🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.39 AU - 0.63 AU

Year: 235 Days

Day: 46.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 11.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.88 AU - 1.4 AU

Year: 786 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,516,525 km

• M1: 146,157 km (0.09 R)
• M2: 654,341 km (0.067 R)
• M3: 1,019,509 km (0.112 R)
• M4: 1,409,661 km (0.065 R)
• M5: 2,430,068 km (0.061 R)
• M6: 2,870,185 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 10.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.9 AU - 1.46 AU

Year: 828 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,516,525 km

• M1: 138,528 km (0.069 R)
• M2: 518,057 km (0.077 R)
• M3: 883,974 km (0.116 R)
• M4: 1,241,363 km (0.088 R)
• M5: 1,808,489 km (0.033 R)
• M6: 2,421,990 km (0.029 R)
• M7: 4,715,774 km (0.1 R)
• M8: 5,378,642 km (0.104 R)
• M9: 6,308,841 km (0.113 R)
• M10: 7,296,786 km (0.083 R)
• M11: 7,888,745 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.9

Radius: 12.4

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.33 AU - 1.91 AU

Year: 1331 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,516,525 km

• M1: 154,235 km (0.107 R)
• M2: 652,845 km (0.085 R)
• M3: 1,059,303 km (0.119 R)
• M4: 1,488,948 km (0.102 R)
• M5: 2,228,859 km (0.107 R)
• M6: 2,938,102 km (0.118 R)
• M7: 3,528,565 km (0.106 R)
• M8: 4,288,672 km (0.064 R)
• M9: 5,833,120 km (0.116 R)
• M10: 6,594,723 km (0.075 R)
• M11: 7,051,595 km (0.029 R)
• M12: 7,529,410 km (0.101 R)
• M13: 8,229,229 km (0.117 R)
• M14: 9,312,617 km (0.036 R)
• M15: 10,936,951 km (0.108 R)
• M16: 12,283,332 km (0.092 R)
• M17: 13,696,583 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 14.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.89 AU - 2.77 AU

Year: 2296 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,516,525 km

• M1: 186,698 km (0.03 R)
• M2: 657,183 km (0.085 R)
• M3: 1,190,201 km (0.085 R)
• M4: 1,711,998 km (0.119 R)
• M5: 2,454,003 km (0.097 R)
• M6: 3,211,866 km (0.092 R)
• M7: 3,810,856 km (0.068 R)
• M8: 4,603,725 km (0.059 R)
• M9: 5,702,072 km (0.087 R)
• M10: 6,281,315 km (0.031 R)
• M11: 6,763,918 km (0.112 R)
• M12: 8,029,516 km (0.107 R)
• M13: 9,085,378 km (0.072 R)
• M14: 9,762,159 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 13

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.61 AU - 3.01 AU

Year: 3041 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,516,525 km

• M1: 161,715 km (0.102 R)
• M2: 750,981 km (0.08 R)
• M3: 1,278,015 km (0.088 R)
• M4: 1,886,280 km (0.103 R)
• M5: 2,399,550 km (0.087 R)
• M6: 2,848,792 km (0.086 R)
• M7: 3,388,990 km (0.096 R)
• M8: 4,195,771 km (0.063 R)
• M9: 4,898,582 km (0.101 R)
• M10: 7,456,855 km (0.073 R)
• M11: 8,392,441 km (0.06 R)
• M12: 9,475,080 km (0.115 R)
• M13: 13,595,754 km (0.109 R)
• M14: 14,704,573 km (0.037 R)
• M15: 15,673,818 km (0.076 R)
• M16: 16,428,240 km (0.113 R)
• M17: 17,525,091 km (0.065 R)
• M18: 17,955,634 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 8.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.38 AU - 3.64 AU

Year: 3372 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,516,525 km

• M1: 103,223 km (0.095 R)
• M2: 367,263 km (0.059 R)
• M3: 683,213 km (0.118 R)
• M4: 1,154,896 km (0.093 R)
• M5: 1,690,905 km (0.036 R)
• M6: 2,396,259 km (0.087 R)
• M7: 2,720,288 km (0.116 R)
• M8: 3,537,690 km (0.101 R)
• M9: 5,627,274 km (0.089 R)
• M10: 6,131,867 km (0.042 R)
• M11: 6,591,731 km (0.109 R)
• M12: 7,717,455 km (0.113 R)
• M13: 8,905,561 km (0.053 R)
• M14: 9,212,835 km (0.091 R)
• M15: 10,650,471 km (0.106 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: 475 - 16,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit