🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 12

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,348,103 km

• M1: 149,299 km (0.072 R)
• M2: 563,984 km (0.103 R)
• M3: 1,047,634 km (0.078 R)
• M4: 1,526,945 km (0.057 R)
• M5: 1,956,441 km (0.059 R)
• M6: 2,404,935 km (0.095 R)
• M7: 3,160,105 km (0.106 R)
• M8: 3,664,101 km (0.087 R)
• M9: 4,459,812 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 10.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.58 AU - 0.88 AU

Year: 431 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,348,103 km

• M1: 128,056 km (0.105 R)
• M2: 550,819 km (0.05 R)
• M3: 985,252 km (0.04 R)
• M4: 1,315,115 km (0.093 R)
• M5: 1,818,213 km (0.07 R)
• M6: 2,308,445 km (0.071 R)
• M7: 2,787,756 km (0.103 R)
• M8: 3,171,475 km (0.083 R)
• M9: 3,510,464 km (0.104 R)
• M10: 4,249,477 km (0.045 R)
• M11: 4,635,589 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 8.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.62 AU - 0.96 AU

Year: 485 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,348,103 km

• M1: 109,506 km (0.051 R)
• M2: 431,291 km (0.1 R)
• M3: 1,052,421 km (0.099 R)
• M4: 1,377,796 km (0.108 R)
• M5: 1,668,615 km (0.086 R)
• M6: 2,808,850 km (0.077 R)
• M7: 3,115,974 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 12.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.11 AU - 1.11 AU

Year: 807 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,348,103 km

• M1: 152,291 km (0.091 R)
• M2: 571,763 km (0.118 R)
• M3: 1,052,720 km (0.105 R)
• M4: 1,434,644 km (0.096 R)
• M5: 1,978,282 km (0.06 R)
• M6: 2,817,227 km (0.075 R)
• M7: 3,436,413 km (0.106 R)
• M8: 4,602,827 km (0.045 R)
• M9: 5,177,134 km (0.096 R)
• M10: 6,297,472 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.5

Radius: 10.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.91 AU - 1.35 AU

Year: 829 Days

Day: 6.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,348,103 km

• M1: 130,599 km (0.066 R)
• M2: 461,958 km (0.111 R)
• M3: 841,488 km (0.104 R)
• M4: 1,387,670 km (0.104 R)
• M5: 1,763,310 km (0.086 R)
• M6: 2,314,728 km (0.048 R)
• M7: 3,184,191 km (0.101 R)
• M8: 3,531,707 km (0.103 R)
• M9: 4,049,465 km (0.09 R)
• M10: 4,553,460 km (0.104 R)
• M11: 4,929,100 km (0.119 R)
• M12: 5,325,385 km (0.112 R)
• M13: 5,836,561 km (0.093 R)
• M14: 6,360,303 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 12.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.02 AU - 1.34 AU

Year: 885 Days

Day: 7.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,348,103 km

• M1: 155,582 km (0.109 R)
• M2: 577,448 km (0.111 R)
• M3: 1,007,093 km (0.098 R)
• M4: 1,481,169 km (0.046 R)
• M5: 1,944,473 km (0.092 R)
• M6: 3,295,342 km (0.092 R)
• M7: 4,112,296 km (0.11 R)
• M8: 4,712,782 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12

Radius: 8.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.22 AU - 1.6 AU

Year: 1156 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,348,103 km

• M1: 108,309 km (0.103 R)
• M2: 384,018 km (0.078 R)
• M3: 671,096 km (0.065 R)
• M4: 1,095,954 km (0.12 R)
• M5: 1,564,495 km (0.085 R)
• M6: 2,120,550 km (0.118 R)
• M7: 2,625,443 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 14.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.18 AU - 6.62 AU

Year: 8662 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,348,103 km

• M1: 181,761 km (0.112 R)
• M2: 666,758 km (0.106 R)
• M3: 1,129,165 km (0.115 R)
• M4: 1,969,606 km (0.114 R)
• M5: 2,439,792 km (0.097 R)
• M6: 4,115,138 km (0.05 R)
• M7: 5,167,410 km (0.086 R)
• M8: 12,090,949 km (0.068 R)
• M9: 12,990,780 km (0.085 R)
• M10: 14,672,709 km (0.098 R)
• M11: 16,836,492 km (0.115 R)
• M12: 20,042,524 km (0.063 R)
• M13: 21,464,302 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 15,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit