🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.46 AU - 0.72 AU

Year: 313 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,914,077 km

• M1: 111,899 km (0.043 R)
• M2: 398,080 km (0.101 R)
• M3: 703,110 km (0.066 R)
• M4: 998,117 km (0.09 R)
• M5: 1,345,483 km (0.119 R)
• M6: 1,846,187 km (0.101 R)
• M7: 2,500,229 km (0.102 R)
• M8: 2,830,990 km (0.052 R)
• M9: 3,171,325 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 8.4

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,914,077 km

• M1: 104,419 km (0.07 R)
• M2: 365,617 km (0.045 R)
• M3: 635,641 km (0.109 R)
• M4: 932,593 km (0.106 R)
• M5: 1,215,034 km (0.037 R)
• M6: 1,522,308 km (0.086 R)
• M7: 1,919,939 km (0.119 R)
• M8: 2,202,679 km (0.103 R)
• M9: 2,569,643 km (0.111 R)
• M10: 3,496,401 km (0.115 R)
• M11: 3,984,838 km (0.117 R)
• M12: 4,504,392 km (0.103 R)
• M13: 5,008,238 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 14.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.97 AU - 1.03 AU

Year: 690 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,914,077 km

• M1: 185,352 km (0.089 R)
• M2: 685,607 km (0.085 R)
• M3: 1,236,875 km (0.091 R)
• M4: 1,777,223 km (0.083 R)
• M5: 2,637,410 km (0.118 R)
• M6: 3,541,580 km (0.096 R)
• M7: 4,052,008 km (0.119 R)
• M8: 4,693,484 km (0.088 R)
• M9: 5,240,713 km (0.097 R)
• M10: 6,756,289 km (0.091 R)
• M11: 7,524,773 km (0.078 R)
• M12: 8,013,360 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 11.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.46 AU - 1.9 AU

Year: 1503 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,914,077 km

• M1: 140,173 km (0.052 R)
• M2: 636,689 km (0.116 R)
• M3: 1,746,555 km (0.07 R)
• M4: 2,252,495 km (0.047 R)
• M5: 3,045,962 km (0.112 R)
• M6: 5,141,828 km (0.11 R)
• M7: 5,553,372 km (0.081 R)
• M8: 6,143,985 km (0.096 R)
• M9: 7,898,319 km (0.099 R)
• M10: 9,870,767 km (0.037 R)
• M11: 10,541,414 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 14.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.79 AU - 2.91 AU

Year: 2487 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,914,077 km

• M1: 182,809 km (0.066 R)
• M2: 693,835 km (0.068 R)
• M3: 1,234,033 km (0.103 R)
• M4: 1,739,674 km (0.112 R)
• M5: 2,226,316 km (0.077 R)
• M6: 3,892,387 km (0.107 R)
• M7: 4,395,634 km (0.092 R)
• M8: 5,964,766 km (0.102 R)
• M9: 8,199,758 km (0.114 R)
• M10: 10,559,665 km (0.099 R)
• M11: 11,875,229 km (0.115 R)
• M12: 12,637,430 km (0.06 R)
• M13: 13,252,726 km (0.11 R)
• M14: 13,888,068 km (0.057 R)
• M15: 15,073,033 km (0.087 R)
• M16: 15,665,291 km (0.076 R)
• M17: 16,582,774 km (0.1 R)
• M18: 17,806,934 km (0.084 R)
• M19: 19,435,307 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 14.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.25 AU - 3.97 AU

Year: 4734 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,914,077 km

• M1: 179,517 km (0.117 R)
• M2: 641,924 km (0.093 R)
• M3: 1,174,942 km (0.061 R)
• M4: 1,900,940 km (0.034 R)
• M5: 3,377,621 km (0.116 R)
• M6: 4,840,538 km (0.118 R)
• M7: 5,471,093 km (0.078 R)
• M8: 6,238,830 km (0.073 R)
• M9: 7,137,913 km (0.051 R)
• M10: 7,859,423 km (0.092 R)
• M11: 8,594,846 km (0.077 R)
• M12: 10,715,097 km (0.029 R)
• M13: 13,535,915 km (0.095 R)
• M14: 14,154,502 km (0.116 R)
• M15: 14,991,951 km (0.095 R)
• M16: 16,283,130 km (0.103 R)
• M17: 17,424,113 km (0.058 R)
• M18: 18,501,666 km (0.111 R)
• M19: 21,167,351 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.7

Radius: 3.5

Gravity: 66.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.35 AU - 9.97 AU

Year: 17591 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,914,077 km

• M1: 56,548 km (0.086 R)
• M2: 198,516 km (0.096 R)
• M3: 558,299 km (0.047 R)
• M4: 777,610 km (0.089 R)
• M5: 954,135 km (0.079 R)
• M6: 1,546,543 km (0.069 R)
• M7: 1,920,687 km (0.095 R)
• M8: 2,098,409 km (0.072 R)
• M9: 2,308,744 km (0.101 R)
• M10: 2,418,998 km (0.04 R)
• M11: 2,771,301 km (0.045 R)
• M12: 3,547,863 km (0.058 R)
• M13: 3,939,062 km (0.051 R)
• M14: 5,134,797 km (0.099 R)
• M15: 8,681,164 km (0.08 R)
• M16: 8,841,234 km (0.112 R)
• M17: 12,603,770 km (0.089 R)
• M18: 15,447,626 km (0.084 R)
• M19: 15,603,956 km (0.083 R)
• M20: 16,401,761 km (0.102 R)
• M21: 16,893,340 km (0.071 R)
• M22: 17,819,799 km (0.083 R)
• M23: 18,957,940 km (0.118 R)
• M24: 22,863,342 km (0.088 R)
• M25: 27,961,637 km (0.086 R)
• M26: 30,711,695 km (0.064 R)
• M27: 33,115,134 km (0.1 R)
• M28: 38,292,268 km (0.075 R)
• M29: 40,180,193 km (0.12 R)
• M30: 46,214,522 km (0.08 R)
• M31: 48,019,570 km (0.072 R)
• M32: 48,519,975 km (0.099 R)
• M33: 49,023,821 km (0.096 R)
• M34: 49,530,957 km (0.104 R)
• M35: 50,728,189 km (0.078 R)
• M36: 53,895,176 km (0.055 R)
• M37: 55,161,522 km (0.05 R)
• M38: 57,378,263 km (0.083 R)
• M39: 59,846,030 km (0.086 R)
• M40: 60,425,273 km (0.113 R)
• M41: 61,399,155 km (0.087 R)
• M42: 62,383,509 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit