,495 km (0.112 R)
• M14: 7,896,972 km (0.117 R)
• M15: 8,332,601 km (0.101 R)
• M16: 8,748,932 km (0.094 R)
• M17: 9,106,471 km (0.092 R)
• M18: 9,473,734 km (0.11 R)
• M19: 11,084,305 km (0.11 R)
• M20: 13,007,385 km (0.116 R)
• M21: 14,839,211 km (0.091 R)
• M22: 16,564,075 km (0.083 R)
• M23: 17,334,803 km (0.115 R)
• M24: 17,956,980 km (0.088 R)
• M25: 18,947,767 km (0.104 R)
• M26: 19,426,480 km (0.072 R)
• M27: 20,532,906 km (0.09 R)
• M28: 20,974,369 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 14.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.6 AU - 6.04 AU

Year: 5234 Days

Day: 6.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,759,257 km

• M1: 179,069 km (0.054 R)
• M2: 723,605 km (0.107 R)
• M3: 1,228,199 km (0.111 R)
• M4: 2,044,554 km (0.119 R)
• M5: 2,511,449 km (0.039 R)
• M6: 3,125,548 km (0.117 R)
• M7: 3,838,831 km (0.07 R)
• M8: 5,678,885 km (0.099 R)
• M9: 6,334,722 km (0.097 R)
• M10: 7,310,100 km (0.054 R)
• M11: 9,356,000 km (0.062 R)
• M12: 10,753,693 km (0.067 R)
• M13: 11,433,316 km (0.118 R)
• M14: 14,120,094 km (0.098 R)
• M15: 16,305,719 km (0.099 R)
• M16: 17,882,929 km (0.114 R)
• M17: 20,436,565 km (0.111 R)
• M18: 21,622,278 km (0.115 R)
• M19: 22,559,808 km (0.039 R)
• M20: 26,746,155 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 5.5

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 15.68 AU - 18.04 AU

Year: 25807 Days

Day: 22.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,759,257 km

• M1: 76,445 km (0.074 R)
• M2: 286,630 km (0.106 R)
• M3: 489,335 km (0.104 R)
• M4: 1,608,776 km (0.114 R)
• M5: 2,319,216 km (0.117 R)
• M6: 2,536,881 km (0.115 R)
• M7: 4,907,259 km (0.101 R)
• M8: 7,337,476 km (0.094 R)
• M9: 9,450,995 km (0.109 R)
• M10: 19,548,702 km (0.096 R)
• M11: 25,707,197 km (0.111 R)
• M12: 29,163,357 km (0.068 R)
• M13: 30,103,131 km (0.085 R)
• M14: 31,919,249 km (0.106 R)
• M15: 48,820,517 km (0.118 R)
• M16: 53,382,953 km (0.109 R)
• M17: 63,344,226 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 16,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit