🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.53 AU - 0.53 AU

Year: 249 Days

Day: 16.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,697,327 km

• M1: 72,705 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.52 AU - 0.58 AU

Year: 263 Days

Day: 19.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,697,327 km

• M1: 30,368 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.65 AU - 0.65 AU

Year: 338 Days

Day: 47.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 14.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.15 AU - 1.47 AU

Year: 968 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,697,327 km

• M1: 180,415 km (0.106 R)
• M2: 638,334 km (0.081 R)
• M3: 1,119,142 km (0.068 R)
• M4: 1,713,793 km (0.105 R)
• M5: 2,310,390 km (0.053 R)
• M6: 3,168,932 km (0.089 R)
• M7: 3,715,562 km (0.08 R)
• M8: 4,613,299 km (0.116 R)
• M9: 5,576,560 km (0.098 R)
• M10: 6,585,897 km (0.106 R)
• M11: 7,760,689 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 10.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.02 AU - 1.6 AU

Year: 968 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,697,327 km

• M1: 130,749 km (0.071 R)
• M2: 638,484 km (0.117 R)
• M3: 1,083,089 km (0.107 R)
• M4: 1,445,415 km (0.092 R)
• M5: 1,916,798 km (0.066 R)
• M6: 2,245,614 km (0.097 R)
• M7: 2,956,802 km (0.106 R)
• M8: 4,257,406 km (0.101 R)
• M9: 4,893,795 km (0.111 R)
• M10: 5,402,428 km (0.087 R)
• M11: 6,169,416 km (0.097 R)
• M12: 7,774,302 km (0.08 R)
• M13: 8,116,133 km (0.115 R)
• M14: 8,856,344 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.9

Radius: 12

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.08 AU - 3.54 AU

Year: 3888 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,697,327 km

• M1: 149,299 km (0.046 R)
• M2: 638,185 km (0.101 R)
• M3: 1,179,878 km (0.118 R)
• M4: 1,752,838 km (0.086 R)
• M5: 2,192,656 km (0.113 R)
• M6: 2,722,083 km (0.082 R)
• M7: 3,755,056 km (0.034 R)
• M8: 4,517,856 km (0.117 R)
• M9: 6,640,949 km (0.064 R)
• M10: 9,396,841 km (0.11 R)
• M11: 9,888,868 km (0.113 R)
• M12: 10,842,255 km (0.042 R)
• M13: 11,341,463 km (0.118 R)
• M14: 13,210,689 km (0.112 R)
• M15: 15,432,666 km (0.078 R)
• M16: 15,905,395 km (0.082 R)
• M17: 16,934,928 km (0.105 R)
• M18: 18,066,187 km (0.086 R)
• M19: 21,050,066 km (0.113 R)
• M20: 22,290,831 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 14.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.96 AU - 4.12 AU

Year: 4301 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,697,327 km

• M1: 182,809 km (0.071 R)
• M2: 657,034 km (0.093 R)
• M3: 1,143,077 km (0.09 R)
• M4: 1,701,377 km (0.099 R)
• M5: 2,746,617 km (0.036 R)
• M6: 3,863,963 km (0.065 R)
• M7: 4,354,794 km (0.065 R)
• M8: 5,238,618 km (0.094 R)
• M9: 5,932,304 km (0.107 R)
• M10: 6,621,651 km (0.071 R)
• M11: 7,121,756 km (0.104 R)
• M12: 7,611,540 km (0.036 R)
• M13: 9,299,153 km (0.098 R)
• M14: 10,363,243 km (0.115 R)
• M15: 10,993,648 km (0.105 R)
• M16: 12,531,365 km (0.096 R)
• M17: 14,208,357 km (0.064 R)
• M18: 16,875,089 km (0.079 R)
• M19: 18,326,786 km (0.033 R)
• M20: 20,483,090 km (0.078 R)
• M21: 24,418,860 km (0.054 R)
• M22: 26,191,595 km (0.099 R)
• M23: 28,135,171 km (0.082 R)
• M24: 29,721,955 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.8

Radius: 3.7

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.42 AU - 10.42 AU

Year: 17201 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,697,327 km

• M1: 46,076 km (0.068 R)
• M2: 161,416 km (0.03 R)
• M3: 658,530 km (0.094 R)
• M4: 866,321 km (0.095 R)
• M5: 1,226,553 km (0.104 R)
• M6: 1,571,825 km (0.114 R)
• M7: 1,808,189 km (0.096 R)
• M8: 1,926,372 km (0.115 R)
• M9: 3,410,981 km (0.089 R)
• M10: 5,314,764 km (0.082 R)
• M11: 5,701,025 km (0.041 R)
• M12: 10,484,716 km (0.086 R)
• M13: 10,923,337 km (0.061 R)
• M14: 17,866,922 km (0.074 R)
• M15: 30,574,214 km (0.103 R)
• M16: 33,895,586 km (0.072 R)
• M17: 40,839,770 km (0.111 R)
• M18: 40,974,109 km (0.113 R)
• M19: 50,662,067 km (0.058 R)
• M20: 52,069,484 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.7

Radius: 3.9

Gravity: 52.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.69 AU - 11.45 AU

Year: 20633 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 81,697,327 km

• M1: 56,997 km (0.077 R)
• M2: 207,941 km (0.112 R)
• M3: 691,890 km (0.116 R)
• M4: 894,446 km (0.117 R)
• M5: 1,355,058 km (0.115 R)
• M6: 1,958,535 km (0.114 R)
• M7: 2,576,225 km (0.093 R)
• M8: 3,670,533 km (0.113 R)
• M9: 4,635,739 km (0.033 R)
• M10: 5,842,096 km (0.064 R)
• M11: 6,228,208 km (0.106 R)
• M12: 8,909,900 km (0.057 R)
• M13: 9,951,400 km (0.044 R)
• M14: 12,692,183 km (0.069 R)
• M15: 13,558,803 km (0.12 R)
• M16: 14,774,884 km (0.119 R)
• M17: 15,248,960 km (0.093 R)
• M18: 15,896,868 km (0.111 R)
• M19: 16,061,725 km (0.03 R)
• M20: 18,764,061 km (0.094 R)
• M21: 19,226,618 km (0.113 R)
• M22: 19,601,959 km (0.089 R)
• M23: 20,270,661 km (0.066 R)
• M24: 22,574,917 km (0.092 R)
• M25: 24,168,284 km (0.113 R)
• M26: 25,159,370 km (0.034 R)
• M27: 31,550,939 km (0.086 R)
• M28: 31,811,239 km (0.093 R)
• M29: 33,403,559 km (0.056 R)
• M30: 35,048,238 km (0.064 R)
• M31: 36,746,024 km (0.033 R)
• M32: 42,167,002 km (0.094 R)
• M33: 43,119,342 km (0.072 R)
• M34: 44,086,044 km (0.111 R)
• M35: 44,411,419 km (0.069 R)
• M36: 47,754,034 km (0.113 R)
• M37: 52,527,104 km (0.115 R)
• M38: 60,567,989 km (0.062 R)
• M39: 61,171,916 km (0.056 R)
• M40: 62,391,587 km (0.11 R)
• M41: 65,723,281 km (0.114 R)
• M42: 66,147,990 km (0.107 R)
• M43: 68,298,459 km (0.114 R)
• M44: 76,660,681 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 18,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit