🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 10.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.65 AU - 0.85 AU

Year: 448 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,512,592 km

• M1: 130,599 km (0.091 R)
• M2: 462,257 km (0.111 R)
• M3: 977,921 km (0.108 R)
• M4: 1,323,193 km (0.11 R)
• M5: 1,668,465 km (0.12 R)
• M6: 2,114,566 km (0.12 R)
• M7: 2,446,524 km (0.11 R)
• M8: 3,261,084 km (0.062 R)
• M9: 3,660,062 km (0.119 R)
• M10: 4,194,724 km (0.045 R)
• M11: 5,027,536 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.5

Radius: 11.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.2 AU - 1.26 AU

Year: 942 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,512,592 km

• M1: 138,079 km (0.075 R)
• M2: 638,035 km (0.034 R)
• M3: 1,156,242 km (0.061 R)
• M4: 1,611,767 km (0.037 R)
• M5: 2,246,511 km (0.115 R)
• M6: 2,880,806 km (0.102 R)
• M7: 3,327,206 km (0.118 R)
• M8: 4,344,023 km (0.108 R)
• M9: 4,725,647 km (0.118 R)
• M10: 5,710,899 km (0.107 R)
• M11: 6,149,669 km (0.069 R)
• M12: 7,231,112 km (0.073 R)
• M13: 8,511,221 km (0.088 R)
• M14: 8,873,398 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 10.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.02 AU - 1.68 AU

Year: 1083 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,512,592 km

• M1: 125,662 km (0.093 R)
• M2: 483,052 km (0.078 R)
• M3: 934,837 km (0.055 R)
• M4: 2,494,694 km (0.055 R)
• M5: 3,117,620 km (0.097 R)
• M6: 3,480,694 km (0.076 R)
• M7: 3,872,042 km (0.119 R)
• M8: 5,479,770 km (0.114 R)
• M9: 6,224,917 km (0.079 R)
• M10: 6,712,606 km (0.09 R)
• M11: 7,225,727 km (0.066 R)
• M12: 7,714,613 km (0.105 R)
• M13: 8,225,489 km (0.089 R)
• M14: 9,201,915 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 8.1

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.69 AU - 2.69 AU

Year: 2237 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,512,592 km

• M1: 100,829 km (0.077 R)
• M2: 374,593 km (0.026 R)
• M3: 678,726 km (0.034 R)
• M4: 964,457 km (0.037 R)
• M5: 1,920,388 km (0.089 R)
• M6: 2,200,435 km (0.098 R)
• M7: 2,557,525 km (0.081 R)
• M8: 3,036,986 km (0.087 R)
• M9: 3,817,438 km (0.037 R)
• M10: 4,070,708 km (0.096 R)
• M11: 4,918,928 km (0.085 R)
• M12: 5,489,943 km (0.119 R)
• M13: 5,879,944 km (0.051 R)
• M14: 6,311,534 km (0.104 R)
• M15: 8,793,812 km (0.063 R)
• M16: 9,147,760 km (0.048 R)
• M17: 9,821,399 km (0.059 R)
• M18: 10,792,738 km (0.105 R)
• M19: 11,685,239 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 14.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.77 AU - 3.37 AU

Year: 3713 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,512,592 km

• M1: 181,612 km (0.083 R)
• M2: 724,203 km (0.045 R)
• M3: 1,530,835 km (0.101 R)
• M4: 3,554,445 km (0.087 R)
• M5: 4,735,521 km (0.119 R)
• M6: 10,162,183 km (0.102 R)

Asteroid Belt

Center: 3.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 12.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.84 AU - 4.8 AU

Year: 6198 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,512,592 km

• M1: 154,385 km (0.088 R)
• M2: 662,719 km (0.087 R)
• M3: 1,241,214 km (0.105 R)
• M4: 2,092,874 km (0.09 R)
• M5: 2,625,592 km (0.09 R)
• M6: 3,432,374 km (0.059 R)
• M7: 3,987,531 km (0.09 R)
• M8: 4,860,435 km (0.117 R)
• M9: 5,562,797 km (0.093 R)
• M10: 6,189,462 km (0.029 R)
• M11: 6,923,539 km (0.088 R)
• M12: 8,778,702 km (0.098 R)
• M13: 9,477,624 km (0.109 R)
• M14: 10,253,139 km (0.101 R)
• M15: 12,467,935 km (0.106 R)
• M16: 13,304,187 km (0.079 R)
• M17: 14,029,139 km (0.115 R)
• M18: 15,505,520 km (0.117 R)
• M19: 16,199,953 km (0.095 R)
• M20: 16,970,831 km (0.073 R)
• M21: 17,593,607 km (0.118 R)
• M22: 19,369,932 km (0.093 R)
• M23: 20,746,382 km (0.083 R)
• M24: 21,986,848 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 13.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.27 AU - 4.61 AU

Year: 6458 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,512,592 km

• M1: 201,060 km (0.052 R)
• M2: 860,786 km (0.115 R)
• M3: 1,349,074 km (0.04 R)
• M4: 1,901,090 km (0.119 R)
• M5: 2,744,074 km (0.086 R)
• M6: 3,252,707 km (0.053 R)
• M7: 3,844,516 km (0.111 R)
• M8: 5,271,231 km (0.047 R)
• M9: 12,274,505 km (0.025 R)
• M10: 15,952,219 km (0.086 R)
• M11: 19,441,290 km (0.038 R)
• M12: 20,497,751 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.2

Radius: 4.5

Gravity: 42.78 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.08 AU - 7.43 AU

Year: 10785 Days

Day: 15.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,512,592 km

• M1: 57,446 km (0.119 R)
• M2: 215,271 km (0.074 R)
• M3: 429,495 km (0.084 R)
• M4: 701,464 km (0.075 R)
• M5: 1,139,786 km (0.111 R)
• M6: 1,397,843 km (0.08 R)
• M7: 1,616,255 km (0.075 R)
• M8: 1,995,187 km (0.03 R)
• M9: 2,331,333 km (0.039 R)
• M10: 2,512,945 km (0.097 R)
• M11: 2,904,742 km (0.052 R)
• M12: 3,489,221 km (0.083 R)
• M13: 4,355,542 km (0.069 R)
• M14: 5,356,501 km (0.044 R)
• M15: 6,192,005 km (0.072 R)
• M16: 6,423,583 km (0.09 R)
• M17: 7,365,002 km (0.116 R)
• M18: 7,757,248 km (0.063 R)
• M19: 8,163,257 km (0.098 R)
• M20: 8,348,309 km (0.114 R)
• M21: 8,583,327 km (0.058 R)
• M22: 10,194,048 km (0.109 R)
• M23: 10,626,236 km (0.098 R)
• M24: 11,183,488 km (0.065 R)
• M25: 11,701,396 km (0.115 R)
• M26: 16,215,512 km (0.112 R)
• M27: 17,482,755 km (0.112 R)
• M28: 20,212,916 km (0.053 R)
• M29: 24,436,064 km (0.101 R)
• M30: 25,998,016 km (0.082 R)
• M31: 35,178,986 km (0.085 R)
• M32: 38,187,998 km (0.112 R)
• M33: 44,000,025 km (0.052 R)
• M34: 44,283,812 km (0.047 R)
• M35: 46,304,730 km (0.095 R)
• M36: 51,624,580 km (0.084 R)
• M37: 53,055,483 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 12,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit