🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 12.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 152.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,723,297 km

• M1: 159,172 km (0.095 R)
• M2: 695,032 km (0.078 R)
• M3: 1,186,012 km (0.068 R)
• M4: 1,817,165 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.5

Radius: 13.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.89 AU - 0.89 AU

Year: 569 Days

Day: 10.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,723,297 km

• M1: 165,605 km (0.086 R)
• M2: 585,975 km (0.099 R)
• M3: 1,152,951 km (0.116 R)
• M4: 1,811,630 km (0.105 R)
• M5: 2,589,390 km (0.117 R)
• M6: 3,467,080 km (0.094 R)
• M7: 5,015,418 km (0.092 R)
• M8: 5,935,296 km (0.075 R)
• M9: 6,687,025 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 9.7

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.76 AU - 1.08 AU

Year: 599 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,723,297 km

• M1: 120,576 km (0.072 R)
• M2: 798,404 km (0.082 R)
• M3: 1,127,519 km (0.085 R)
• M4: 1,813,874 km (0.118 R)
• M5: 2,222,127 km (0.116 R)
• M6: 3,531,707 km (0.07 R)
• M7: 4,664,013 km (0.05 R)
• M8: 5,928,414 km (0.118 R)
• M9: 6,670,569 km (0.045 R)
• M10: 7,234,703 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 11

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.8 AU - 1.1 AU

Year: 628 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,723,297 km

• M1: 136,882 km (0.106 R)
• M2: 483,800 km (0.098 R)
• M3: 911,201 km (0.096 R)
• M4: 2,524,464 km (0.101 R)
• M5: 2,890,380 km (0.107 R)
• M6: 3,639,866 km (0.098 R)
• M7: 4,251,272 km (0.102 R)
• M8: 4,650,100 km (0.119 R)
• M9: 5,421,277 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.5

Radius: 14.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.23 AU - 2.57 AU

Year: 2522 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,723,297 km

• M1: 180,415 km (0.045 R)
• M2: 686,355 km (0.11 R)
• M3: 1,238,970 km (0.096 R)
• M4: 2,071,931 km (0.097 R)
• M5: 2,854,776 km (0.086 R)
• M6: 3,981,847 km (0.109 R)
• M7: 4,677,028 km (0.095 R)
• M8: 5,516,870 km (0.079 R)
• M9: 7,103,804 km (0.118 R)
• M10: 7,605,107 km (0.099 R)
• M11: 9,851,917 km (0.095 R)
• M12: 12,211,076 km (0.108 R)
• M13: 12,971,482 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 3.4

Gravity: 25.85 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.8 AU - 11.28 AU

Year: 23209 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,723,297 km

• M1: 42,336 km (0.045 R)
• M2: 172,786 km (0.112 R)
• M3: 452,085 km (0.046 R)
• M4: 807,081 km (0.055 R)
• M5: 1,240,765 km (0.037 R)
• M6: 1,761,665 km (0.059 R)
• M7: 1,939,387 km (0.116 R)
• M8: 2,819,621 km (0.073 R)
• M9: 3,138,863 km (0.114 R)
• M10: 3,937,266 km (0.09 R)
• M11: 6,486,414 km (0.106 R)
• M12: 7,352,287 km (0.12 R)
• M13: 8,390,645 km (0.112 R)
• M14: 8,589,461 km (0.099 R)
• M15: 8,996,367 km (0.106 R)
• M16: 10,125,532 km (0.08 R)
• M17: 11,285,663 km (0.089 R)
• M18: 11,406,389 km (0.101 R)
• M19: 11,527,862 km (0.036 R)
• M20: 13,524,096 km (0.086 R)
• M21: 13,797,412 km (0.093 R)
• M22: 15,664,094 km (0.095 R)
• M23: 18,184,369 km (0.115 R)
• M24: 22,072,567 km (0.079 R)
• M25: 23,124,540 km (0.083 R)
• M26: 24,612,290 km (0.105 R)
• M27: 31,201,628 km (0.066 R)
• M28: 31,798,523 km (0.089 R)
• M29: 32,281,575 km (0.118 R)
• M30: 33,884,965 km (0.075 R)
• M31: 36,983,286 km (0.083 R)
• M32: 38,056,502 km (0.078 R)
• M33: 40,265,015 km (0.067 R)
• M34: 42,121,225 km (0.085 R)
• M35: 43,143,876 km (0.09 R)
• M36: 43,587,284 km (0.119 R)
• M37: 44,182,983 km (0.113 R)
• M38: 45,390,986 km (0.099 R)
• M39: 48,506,661 km (0.066 R)
• M40: 59,065,578 km (0.042 R)
• M41: 61,085,897 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 18,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit