🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 10.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 11.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 17,570,062 km

• M1: 132,693 km (0.071 R)
• M2: 653,593 km (0.062 R)
• M3: 1,151,305 km (0.11 R)
• M4: 1,481,617 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 8.3

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.66 AU - 0.78 AU

Year: 422 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,570,062 km

• M1: 103,223 km (0.104 R)
• M2: 413,489 km (0.047 R)
• M3: 686,355 km (0.119 R)
• M4: 1,048,232 km (0.109 R)
• M5: 1,447,958 km (0.082 R)
• M6: 1,955,095 km (0.085 R)
• M7: 2,282,265 km (0.112 R)
• M8: 2,938,102 km (0.047 R)
• M9: 3,228,771 km (0.055 R)
• M10: 3,551,154 km (0.078 R)
• M11: 3,868,601 km (0.11 R)
• M12: 4,359,132 km (0.042 R)
• M13: 5,077,053 km (0.117 R)
• M14: 5,349,470 km (0.087 R)
• M15: 5,941,279 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 11.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.98 AU - 1.22 AU

Year: 796 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,570,062 km

• M1: 139,276 km (0.052 R)
• M2: 518,506 km (0.083 R)
• M3: 1,203,365 km (0.039 R)
• M4: 1,762,413 km (0.108 R)
• M5: 2,226,914 km (0.075 R)
• M6: 2,750,806 km (0.112 R)
• M7: 3,743,986 km (0.071 R)
• M8: 4,896,638 km (0.095 R)
• M9: 6,844,252 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 10.7

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.92 AU - 1.34 AU

Year: 829 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,570,062 km

• M1: 133,740 km (0.112 R)
• M2: 472,879 km (0.053 R)
• M3: 876,195 km (0.094 R)
• M4: 1,343,688 km (0.084 R)
• M5: 1,808,638 km (0.069 R)
• M6: 2,180,090 km (0.118 R)
• M7: 2,725,374 km (0.11 R)
• M8: 3,465,584 km (0.092 R)
• M9: 3,926,944 km (0.108 R)
• M10: 4,334,748 km (0.095 R)
• M11: 4,687,799 km (0.119 R)
• M12: 5,200,471 km (0.07 R)
• M13: 5,674,696 km (0.082 R)
• M14: 7,030,950 km (0.109 R)
• M15: 7,407,189 km (0.119 R)
• M16: 7,890,390 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 14.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.08 AU - 1.34 AU

Year: 919 Days

Day: 8.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,570,062 km

• M1: 184,155 km (0.053 R)
• M2: 710,440 km (0.095 R)
• M3: 1,393,953 km (0.077 R)
• M4: 2,387,133 km (0.108 R)
• M5: 2,948,275 km (0.051 R)
• M6: 3,585,562 km (0.11 R)
• M7: 4,274,011 km (0.082 R)
• M8: 4,901,873 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 12.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.35 AU - 3.69 AU

Year: 3623 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,570,062 km

• M1: 156,629 km (0.11 R)
• M2: 564,134 km (0.028 R)
• M3: 1,025,942 km (0.088 R)
• M4: 1,612,366 km (0.11 R)
• M5: 2,148,973 km (0.09 R)
• M6: 3,055,537 km (0.052 R)
• M7: 3,587,656 km (0.079 R)
• M8: 4,095,391 km (0.114 R)
• M9: 4,815,256 km (0.073 R)
• M10: 5,724,363 km (0.032 R)
• M11: 6,625,690 km (0.071 R)
• M12: 8,532,763 km (0.037 R)
• M13: 8,998,013 km (0.113 R)
• M14: 11,540,877 km (0.088 R)
• M15: 12,066,115 km (0.091 R)
• M16: 14,580,108 km (0.095 R)
• M17: 16,917,574 km (0.107 R)
• M18: 18,410,860 km (0.117 R)
• M19: 18,827,640 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 14

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.86 AU - 3.36 AU

Year: 3786 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,570,062 km

• M1: 174,132 km (0.103 R)
• M2: 667,655 km (0.104 R)
• M3: 1,490,743 km (0.11 R)
• M4: 2,208,214 km (0.08 R)
• M5: 3,311,648 km (0.084 R)
• M6: 4,026,427 km (0.109 R)
• M7: 5,429,655 km (0.05 R)
• M8: 6,858,314 km (0.112 R)
• M9: 7,396,268 km (0.116 R)
• M10: 8,334,546 km (0.079 R)
• M11: 9,248,888 km (0.057 R)
• M12: 10,084,991 km (0.081 R)
• M13: 10,819,666 km (0.086 R)
• M14: 11,277,585 km (0.119 R)
• M15: 12,396,428 km (0.118 R)
• M16: 13,456,777 km (0.056 R)
• M17: 15,183,436 km (0.082 R)
• M18: 15,904,049 km (0.113 R)
• M19: 17,517,911 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 17,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit