🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.48 AU - 0.76 AU

Year: 187 Days

Day: 42.9 Hours

Environment

Temp: 123 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.6 AU - 0.9 AU

Year: 249 Days

Day: 39.8 Hours

Environment

Temp: 87 °C

Axial Tilt: 49.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.86 AU - 0.92 AU

Year: 321 Days

Day: 27.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.91 AU - 1.01 AU

Year: 360 Days

Day: 42.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 126.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 58,341,042 km

• M1: 85,121 km (0.088 R)
• M2: 123,568 km (0.113 R)

Asteroid Belt

Center: 3.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 13.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.5 AU - 5.74 AU

Year: 5101 Days

Day: 5.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,341,042 km

• M1: 259,253 km (0.067 R)
• M2: 692,937 km (0.105 R)
• M3: 1,182,122 km (0.107 R)
• M4: 1,623,885 km (0.114 R)
• M5: 2,119,652 km (0.068 R)
• M6: 2,621,254 km (0.077 R)
• M7: 3,094,432 km (0.117 R)
• M8: 4,665,060 km (0.051 R)
• M9: 5,103,382 km (0.114 R)
• M10: 6,979,489 km (0.111 R)
• M11: 7,443,242 km (0.05 R)
• M12: 11,105,996 km (0.069 R)
• M13: 15,052,089 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 10.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.15 AU - 6.33 AU

Year: 5968 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,341,042 km

• M1: 135,835 km (0.053 R)
• M2: 491,579 km (0.071 R)
• M3: 869,463 km (0.079 R)
• M4: 1,326,185 km (0.074 R)
• M5: 2,307,547 km (0.036 R)
• M6: 2,983,430 km (0.12 R)
• M7: 3,347,402 km (0.087 R)
• M8: 3,856,035 km (0.059 R)
• M9: 4,390,249 km (0.112 R)
• M10: 5,283,797 km (0.082 R)
• M11: 5,758,770 km (0.11 R)
• M12: 6,658,601 km (0.033 R)
• M13: 7,538,985 km (0.082 R)
• M14: 8,336,940 km (0.052 R)
• M15: 9,232,433 km (0.117 R)
• M16: 9,573,516 km (0.092 R)
• M17: 10,647,778 km (0.081 R)
• M18: 11,750,913 km (0.113 R)
• M19: 12,202,848 km (0.111 R)
• M20: 12,718,362 km (0.07 R)
• M21: 13,088,019 km (0.096 R)
• M22: 13,683,119 km (0.083 R)
• M23: 14,869,580 km (0.066 R)
• M24: 18,101,043 km (0.093 R)
• M25: 19,880,360 km (0.084 R)
• M26: 20,378,671 km (0.116 R)
• M27: 23,074,574 km (0.113 R)
• M28: 24,834,144 km (0.115 R)
• M29: 25,746,841 km (0.103 R)
• M30: 26,595,809 km (0.112 R)
• M31: 27,904,042 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659

Radius: 11.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.86 AU - 9.28 AU

Year: 9606 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,341,042 km

• M1: 146,756 km (0.081 R)
• M2: 530,923 km (0.098 R)
• M3: 1,010,982 km (0.119 R)
• M4: 1,767,200 km (0.037 R)
• M5: 2,218,536 km (0.093 R)
• M6: 2,666,432 km (0.063 R)
• M7: 3,926,645 km (0.08 R)
• M8: 4,853,703 km (0.05 R)
• M9: 5,257,019 km (0.111 R)
• M10: 11,304,064 km (0.071 R)
• M11: 12,933,035 km (0.092 R)
• M12: 14,206,711 km (0.09 R)
• M13: 15,495,946 km (0.073 R)
• M14: 17,286,483 km (0.109 R)
• M15: 18,529,491 km (0.066 R)
• M16: 22,022,303 km (0.075 R)
• M17: 22,787,346 km (0.059 R)
• M18: 24,280,632 km (0.083 R)
• M19: 24,731,969 km (0.119 R)
• M20: 29,050,111 km (0.113 R)
• M21: 30,177,481 km (0.111 R)
• M22: 31,654,161 km (0.058 R)
• M23: 34,071,065 km (0.068 R)
• M24: 41,028,712 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.6

Radius: 13

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.9 AU - 13.78 AU

Year: 14621 Days

Day: 6 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,341,042 km

• M1: 162,014 km (0.046 R)
• M2: 644,168 km (0.086 R)
• M3: 1,238,820 km (0.053 R)
• M4: 2,097,961 km (0.056 R)
• M5: 3,742,340 km (0.1 R)
• M6: 4,529,973 km (0.078 R)
• M7: 5,216,927 km (0.089 R)
• M8: 5,676,192 km (0.102 R)
• M9: 7,746,178 km (0.095 R)
• M10: 8,877,287 km (0.032 R)
• M11: 14,591,926 km (0.065 R)
• M12: 16,238,849 km (0.06 R)
• M13: 18,650,666 km (0.084 R)
• M14: 20,070,200 km (0.074 R)
• M15: 21,470,885 km (0.115 R)
• M16: 24,466,283 km (0.1 R)
• M17: 25,658,129 km (0.052 R)
• M18: 27,306,997 km (0.043 R)
• M19: 30,700,924 km (0.093 R)
• M20: 34,984,210 km (0.062 R)
• M21: 42,413,839 km (0.107 R)
• M22: 42,981,563 km (0.08 R)
• M23: 45,451,423 km (0.094 R)
• M24: 50,038,244 km (0.06 R)
• M25: 50,991,332 km (0.056 R)
• M26: 52,118,402 km (0.061 R)
• M27: 52,933,561 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.2

Radius: 6.1

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 10.03 AU - 15.27 AU

Year: 17227 Days

Day: 24.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,341,042 km

• M1: 75,996 km (0.114 R)
• M2: 272,567 km (0.061 R)
• M3: 501,302 km (0.076 R)
• M4: 911,949 km (0.102 R)
• M5: 1,123,779 km (0.088 R)
• M6: 1,541,456 km (0.099 R)
• M7: 2,075,970 km (0.073 R)
• M8: 2,325,798 km (0.104 R)
• M9: 2,617,065 km (0.046 R)
• M10: 3,426,838 km (0.084 R)
• M11: 3,694,020 km (0.077 R)
• M12: 5,934,099 km (0.07 R)
• M13: 7,099,915 km (0.118 R)
• M14: 7,624,405 km (0.097 R)
• M15: 9,982,816 km (0.106 R)
• M16: 15,710,469 km (0.101 R)
• M17: 16,374,235 km (0.057 R)
• M18: 16,826,918 km (0.075 R)
• M19: 18,154,898 km (0.073 R)
• M20: 18,477,282 km (0.094 R)
• M21: 19,216,445 km (0.088 R)
• M22: 20,318,832 km (0.088 R)
• M23: 20,753,862 km (0.078 R)
• M24: 21,195,026 km (0.093 R)
• M25: 31,617,360 km (0.117 R)
• M26: 32,437,007 km (0.107 R)
• M27: 36,238,139 km (0.073 R)
• M28: 46,339,736 km (0.075 R)
• M29: 48,161,688 km (0.079 R)
• M30: 49,246,422 km (0.111 R)
• M31: 50,188,889 km (0.11 R)
• M32: 52,924,735 km (0.104 R)
• M33: 57,644,697 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 20,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit