🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 14.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,645,493 km

• M1: 175,329 km (0.083 R)
• M2: 682,765 km (0.098 R)
• M3: 1,194,988 km (0.096 R)
• M4: 1,759,421 km (0.082 R)
• M5: 2,224,670 km (0.043 R)
• M6: 2,754,246 km (0.104 R)
• M7: 3,378,818 km (0.07 R)
• M8: 4,096,887 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 15

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 6.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,645,493 km

• M1: 186,549 km (0.108 R)
• M2: 653,443 km (0.104 R)
• M3: 1,214,884 km (0.119 R)
• M4: 1,745,957 km (0.113 R)
• M5: 2,253,991 km (0.076 R)
• M6: 2,741,231 km (0.11 R)
• M7: 3,237,298 km (0.119 R)
• M8: 3,736,356 km (0.12 R)
• M9: 4,375,588 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 8.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,645,493 km

• M1: 102,026 km (0.116 R)
• M2: 417,528 km (0.092 R)
• M3: 896,091 km (0.07 R)
• M4: 1,174,194 km (0.101 R)
• M5: 1,610,571 km (0.049 R)
• M6: 1,924,577 km (0.077 R)
• M7: 2,196,097 km (0.094 R)
• M8: 2,493,348 km (0.12 R)
• M9: 2,934,811 km (0.087 R)
• M10: 3,635,228 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 12.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.35 AU - 1.41 AU

Year: 1081 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,645,493 km

• M1: 155,432 km (0.112 R)
• M2: 1,017,714 km (0.104 R)
• M3: 2,120,849 km (0.092 R)
• M4: 2,646,686 km (0.116 R)
• M5: 3,053,143 km (0.07 R)
• M6: 3,557,288 km (0.029 R)
• M7: 4,273,413 km (0.103 R)
• M8: 6,424,630 km (0.094 R)
• M9: 7,166,486 km (0.099 R)
• M10: 7,989,125 km (0.114 R)
• M11: 8,436,273 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 12.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.43 AU - 1.49 AU

Year: 1176 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,645,493 km

• M1: 160,369 km (0.094 R)
• M2: 811,269 km (0.102 R)
• M3: 1,434,494 km (0.058 R)
• M4: 2,066,695 km (0.114 R)
• M5: 2,489,608 km (0.109 R)
• M6: 3,366,550 km (0.093 R)
• M7: 4,332,654 km (0.113 R)
• M8: 5,034,417 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.5

Radius: 3.3

Gravity: 66.44 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.59 AU - 8.75 AU

Year: 17024 Days

Day: 17.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,645,493 km

• M1: 40,990 km (0.064 R)
• M2: 149,598 km (0.119 R)
• M3: 453,431 km (0.084 R)
• M4: 614,398 km (0.094 R)
• M5: 920,924 km (0.104 R)
• M6: 1,180,926 km (0.099 R)
• M7: 1,379,891 km (0.112 R)
• M8: 1,651,261 km (0.112 R)
• M9: 2,563,509 km (0.089 R)
• M10: 2,972,360 km (0.111 R)
• M11: 4,198,763 km (0.112 R)
• M12: 4,661,619 km (0.081 R)
• M13: 4,976,523 km (0.106 R)
• M14: 6,944,632 km (0.113 R)
• M15: 7,125,047 km (0.111 R)
• M16: 8,224,143 km (0.078 R)
• M17: 9,991,343 km (0.103 R)
• M18: 12,787,177 km (0.06 R)
• M19: 13,264,245 km (0.068 R)
• M20: 15,443,736 km (0.117 R)
• M21: 16,779,047 km (0.115 R)
• M22: 17,850,616 km (0.068 R)
• M23: 23,694,657 km (0.083 R)
• M24: 36,055,630 km (0.084 R)
• M25: 37,972,428 km (0.094 R)
• M26: 41,710,280 km (0.052 R)
• M27: 42,456,025 km (0.077 R)
• M28: 43,059,054 km (0.093 R)
• M29: 46,478,263 km (0.071 R)
• M30: 50,578,292 km (0.038 R)
• M31: 53,150,328 km (0.113 R)
• M32: 53,850,746 km (0.085 R)
• M33: 54,203,198 km (0.08 R)
• M34: 63,719,119 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669

Radius: 7.2

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.77 AU - 12.11 AU

Year: 22495 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,645,493 km

• M1: 89,609 km (0.104 R)
• M2: 343,327 km (0.099 R)
• M3: 1,056,161 km (0.075 R)
• M4: 1,457,831 km (0.088 R)
• M5: 1,860,698 km (0.103 R)
• M6: 2,449,366 km (0.08 R)
• M7: 3,047,159 km (0.085 R)
• M8: 3,990,523 km (0.06 R)
• M9: 5,077,801 km (0.077 R)
• M10: 6,003,363 km (0.104 R)
• M11: 6,664,735 km (0.098 R)
• M12: 7,771,759 km (0.084 R)
• M13: 8,184,200 km (0.029 R)
• M14: 8,720,060 km (0.095 R)
• M15: 9,165,413 km (0.083 R)
• M16: 10,041,308 km (0.085 R)
• M17: 11,229,265 km (0.1 R)
• M18: 14,335,515 km (0.053 R)
• M19: 16,585,168 km (0.086 R)
• M20: 18,967,813 km (0.068 R)
• M21: 19,526,561 km (0.106 R)
• M22: 20,482,342 km (0.091 R)
• M23: 31,168,716 km (0.034 R)
• M24: 34,633,702 km (0.105 R)
• M25: 37,033,102 km (0.084 R)
• M26: 39,843,448 km (0.106 R)
• M27: 40,605,948 km (0.117 R)
• M28: 40,913,671 km (0.084 R)
• M29: 42,160,121 km (0.113 R)
• M30: 43,915,053 km (0.069 R)
• M31: 48,255,636 km (0.076 R)
• M32: 54,165,649 km (0.111 R)
• M33: 60,140,289 km (0.095 R)
• M34: 67,828,572 km (0.088 R)
• M35: 74,753,906 km (0.05 R)
• M36: 77,556,473 km (0.064 R)
• M37: 79,944,803 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: 381 - 16,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit