🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 9.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.97 AU - 1.31 AU

Year: 798 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,736,180 km

• M1: 116,986 km (0.119 R)
• M2: 436,975 km (0.118 R)
• M3: 930,499 km (0.046 R)
• M4: 1,360,144 km (0.082 R)
• M5: 1,733,091 km (0.072 R)
• M6: 2,164,831 km (0.109 R)
• M7: 2,594,027 km (0.074 R)
• M8: 3,258,242 km (0.075 R)
• M9: 4,003,688 km (0.096 R)
• M10: 4,439,466 km (0.077 R)
• M11: 5,185,661 km (0.092 R)
• M12: 5,830,278 km (0.078 R)
• M13: 6,744,770 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 9.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.21 AU - 2.47 AU

Year: 2348 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,736,180 km

• M1: 123,568 km (0.107 R)
• M2: 814,860 km (0.053 R)
• M3: 1,170,454 km (0.087 R)
• M4: 2,391,172 km (0.029 R)
• M5: 3,220,693 km (0.112 R)
• M6: 4,363,022 km (0.029 R)
• M7: 4,739,410 km (0.073 R)
• M8: 6,621,052 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 11.7

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.79 AU - 4.41 AU

Year: 4481 Days

Day: 9.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,736,180 km

• M1: 145,559 km (0.109 R)
• M2: 524,490 km (0.117 R)
• M3: 1,424,621 km (0.099 R)
• M4: 1,922,482 km (0.113 R)
• M5: 2,390,275 km (0.114 R)
• M6: 3,517,046 km (0.09 R)
• M7: 3,992,767 km (0.106 R)
• M8: 4,685,705 km (0.054 R)
• M9: 5,318,354 km (0.066 R)
• M10: 6,722,330 km (0.048 R)
• M11: 8,027,422 km (0.113 R)
• M12: 8,817,598 km (0.088 R)
• M13: 9,453,837 km (0.115 R)
• M14: 10,684,878 km (0.098 R)
• M15: 11,178,850 km (0.117 R)
• M16: 12,554,553 km (0.104 R)
• M17: 15,639,709 km (0.114 R)
• M18: 16,043,324 km (0.116 R)
• M19: 18,230,445 km (0.064 R)
• M20: 18,677,743 km (0.07 R)
• M21: 22,089,173 km (0.119 R)
• M22: 23,865,648 km (0.085 R)
• M23: 24,478,400 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.8

Radius: 12.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.57 AU - 5.01 AU

Year: 5829 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,736,180 km

• M1: 155,582 km (0.045 R)
• M2: 592,258 km (0.114 R)
• M3: 1,008,589 km (0.118 R)
• M4: 1,427,612 km (0.097 R)
• M5: 2,406,581 km (0.064 R)
• M6: 3,630,292 km (0.047 R)
• M7: 4,811,516 km (0.109 R)
• M8: 5,704,765 km (0.09 R)
• M9: 6,120,049 km (0.062 R)
• M10: 6,555,678 km (0.112 R)
• M11: 9,854,012 km (0.098 R)
• M12: 11,816,287 km (0.113 R)
• M13: 13,149,802 km (0.091 R)
• M14: 14,026,745 km (0.117 R)
• M15: 14,786,852 km (0.12 R)
• M16: 18,461,873 km (0.098 R)
• M17: 18,945,224 km (0.091 R)
• M18: 22,913,158 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 9.3

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.31 AU - 5.19 AU

Year: 6791 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,736,180 km

• M1: 131,945 km (0.086 R)
• M2: 707,000 km (0.053 R)
• M3: 1,419,684 km (0.076 R)
• M4: 2,607,192 km (0.103 R)
• M5: 3,136,619 km (0.117 R)
• M6: 3,573,893 km (0.035 R)
• M7: 4,026,427 km (0.097 R)
• M8: 4,625,117 km (0.098 R)
• M9: 5,163,520 km (0.116 R)
• M10: 5,934,847 km (0.105 R)
• M11: 6,230,751 km (0.037 R)
• M12: 8,796,056 km (0.082 R)
• M13: 9,803,448 km (0.09 R)
• M14: 12,791,665 km (0.095 R)
• M15: 15,520,181 km (0.092 R)
• M16: 15,894,325 km (0.1 R)
• M17: 16,274,603 km (0.087 R)
• M18: 17,119,083 km (0.101 R)
• M19: 18,405,774 km (0.09 R)
• M20: 19,108,286 km (0.115 R)
• M21: 21,246,638 km (0.038 R)
• M22: 22,811,282 km (0.119 R)
• M23: 23,133,216 km (0.104 R)
• M24: 23,868,639 km (0.112 R)
• M25: 24,200,448 km (0.076 R)
• M26: 25,731,881 km (0.081 R)
• M27: 27,599,012 km (0.096 R)
• M28: 29,175,325 km (0.084 R)
• M29: 31,700,986 km (0.11 R)
• M30: 33,119,473 km (0.094 R)
• M31: 35,005,004 km (0.114 R)
• M32: 35,974,099 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.7

Radius: 5.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.23 AU - 8.07 AU

Year: 13880 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,736,180 km

• M1: 75,697 km (0.095 R)
• M2: 2,854,776 km (0.109 R)
• M3: 4,701,711 km (0.118 R)
• M4: 9,294,067 km (0.116 R)
• M5: 9,532,676 km (0.101 R)
• M6: 9,939,432 km (0.098 R)
• M7: 10,442,679 km (0.113 R)
• M8: 11,867,599 km (0.054 R)
• M9: 12,674,979 km (0.116 R)
• M10: 14,611,374 km (0.091 R)
• M11: 19,186,974 km (0.087 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: 337 - 16,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit