🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.3

Radius: 12.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.61 AU - 0.85 AU

Year: 397 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,261,389 km

• M1: 160,369 km (0.116 R)
• M2: 607,218 km (0.09 R)
• M3: 1,546,094 km (0.034 R)
• M4: 2,254,590 km (0.117 R)
• M5: 2,772,946 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 11.4

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.94 AU - 0.98 AU

Year: 598 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,261,389 km

• M1: 142,268 km (0.025 R)
• M2: 552,315 km (0.118 R)
• M3: 1,509,592 km (0.072 R)
• M4: 2,359,158 km (0.037 R)
• M5: 3,976,311 km (0.053 R)
• M6: 4,430,640 km (0.105 R)
• M7: 4,838,444 km (0.091 R)
• M8: 5,374,603 km (0.033 R)
• M9: 5,876,055 km (0.099 R)
• M10: 6,973,056 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.7

Radius: 10.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.89 AU - 1.37 AU

Year: 764 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,261,389 km

• M1: 126,859 km (0.065 R)
• M2: 456,124 km (0.107 R)
• M3: 880,533 km (0.095 R)
• M4: 1,303,596 km (0.095 R)
• M5: 1,718,281 km (0.108 R)
• M6: 2,433,060 km (0.09 R)
• M7: 2,784,016 km (0.069 R)
• M8: 3,131,233 km (0.06 R)
• M9: 3,589,003 km (0.074 R)
• M10: 3,928,290 km (0.089 R)
• M11: 4,688,547 km (0.061 R)
• M12: 5,095,453 km (0.097 R)
• M13: 5,544,097 km (0.09 R)
• M14: 5,999,473 km (0.083 R)
• M15: 6,645,437 km (0.034 R)
• M16: 7,181,895 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 11.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.05 AU - 1.41 AU

Year: 867 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 46,261,389 km

• M1: 138,079 km (0.029 R)
• M2: 715,078 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.9

Radius: 8.7

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.39 AU - 2.27 AU

Year: 1574 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,261,389 km

• M1: 108,458 km (0.097 R)
• M2: 413,189 km (0.065 R)
• M3: 844,480 km (0.102 R)
• M4: 1,170,155 km (0.072 R)
• M5: 2,386,236 km (0.118 R)
• M6: 2,677,951 km (0.047 R)
• M7: 4,093,895 km (0.098 R)
• M8: 4,420,767 km (0.078 R)
• M9: 5,443,119 km (0.09 R)
• M10: 6,184,077 km (0.053 R)
• M11: 7,041,422 km (0.072 R)
• M12: 10,319,710 km (0.105 R)
• M13: 10,961,934 km (0.055 R)
• M14: 11,452,016 km (0.11 R)
• M15: 12,401,065 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 12.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.48 AU - 5.8 AU

Year: 8516 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,261,389 km

• M1: 151,991 km (0.103 R)
• M2: 573,708 km (0.079 R)
• M3: 980,614 km (0.036 R)
• M4: 1,470,248 km (0.115 R)
• M5: 2,459,838 km (0.106 R)
• M6: 2,917,607 km (0.111 R)
• M7: 3,825,517 km (0.091 R)
• M8: 5,480,069 km (0.119 R)
• M9: 7,366,947 km (0.118 R)
• M10: 9,558,107 km (0.118 R)
• M11: 10,444,026 km (0.107 R)
• M12: 11,491,660 km (0.065 R)
• M13: 16,118,871 km (0.094 R)
• M14: 17,018,553 km (0.086 R)
• M15: 18,467,708 km (0.108 R)
• M16: 21,117,684 km (0.09 R)
• M17: 22,618,600 km (0.085 R)
• M18: 26,871,817 km (0.12 R)
• M19: 28,933,874 km (0.089 R)
• M20: 34,039,799 km (0.118 R)
• M21: 34,831,321 km (0.115 R)
• M22: 36,216,747 km (0.107 R)
• M23: 38,120,829 km (0.075 R)
• M24: 42,778,110 km (0.111 R)
• M25: 43,567,388 km (0.108 R)
• M26: 44,634,918 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 6.8

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.74 AU - 7.76 AU

Year: 11150 Days

Day: 23.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,261,389 km

• M1: 89,011 km (0.066 R)
• M2: 488,287 km (0.074 R)
• M3: 797,506 km (0.092 R)
• M4: 1,655,151 km (0.11 R)
• M5: 2,973,856 km (0.089 R)
• M6: 3,220,842 km (0.098 R)
• M7: 3,604,411 km (0.097 R)
• M8: 3,833,296 km (0.092 R)
• M9: 4,264,437 km (0.117 R)
• M10: 4,697,523 km (0.11 R)
• M11: 5,320,149 km (0.113 R)
• M12: 5,753,385 km (0.079 R)
• M13: 7,477,650 km (0.048 R)
• M14: 9,001,304 km (0.117 R)
• M15: 18,121,987 km (0.114 R)
• M16: 21,330,562 km (0.105 R)
• M17: 33,635,436 km (0.076 R)
• M18: 34,996,926 km (0.12 R)
• M19: 36,868,994 km (0.051 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 12,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit