🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.2

Radius: 14.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.88 AU - 1.02 AU

Year: 628 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,445,112 km

• M1: 175,478 km (0.087 R)
• M2: 634,594 km (0.117 R)
• M3: 1,082,490 km (0.1 R)
• M4: 1,725,013 km (0.119 R)
• M5: 2,255,936 km (0.111 R)
• M6: 3,161,901 km (0.091 R)
• M7: 3,888,198 km (0.086 R)
• M8: 4,427,798 km (0.09 R)
• M9: 5,048,779 km (0.106 R)
• M10: 5,919,737 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 14

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.04 AU - 1.36 AU

Year: 892 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,445,112 km

• M1: 174,132 km (0.112 R)
• M2: 694,284 km (0.112 R)
• M3: 1,173,147 km (0.077 R)
• M4: 1,696,290 km (0.108 R)
• M5: 2,294,532 km (0.028 R)
• M6: 3,118,816 km (0.066 R)
• M7: 4,462,953 km (0.118 R)
• M8: 5,486,352 km (0.105 R)
• M9: 6,103,892 km (0.064 R)
• M10: 7,139,409 km (0.047 R)
• M11: 7,711,321 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 14.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.76 AU - 2.9 AU

Year: 2412 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,445,112 km

• M1: 185,352 km (0.09 R)
• M2: 1,135,897 km (0.049 R)
• M3: 1,622,090 km (0.06 R)
• M4: 2,106,338 km (0.11 R)
• M5: 3,272,902 km (0.114 R)
• M6: 3,941,455 km (0.108 R)
• M7: 4,548,523 km (0.114 R)
• M8: 5,034,417 km (0.101 R)
• M9: 5,795,422 km (0.106 R)
• M10: 6,978,741 km (0.084 R)
• M11: 8,120,621 km (0.054 R)
• M12: 9,476,576 km (0.075 R)
• M13: 10,176,246 km (0.12 R)
• M14: 10,673,060 km (0.107 R)
• M15: 11,290,450 km (0.084 R)
• M16: 12,786,280 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 10.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.66 AU - 3.94 AU

Year: 4066 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,445,112 km

• M1: 130,749 km (0.116 R)
• M2: 474,524 km (0.061 R)
• M3: 1,079,947 km (0.12 R)
• M4: 1,911,861 km (0.092 R)
• M5: 2,344,797 km (0.109 R)
• M6: 5,054,164 km (0.056 R)
• M7: 6,131,718 km (0.078 R)
• M8: 8,258,401 km (0.102 R)
• M9: 8,982,305 km (0.058 R)
• M10: 10,997,687 km (0.12 R)
• M11: 11,493,006 km (0.05 R)
• M12: 12,089,453 km (0.055 R)
• M13: 15,488,616 km (0.114 R)
• M14: 16,322,474 km (0.118 R)
• M15: 19,003,717 km (0.037 R)
• M16: 19,959,198 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.8

Radius: 5.1

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.31 AU - 12.13 AU

Year: 22160 Days

Day: 24.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,445,112 km

• M1: 63,429 km (0.083 R)
• M2: 618,138 km (0.118 R)
• M3: 1,358,498 km (0.112 R)
• M4: 1,592,021 km (0.073 R)
• M5: 1,833,771 km (0.101 R)
• M6: 2,001,919 km (0.117 R)
• M7: 2,781,174 km (0.112 R)
• M8: 3,080,968 km (0.073 R)
• M9: 3,686,540 km (0.103 R)
• M10: 4,079,833 km (0.05 R)
• M11: 5,542,900 km (0.096 R)
• M12: 6,223,870 km (0.069 R)
• M13: 6,476,989 km (0.052 R)
• M14: 8,703,754 km (0.098 R)
• M15: 9,020,452 km (0.063 R)
• M16: 9,902,631 km (0.054 R)
• M17: 10,131,965 km (0.089 R)
• M18: 11,023,269 km (0.11 R)
• M19: 11,901,408 km (0.109 R)
• M20: 14,299,013 km (0.078 R)
• M21: 15,265,864 km (0.098 R)
• M22: 18,084,438 km (0.097 R)
• M23: 18,600,251 km (0.088 R)
• M24: 18,861,599 km (0.098 R)
• M25: 24,100,965 km (0.075 R)
• M26: 32,698,355 km (0.056 R)
• M27: 35,161,184 km (0.112 R)
• M28: 36,778,786 km (0.051 R)
• M29: 37,328,708 km (0.063 R)
• M30: 44,986,473 km (0.111 R)
• M31: 45,932,231 km (0.081 R)
• M32: 46,091,104 km (0.115 R)
• M33: 47,052,121 km (0.094 R)
• M34: 47,863,240 km (0.114 R)
• M35: 50,183,803 km (0.087 R)
• M36: 55,227,046 km (0.075 R)
• M37: 55,586,829 km (0.092 R)
• M38: 57,963,341 km (0.12 R)
• M39: 59,459,170 km (0.107 R)
• M40: 62,918,172 km (0.047 R)
• M41: 66,103,559 km (0.073 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit