🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.2 AU - 3.12 AU

Year: 1830 Days

Day: 35.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.28 AU - 3.22 AU

Year: 1923 Days

Day: 26.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 11.1

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.01 AU - 3.61 AU

Year: 2540 Days

Day: 7.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,791,620 km

• M1: 139,276 km (0.033 R)
• M2: 831,615 km (0.101 R)
• M3: 1,312,422 km (0.07 R)
• M4: 1,774,231 km (0.109 R)
• M5: 2,679,747 km (0.06 R)
• M6: 3,031,750 km (0.102 R)
• M7: 3,451,223 km (0.11 R)
• M8: 6,244,963 km (0.098 R)
• M9: 8,682,062 km (0.106 R)
• M10: 9,351,662 km (0.113 R)
• M11: 9,792,078 km (0.054 R)
• M12: 10,284,854 km (0.097 R)
• M13: 14,162,730 km (0.096 R)
• M14: 14,941,686 km (0.093 R)
• M15: 18,574,520 km (0.087 R)
• M16: 19,389,380 km (0.107 R)
• M17: 20,106,851 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.7

Radius: 11.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.21 AU - 4.05 AU

Year: 2917 Days

Day: 13.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 101 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,791,620 km

• M1: 146,756 km (0.108 R)
• M2: 588,069 km (0.113 R)
• M3: 1,513,781 km (0.09 R)
• M4: 2,310,090 km (0.118 R)
• M5: 3,298,932 km (0.105 R)
• M6: 4,171,088 km (0.079 R)
• M7: 4,810,320 km (0.117 R)
• M8: 6,652,019 km (0.054 R)
• M9: 7,195,209 km (0.117 R)
• M10: 9,059,049 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 10.3

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.63 AU - 5.38 AU

Year: 4715 Days

Day: 12 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,791,620 km

• M1: 128,056 km (0.041 R)
• M2: 494,421 km (0.115 R)
• M3: 1,080,246 km (0.106 R)
• M4: 1,648,569 km (0.117 R)
• M5: 2,017,028 km (0.108 R)
• M6: 2,374,268 km (0.117 R)
• M7: 3,117,769 km (0.12 R)
• M8: 3,754,907 km (0.097 R)
• M9: 4,080,880 km (0.084 R)
• M10: 4,710,538 km (0.068 R)
• M11: 5,203,014 km (0.105 R)
• M12: 5,609,621 km (0.057 R)
• M13: 6,195,446 km (0.111 R)
• M14: 6,889,730 km (0.063 R)
• M15: 8,277,250 km (0.079 R)
• M16: 10,151,113 km (0.031 R)
• M17: 10,603,198 km (0.054 R)
• M18: 10,974,500 km (0.103 R)
• M19: 13,334,406 km (0.068 R)
• M20: 14,098,253 km (0.047 R)
• M21: 16,441,704 km (0.089 R)
• M22: 18,031,630 km (0.112 R)
• M23: 18,830,183 km (0.088 R)
• M24: 20,071,995 km (0.084 R)
• M25: 23,414,460 km (0.084 R)
• M26: 25,423,111 km (0.06 R)
• M27: 26,427,062 km (0.053 R)
• M28: 30,895,850 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.34 AU - 6.06 AU

Year: 5001 Days

Day: 10 Hours

Environment

Temp: -164 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,791,620 km

• M1: 118,182 km (0.103 R)
• M2: 486,043 km (0.05 R)
• M3: 1,182,721 km (0.097 R)
• M4: 1,480,421 km (0.101 R)
• M5: 2,028,996 km (0.092 R)
• M6: 2,412,864 km (0.116 R)
• M7: 2,774,891 km (0.051 R)
• M8: 3,326,757 km (0.112 R)
• M9: 5,704,466 km (0.065 R)
• M10: 6,533,537 km (0.077 R)
• M11: 8,174,327 km (0.106 R)
• M12: 13,519,758 km (0.066 R)
• M13: 20,019,187 km (0.113 R)
• M14: 20,684,598 km (0.075 R)
• M15: 23,641,251 km (0.085 R)
• M16: 26,074,759 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.3

Radius: 5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.94 AU - 14.3 AU

Year: 20043 Days

Day: 23.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,791,620 km

• M1: 62,831 km (0.106 R)
• M2: 348,862 km (0.083 R)
• M3: 1,518,119 km (0.107 R)
• M4: 4,298,994 km (0.111 R)
• M5: 4,732,977 km (0.1 R)
• M6: 5,487,250 km (0.085 R)
• M7: 7,928,538 km (0.103 R)
• M8: 15,196,002 km (0.115 R)
• M9: 17,531,075 km (0.119 R)
• M10: 18,260,814 km (0.113 R)
• M11: 21,219,261 km (0.071 R)
• M12: 24,934,823 km (0.026 R)
• M13: 26,326,532 km (0.059 R)
• M14: 28,261,731 km (0.082 R)
• M15: 44,797,232 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.8

Radius: 6.5

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 11.47 AU - 15.15 AU

Year: 20480 Days

Day: 17.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,791,620 km

• M1: 81,232 km (0.06 R)
• M2: 559,346 km (0.07 R)
• M3: 2,640,103 km (0.047 R)
• M4: 2,908,631 km (0.03 R)
• M5: 3,269,611 km (0.059 R)
• M6: 6,607,140 km (0.071 R)
• M7: 8,645,710 km (0.056 R)
• M8: 11,012,946 km (0.069 R)
• M9: 13,913,350 km (0.109 R)
• M10: 14,728,210 km (0.104 R)
• M11: 15,288,753 km (0.092 R)
• M12: 17,132,547 km (0.115 R)
• M13: 26,915,798 km (0.1 R)
• M14: 27,123,590 km (0.11 R)
• M15: 33,385,009 km (0.114 R)
• M16: 41,922,858 km (0.091 R)
• M17: 45,209,673 km (0.117 R)
• M18: 48,204,024 km (0.071 R)
• M19: 51,968,655 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.5

Radius: 5.3

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 12.24 AU - 14.96 AU

Year: 21153 Days

Day: 20.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,791,620 km

• M1: 66,571 km (0.088 R)
• M2: 330,013 km (0.062 R)
• M3: 617,540 km (0.033 R)
• M4: 882,927 km (0.118 R)
• M5: 2,699,793 km (0.076 R)
• M6: 2,950,369 km (0.098 R)
• M7: 4,144,459 km (0.079 R)
• M8: 4,617,189 km (0.115 R)
• M9: 4,976,373 km (0.097 R)
• M10: 5,709,852 km (0.118 R)
• M11: 8,133,935 km (0.062 R)
• M12: 8,393,039 km (0.034 R)
• M13: 13,830,922 km (0.114 R)
• M14: 16,638,724 km (0.054 R)
• M15: 28,823,171 km (0.106 R)
• M16: 30,530,981 km (0.061 R)
• M17: 32,955,214 km (0.116 R)
• M18: 39,055,516 km (0.109 R)
• M19: 44,414,112 km (0.093 R)
• M20: 51,114,451 km (0.047 R)
• M21: 53,248,614 km (0.101 R)
• M22: 58,074,941 km (0.11 R)
• M23: 58,266,276 km (0.064 R)
• M24: 64,815,372 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 16,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit