🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.51 AU - 0.57 AU

Year: 181 Days

Day: 27.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,190,891 km

• M1: 411,394 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.68 AU - 0.8 AU

Year: 291 Days

Day: 31 Hours

Environment

Temp: -36 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.77 AU - 1.25 AU

Year: 463 Days

Day: 31.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.8

Radius: 8.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.78 AU - 5.04 AU

Year: 4228 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,190,891 km

• M1: 106,514 km (0.067 R)
• M2: 373,695 km (0.109 R)
• M3: 911,799 km (0.112 R)
• M4: 1,194,539 km (0.09 R)
• M5: 1,569,880 km (0.114 R)
• M6: 3,081,417 km (0.11 R)
• M7: 3,415,319 km (0.101 R)
• M8: 3,732,317 km (0.1 R)
• M9: 6,038,518 km (0.116 R)
• M10: 7,342,862 km (0.102 R)
• M11: 10,622,047 km (0.069 R)
• M12: 12,143,009 km (0.116 R)
• M13: 15,397,062 km (0.09 R)
• M14: 16,768,276 km (0.052 R)
• M15: 17,052,063 km (0.115 R)
• M16: 18,458,732 km (0.111 R)
• M17: 20,388,095 km (0.114 R)
• M18: 20,711,526 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 11.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.42 AU - 4.62 AU

Year: 4387 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,190,891 km

• M1: 148,850 km (0.119 R)
• M2: 608,564 km (0.119 R)
• M3: 1,006,644 km (0.106 R)
• M4: 2,026,154 km (0.055 R)
• M5: 2,463,279 km (0.064 R)
• M6: 2,882,003 km (0.089 R)
• M7: 3,393,478 km (0.096 R)
• M8: 3,849,004 km (0.043 R)
• M9: 4,274,310 km (0.08 R)
• M10: 4,788,029 km (0.061 R)
• M11: 5,220,367 km (0.098 R)
• M12: 6,463,376 km (0.07 R)
• M13: 7,787,766 km (0.048 R)
• M14: 8,989,037 km (0.103 R)
• M15: 11,169,276 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.4

Radius: 13.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.87 AU - 5.19 AU

Year: 4402 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,190,891 km

• M1: 169,345 km (0.083 R)
• M2: 617,839 km (0.037 R)
• M3: 1,094,159 km (0.066 R)
• M4: 1,561,203 km (0.066 R)
• M5: 2,660,449 km (0.049 R)
• M6: 3,591,246 km (0.117 R)
• M7: 4,388,304 km (0.106 R)
• M8: 5,009,135 km (0.089 R)
• M9: 5,436,686 km (0.096 R)
• M10: 6,005,607 km (0.093 R)
• M11: 6,582,905 km (0.11 R)
• M12: 7,743,335 km (0.107 R)
• M13: 8,766,585 km (0.111 R)
• M14: 9,878,097 km (0.101 R)
• M15: 10,554,130 km (0.11 R)
• M16: 11,442,592 km (0.119 R)
• M17: 12,967,143 km (0.115 R)
• M18: 15,058,522 km (0.109 R)
• M19: 15,727,523 km (0.088 R)
• M20: 16,709,334 km (0.081 R)
• M21: 18,226,705 km (0.082 R)
• M22: 22,241,164 km (0.095 R)
• M23: 25,379,279 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 10.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.13 AU - 6.95 AU

Year: 6777 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,190,891 km

• M1: 134,339 km (0.111 R)
• M2: 521,498 km (0.12 R)
• M3: 1,034,918 km (0.108 R)
• M4: 1,926,521 km (0.073 R)
• M5: 2,376,362 km (0.035 R)
• M6: 3,551,453 km (0.045 R)
• M7: 4,870,159 km (0.027 R)
• M8: 6,553,434 km (0.104 R)
• M9: 7,754,106 km (0.099 R)
• M10: 8,258,850 km (0.066 R)
• M11: 9,494,827 km (0.105 R)
• M12: 10,717,939 km (0.115 R)
• M13: 11,118,114 km (0.117 R)
• M14: 11,528,311 km (0.074 R)
• M15: 12,186,392 km (0.104 R)
• M16: 13,119,434 km (0.111 R)
• M17: 14,152,258 km (0.071 R)
• M18: 16,970,682 km (0.106 R)
• M19: 22,370,118 km (0.077 R)
• M20: 23,172,112 km (0.058 R)
• M21: 27,471,555 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.3

Radius: 7.4

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 13.39 AU - 13.71 AU

Year: 22772 Days

Day: 24.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,190,891 km

• M1: 92,003 km (0.068 R)
• M2: 449,841 km (0.098 R)
• M3: 1,108,221 km (0.112 R)
• M4: 2,052,483 km (0.119 R)
• M5: 2,508,158 km (0.058 R)
• M6: 2,979,092 km (0.053 R)
• M7: 3,677,864 km (0.049 R)
• M8: 3,913,630 km (0.115 R)
• M9: 5,585,835 km (0.096 R)
• M10: 6,950,317 km (0.116 R)
• M11: 7,686,189 km (0.119 R)
• M12: 7,926,443 km (0.071 R)
• M13: 9,044,089 km (0.104 R)
• M14: 10,673,210 km (0.115 R)
• M15: 12,956,073 km (0.098 R)
• M16: 13,925,767 km (0.086 R)
• M17: 15,317,924 km (0.072 R)
• M18: 16,243,486 km (0.066 R)
• M19: 22,011,232 km (0.094 R)
• M20: 22,301,751 km (0.046 R)
• M21: 30,185,858 km (0.09 R)
• M22: 33,390,095 km (0.071 R)
• M23: 39,175,045 km (0.12 R)
• M24: 42,978,271 km (0.062 R)
• M25: 45,437,062 km (0.066 R)
• M26: 46,701,014 km (0.113 R)
• M27: 55,314,411 km (0.03 R)
• M28: 65,926,884 km (0.114 R)
• M29: 68,777,172 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 15,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit