🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.1

Radius: 9.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.53 AU - 0.85 AU

Year: 382 Days

Day: 8.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,234,803 km

• M1: 113,096 km (0.064 R)
• M2: 416,929 km (0.084 R)
• M3: 744,549 km (0.107 R)
• M4: 1,060,350 km (0.116 R)
• M5: 1,779,915 km (0.099 R)
• M6: 2,162,288 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 12.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.98 AU - 1.42 AU

Year: 877 Days

Day: 7.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,234,803 km

• M1: 156,330 km (0.106 R)
• M2: 567,275 km (0.092 R)
• M3: 1,050,327 km (0.067 R)
• M4: 1,714,092 km (0.044 R)
• M5: 3,335,285 km (0.077 R)
• M6: 4,159,718 km (0.089 R)
• M7: 5,230,540 km (0.097 R)
• M8: 5,707,159 km (0.035 R)
• M9: 6,105,089 km (0.064 R)
• M10: 6,725,471 km (0.107 R)
• M11: 7,314,588 km (0.072 R)
• M12: 7,759,791 km (0.066 R)
• M13: 8,488,482 km (0.086 R)
• M14: 9,463,113 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 10.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.52 AU - 1.78 AU

Year: 1413 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,234,803 km

• M1: 128,205 km (0.094 R)
• M2: 572,810 km (0.088 R)
• M3: 965,953 km (0.072 R)
• M4: 1,576,014 km (0.114 R)
• M5: 1,913,207 km (0.118 R)
• M6: 2,660,299 km (0.047 R)
• M7: 3,186,883 km (0.056 R)
• M8: 5,691,451 km (0.03 R)
• M9: 6,312,282 km (0.106 R)
• M10: 8,226,537 km (0.097 R)
• M11: 9,803,148 km (0.085 R)
• M12: 10,179,238 km (0.089 R)
• M13: 11,094,477 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.9

Radius: 9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.58 AU - 2.96 AU

Year: 3074 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,234,803 km

• M1: 124,615 km (0.054 R)
• M2: 456,423 km (0.049 R)
• M3: 805,585 km (0.034 R)
• M4: 1,363,435 km (0.111 R)
• M5: 1,662,332 km (0.108 R)
• M6: 2,214,497 km (0.081 R)
• M7: 2,917,009 km (0.079 R)
• M8: 3,568,807 km (0.095 R)
• M9: 5,039,952 km (0.078 R)
• M10: 10,710,160 km (0.074 R)
• M11: 11,526,217 km (0.082 R)
• M12: 12,603,621 km (0.104 R)
• M13: 14,465,217 km (0.069 R)
• M14: 18,265,750 km (0.086 R)
• M15: 20,333,642 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 9.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.76 AU - 3.1 AU

Year: 3344 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,234,803 km

• M1: 118,182 km (0.084 R)
• M2: 451,337 km (0.085 R)
• M3: 799,002 km (0.058 R)
• M4: 1,292,825 km (0.047 R)
• M5: 1,716,785 km (0.093 R)
• M6: 2,534,487 km (0.083 R)
• M7: 2,831,588 km (0.117 R)
• M8: 3,348,748 km (0.098 R)
• M9: 3,927,842 km (0.114 R)
• M10: 4,944,060 km (0.094 R)
• M11: 5,935,296 km (0.042 R)
• M12: 6,237,483 km (0.094 R)
• M13: 6,783,964 km (0.1 R)
• M14: 7,268,512 km (0.086 R)
• M15: 7,939,458 km (0.091 R)
• M16: 9,478,671 km (0.071 R)
• M17: 10,162,333 km (0.115 R)
• M18: 10,476,638 km (0.066 R)
• M19: 12,680,514 km (0.092 R)
• M20: 14,623,341 km (0.072 R)
• M21: 15,278,730 km (0.115 R)
• M22: 16,271,611 km (0.071 R)
• M23: 18,212,643 km (0.087 R)
• M24: 20,365,057 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 15

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.92 AU - 3.72 AU

Year: 4034 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,234,803 km

• M1: 186,549 km (0.045 R)
• M2: 688,449 km (0.118 R)
• M3: 1,359,097 km (0.066 R)
• M4: 1,946,418 km (0.087 R)
• M5: 2,702,785 km (0.082 R)
• M6: 3,246,872 km (0.053 R)
• M7: 4,294,955 km (0.092 R)
• M8: 4,860,136 km (0.111 R)
• M9: 6,796,381 km (0.114 R)
• M10: 8,284,580 km (0.103 R)
• M11: 8,813,409 km (0.114 R)
• M12: 10,065,094 km (0.055 R)
• M13: 10,536,776 km (0.07 R)
• M14: 11,899,015 km (0.09 R)
• M15: 12,672,136 km (0.079 R)
• M16: 13,478,469 km (0.03 R)
• M17: 14,105,434 km (0.036 R)
• M18: 15,418,155 km (0.119 R)
• M19: 16,870,601 km (0.074 R)
• M20: 18,412,506 km (0.105 R)
• M21: 22,422,028 km (0.113 R)
• M22: 23,752,851 km (0.088 R)
• M23: 26,571,723 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.6

Radius: 5.4

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.32 AU - 6.4 AU

Year: 10696 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,234,803 km

• M1: 67,618 km (0.098 R)
• M2: 299,794 km (0.112 R)
• M3: 583,731 km (0.085 R)
• M4: 843,433 km (0.099 R)
• M5: 1,144,424 km (0.039 R)
• M6: 1,742,516 km (0.082 R)
• M7: 2,304,406 km (0.111 R)
• M8: 2,872,728 km (0.12 R)
• M9: 3,652,731 km (0.116 R)
• M10: 5,327,330 km (0.107 R)
• M11: 5,588,079 km (0.03 R)
• M12: 5,960,578 km (0.099 R)
• M13: 6,170,613 km (0.107 R)
• M14: 6,349,382 km (0.072 R)
• M15: 6,568,543 km (0.079 R)
• M16: 8,203,648 km (0.115 R)
• M17: 9,277,312 km (0.109 R)
• M18: 13,711,243 km (0.101 R)
• M19: 13,893,753 km (0.042 R)
• M20: 15,087,244 km (0.104 R)
• M21: 17,319,843 km (0.064 R)
• M22: 19,151,220 km (0.09 R)
• M23: 20,946,544 km (0.11 R)
• M24: 22,680,982 km (0.11 R)
• M25: 24,508,918 km (0.105 R)
• M26: 24,867,953 km (0.1 R)
• M27: 25,596,495 km (0.089 R)
• M28: 25,873,251 km (0.069 R)
• M29: 27,000,620 km (0.118 R)
• M30: 28,951,526 km (0.05 R)
• M31: 29,655,983 km (0.05 R)
• M32: 37,935,327 km (0.074 R)
• M33: 38,900,084 km (0.053 R)
• M34: 40,502,576 km (0.066 R)
• M35: 40,878,516 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit