🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.46 AU - 0.64 AU

Year: 157 Days

Day: 34.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.43 AU - 0.71 AU

Year: 166 Days

Day: 41.3 Hours

Environment

Temp: 145 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.83 AU - 0.99 AU

Year: 334 Days

Day: 39.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 104,119,622 km

• M1: 129,103 km (0.115 R)
• M2: 148,102 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.1 AU - 1.74 AU

Year: 651 Days

Day: 16.1 Hours

Environment

Temp: -51 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,119,622 km

• M1: 40,840 km (0.109 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.44 AU - 2.82 AU

Year: 1642 Days

Day: 21.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.51 AU - 4.11 AU

Year: 2319 Days

Day: 28.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,119,622 km

• M1: 19,747 km (0.034 R)

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 9.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.27 AU - 6.25 AU

Year: 4645 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 104,119,622 km

• M1: 116,986 km (0.077 R)
• M2: 578,944 km (0.082 R)
• M3: 1,136,345 km (0.116 R)
• M4: 1,500,766 km (0.052 R)
• M5: 2,470,758 km (0.074 R)
• M6: 3,055,537 km (0.115 R)
• M7: 3,352,189 km (0.096 R)
• M8: 4,811,816 km (0.1 R)
• M9: 5,559,954 km (0.118 R)
• M10: 6,503,468 km (0.086 R)
• M11: 6,809,396 km (0.091 R)
• M12: 8,852,753 km (0.114 R)
• M13: 10,971,657 km (0.113 R)
• M14: 11,538,933 km (0.067 R)
• M15: 12,543,632 km (0.114 R)
• M16: 13,457,226 km (0.097 R)
• M17: 15,042,066 km (0.086 R)
• M18: 16,295,846 km (0.111 R)
• M19: 18,335,463 km (0.069 R)
• M20: 19,511,153 km (0.087 R)
• M21: 20,736,359 km (0.039 R)
• M22: 23,553,886 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 13.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.43 AU - 6.41 AU

Year: 4858 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 104,119,622 km

• M1: 172,935 km (0.115 R)
• M2: 619,934 km (0.081 R)
• M3: 1,124,527 km (0.075 R)
• M4: 1,675,646 km (0.05 R)
• M5: 2,358,410 km (0.075 R)
• M6: 3,322,868 km (0.1 R)
• M7: 4,000,546 km (0.085 R)
• M8: 4,536,107 km (0.052 R)
• M9: 5,202,864 km (0.11 R)
• M10: 6,834,080 km (0.085 R)
• M11: 8,160,414 km (0.038 R)
• M12: 8,625,664 km (0.104 R)
• M13: 9,398,486 km (0.068 R)
• M14: 17,529,430 km (0.08 R)
• M15: 18,438,237 km (0.107 R)
• M16: 19,583,708 km (0.093 R)
• M17: 20,420,409 km (0.038 R)
• M18: 22,240,117 km (0.11 R)
• M19: 25,291,614 km (0.106 R)
• M20: 29,237,408 km (0.083 R)
• M21: 31,735,243 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.8

Radius: 6.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 12.91 AU - 15.91 AU

Year: 21060 Days

Day: 20.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 104,119,622 km

• M1: 87,515 km (0.106 R)
• M2: 398,529 km (0.117 R)
• M3: 614,249 km (0.11 R)
• M4: 901,926 km (0.065 R)
• M5: 1,551,928 km (0.052 R)
• M6: 2,200,435 km (0.114 R)
• M7: 2,556,628 km (0.049 R)
• M8: 3,060,772 km (0.094 R)
• M9: 6,473,549 km (0.103 R)
• M10: 7,047,107 km (0.099 R)
• M11: 8,339,034 km (0.111 R)
• M12: 8,606,366 km (0.079 R)
• M13: 9,017,760 km (0.094 R)
• M14: 9,442,468 km (0.091 R)
• M15: 10,230,101 km (0.103 R)
• M16: 12,275,104 km (0.109 R)
• M17: 14,450,107 km (0.107 R)
• M18: 16,940,463 km (0.1 R)
• M19: 18,852,473 km (0.108 R)
• M20: 19,624,697 km (0.091 R)
• M21: 21,314,854 km (0.107 R)
• M22: 22,493,985 km (0.069 R)
• M23: 24,798,241 km (0.081 R)
• M24: 26,007,440 km (0.116 R)
• M25: 27,060,759 km (0.113 R)
• M26: 28,643,355 km (0.091 R)
• M27: 29,150,342 km (0.07 R)
• M28: 30,286,687 km (0.095 R)
• M29: 32,867,849 km (0.05 R)
• M30: 34,553,518 km (0.115 R)
• M31: 40,588,146 km (0.083 R)
• M32: 42,789,928 km (0.074 R)
• M33: 43,585,639 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.8

Radius: 6

Gravity: 24.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 14.72 AU - 20.24 AU

Year: 28137 Days

Day: 20.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 104,119,622 km

• M1: 74,649 km (0.112 R)
• M2: 292,763 km (0.045 R)
• M3: 691,591 km (0.12 R)
• M4: 1,512,883 km (0.107 R)
• M5: 2,855,823 km (0.12 R)
• M6: 3,483,985 km (0.097 R)
• M7: 4,535,508 km (0.116 R)
• M8: 6,783,515 km (0.072 R)
• M9: 6,986,370 km (0.095 R)
• M10: 7,728,226 km (0.09 R)
• M11: 8,462,901 km (0.045 R)
• M12: 11,725,631 km (0.112 R)
• M13: 12,166,196 km (0.105 R)
• M14: 13,714,534 km (0.112 R)
• M15: 15,044,459 km (0.091 R)
• M16: 18,248,846 km (0.081 R)
• M17: 18,840,356 km (0.114 R)
• M18: 25,354,446 km (0.082 R)
• M19: 27,349,333 km (0.043 R)
• M20: 31,227,658 km (0.095 R)
• M21: 35,915,158 km (0.101 R)
• M22: 38,909,209 km (0.083 R)
• M23: 39,396,599 km (0.115 R)
• M24: 43,096,603 km (0.111 R)
• M25: 43,968,609 km (0.068 R)
• M26: 49,830,153 km (0.075 R)
• M27: 53,545,715 km (0.068 R)
• M28: 61,962,989 km (0.069 R)
• M29: 68,588,529 km (0.074 R)
• M30: 73,423,084 km (0.04 R)
• M31: 78,221,735 km (0.071 R)
• M32: 78,738,745 km (0.053 R)
• M33: 79,257,849 km (0.109 R)
• M34: 90,127,930 km (0.12 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: 349 - 17,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit