🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.74 AU

Year: 205 Days

Day: 33.1 Hours

Environment

Temp: 110 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,727,778 km

• M1: 496,665 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.61 AU - 0.81 AU

Year: 229 Days

Day: 24.1 Hours

Environment

Temp: 98 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 14.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.71 AU - 4.81 AU

Year: 3367 Days

Day: 14.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,727,778 km

• M1: 180,565 km (0.044 R)
• M2: 756,816 km (0.084 R)
• M3: 1,262,756 km (0.082 R)
• M4: 2,255,786 km (0.095 R)
• M5: 2,915,962 km (0.074 R)
• M6: 3,375,826 km (0.066 R)
• M7: 4,627,960 km (0.107 R)
• M8: 5,412,601 km (0.084 R)
• M9: 5,974,640 km (0.105 R)
• M10: 8,483,097 km (0.078 R)
• M11: 9,356,300 km (0.1 R)
• M12: 10,450,159 km (0.108 R)
• M13: 12,475,714 km (0.062 R)
• M14: 13,508,987 km (0.117 R)
• M15: 14,046,642 km (0.092 R)
• M16: 15,269,455 km (0.07 R)
• M17: 16,728,632 km (0.086 R)
• M18: 17,810,075 km (0.093 R)
• M19: 18,338,305 km (0.098 R)
• M20: 22,538,116 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 9.2

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.35 AU - 7.45 AU

Year: 6199 Days

Day: 9.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,727,778 km

• M1: 114,742 km (0.12 R)
• M2: 449,691 km (0.095 R)
• M3: 856,747 km (0.049 R)
• M4: 1,198,429 km (0.066 R)
• M5: 1,580,053 km (0.078 R)
• M6: 2,381,748 km (0.11 R)
• M7: 3,323,765 km (0.115 R)
• M8: 3,915,575 km (0.118 R)
• M9: 4,339,535 km (0.108 R)
• M10: 4,766,188 km (0.047 R)
• M11: 6,829,442 km (0.077 R)
• M12: 9,603,435 km (0.101 R)
• M13: 11,687,782 km (0.095 R)
• M14: 12,943,507 km (0.063 R)
• M15: 14,114,260 km (0.081 R)
• M16: 14,403,133 km (0.082 R)
• M17: 17,118,036 km (0.098 R)
• M18: 17,446,702 km (0.116 R)
• M19: 18,734,291 km (0.103 R)
• M20: 27,547,550 km (0.107 R)
• M21: 28,181,247 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 12.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.49 AU - 7.41 AU

Year: 6272 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,727,778 km

• M1: 150,495 km (0.106 R)
• M2: 531,671 km (0.081 R)
• M3: 1,285,495 km (0.119 R)
• M4: 1,751,342 km (0.068 R)
• M5: 2,598,365 km (0.114 R)
• M6: 5,405,270 km (0.095 R)
• M7: 7,737,351 km (0.06 R)
• M8: 9,623,481 km (0.077 R)
• M9: 10,290,090 km (0.088 R)
• M10: 11,347,746 km (0.115 R)
• M11: 14,665,678 km (0.095 R)
• M12: 15,449,271 km (0.06 R)
• M13: 16,887,356 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 15

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.94 AU - 7.2 AU

Year: 6448 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,727,778 km

• M1: 187,297 km (0.048 R)
• M2: 728,691 km (0.03 R)
• M3: 1,374,954 km (0.118 R)
• M4: 1,938,489 km (0.09 R)
• M5: 2,583,256 km (0.104 R)
• M6: 3,458,254 km (0.117 R)
• M7: 5,276,915 km (0.087 R)
• M8: 5,773,281 km (0.098 R)
• M9: 6,860,558 km (0.077 R)
• M10: 9,512,629 km (0.11 R)
• M11: 12,309,810 km (0.112 R)
• M12: 14,344,042 km (0.11 R)
• M13: 14,873,768 km (0.095 R)
• M14: 15,819,376 km (0.114 R)
• M15: 17,556,806 km (0.037 R)
• M16: 19,476,895 km (0.116 R)
• M17: 19,948,278 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.5

Radius: 5.6

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 11.79 AU - 12.97 AU

Year: 16678 Days

Day: 23.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,727,778 km

• M1: 69,713 km (0.106 R)
• M2: 1,608,626 km (0.1 R)
• M3: 2,227,961 km (0.109 R)
• M4: 4,530,422 km (0.108 R)
• M5: 5,230,091 km (0.075 R)
• M6: 6,526,955 km (0.077 R)
• M7: 9,788,189 km (0.106 R)
• M8: 10,841,806 km (0.101 R)
• M9: 13,738,919 km (0.075 R)
• M10: 27,219,033 km (0.101 R)
• M11: 34,676,487 km (0.07 R)
• M12: 42,976,028 km (0.098 R)
• M13: 43,941,831 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 15,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit