🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.7

Radius: 11.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.76 AU - 1.22 AU

Year: 636 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 40,785,023 km

• M1: 141,669 km (0.116 R)
• M2: 597,643 km (0.047 R)
• M3: 1,832,873 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.9

Radius: 11.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.07 AU - 1.33 AU

Year: 849 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,785,023 km

• M1: 145,559 km (0.082 R)
• M2: 525,238 km (0.097 R)
• M3: 1,050,775 km (0.056 R)
• M4: 1,609,972 km (0.098 R)
• M5: 2,261,172 km (0.074 R)
• M6: 2,883,349 km (0.078 R)
• M7: 3,276,642 km (0.096 R)
• M8: 3,848,405 km (0.089 R)
• M9: 4,738,662 km (0.1 R)
• M10: 5,241,161 km (0.087 R)
• M11: 5,778,816 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 13.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.66 AU - 1.76 AU

Year: 1444 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 147.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,785,023 km

• M1: 166,652 km (0.087 R)
• M2: 600,785 km (0.057 R)
• M3: 1,062,145 km (0.099 R)
• M4: 1,635,853 km (0.092 R)
• M5: 2,580,264 km (0.09 R)
• M6: 3,384,801 km (0.102 R)
• M7: 3,953,124 km (0.05 R)
• M8: 4,500,203 km (0.112 R)
• M9: 5,511,934 km (0.082 R)
• M10: 6,409,072 km (0.115 R)
• M11: 6,960,789 km (0.078 R)
• M12: 7,448,777 km (0.032 R)
• M13: 8,943,260 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 9.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.17 AU - 4.65 AU

Year: 4992 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,785,023 km

• M1: 118,182 km (0.062 R)
• M2: 428,299 km (0.064 R)
• M3: 1,085,033 km (0.106 R)
• M4: 1,499,120 km (0.091 R)
• M5: 1,796,820 km (0.117 R)
• M6: 2,149,422 km (0.108 R)
• M7: 2,703,682 km (0.052 R)
• M8: 3,330,198 km (0.113 R)
• M9: 3,980,949 km (0.113 R)
• M10: 4,585,923 km (0.107 R)
• M11: 5,223,359 km (0.105 R)
• M12: 5,888,471 km (0.119 R)
• M13: 7,109,639 km (0.101 R)
• M14: 8,415,179 km (0.073 R)
• M15: 9,831,273 km (0.102 R)
• M16: 11,119,909 km (0.088 R)
• M17: 12,367,854 km (0.107 R)
• M18: 13,129,008 km (0.118 R)
• M19: 15,600,365 km (0.107 R)
• M20: 19,089,137 km (0.069 R)
• M21: 22,615,757 km (0.068 R)
• M22: 29,837,445 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.3

Radius: 3

Gravity: 33.26 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.09 AU - 10.57 AU

Year: 16942 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,785,023 km

• M1: 40,840 km (0.082 R)
• M2: 191,485 km (0.05 R)
• M3: 426,204 km (0.049 R)
• M4: 834,756 km (0.11 R)
• M5: 1,183,319 km (0.098 R)
• M6: 1,363,435 km (0.118 R)
• M7: 1,488,499 km (0.112 R)
• M8: 1,996,683 km (0.106 R)
• M9: 2,121,747 km (0.113 R)
• M10: 2,569,792 km (0.078 R)
• M11: 3,519,739 km (0.1 R)
• M12: 3,809,809 km (0.056 R)
• M13: 4,999,710 km (0.058 R)
• M14: 7,468,973 km (0.088 R)
• M15: 8,216,065 km (0.118 R)
• M16: 8,537,700 km (0.048 R)
• M17: 9,754,978 km (0.096 R)
• M18: 12,052,203 km (0.075 R)
• M19: 12,347,659 km (0.098 R)
• M20: 15,227,418 km (0.116 R)
• M21: 15,642,253 km (0.1 R)
• M22: 17,452,387 km (0.075 R)
• M23: 17,678,429 km (0.118 R)
• M24: 18,213,840 km (0.086 R)
• M25: 19,721,188 km (0.081 R)
• M26: 22,801,408 km (0.111 R)
• M27: 24,081,068 km (0.076 R)
• M28: 29,358,881 km (0.116 R)
• M29: 29,571,909 km (0.082 R)
• M30: 34,404,070 km (0.041 R)
• M31: 34,522,252 km (0.105 R)
• M32: 35,117,502 km (0.107 R)
• M33: 39,090,073 km (0.093 R)
• M34: 45,451,573 km (0.112 R)
• M35: 49,853,042 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.9

Radius: 3.7

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.85 AU - 10.73 AU

Year: 21313 Days

Day: 24.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,785,023 km

• M1: 46,824 km (0.089 R)
• M2: 303,983 km (0.091 R)
• M3: 541,694 km (0.082 R)
• M4: 949,946 km (0.047 R)
• M5: 1,661,434 km (0.112 R)
• M6: 1,931,009 km (0.045 R)
• M7: 2,109,629 km (0.088 R)
• M8: 4,011,317 km (0.116 R)
• M9: 6,640,799 km (0.106 R)
• M10: 9,157,185 km (0.109 R)
• M11: 10,625,638 km (0.08 R)
• M12: 20,055,689 km (0.106 R)
• M13: 22,590,475 km (0.072 R)
• M14: 24,020,182 km (0.073 R)
• M15: 35,529,045 km (0.047 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 20,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit