🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 10.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.61 AU - 0.83 AU

Year: 394 Days

Day: 13.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,243,132 km

• M1: 128,056 km (0.091 R)
• M2: 512,672 km (0.094 R)
• M3: 1,080,994 km (0.1 R)
• M4: 1,453,643 km (0.098 R)
• M5: 2,089,134 km (0.057 R)
• M6: 2,434,855 km (0.099 R)
• M7: 2,974,754 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917

Radius: 11

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.35 AU - 2.19 AU

Year: 1520 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,243,132 km

• M1: 138,976 km (0.112 R)
• M2: 485,595 km (0.033 R)
• M3: 1,297,762 km (0.114 R)
• M4: 2,344,348 km (0.103 R)
• M5: 2,699,942 km (0.05 R)
• M6: 3,277,989 km (0.039 R)
• M7: 3,639,417 km (0.08 R)
• M8: 4,581,884 km (0.072 R)
• M9: 5,362,036 km (0.108 R)
• M10: 6,891,824 km (0.069 R)
• M11: 7,517,143 km (0.097 R)
• M12: 8,787,379 km (0.115 R)
• M13: 10,195,544 km (0.112 R)
• M14: 13,371,506 km (0.078 R)
• M15: 14,129,220 km (0.094 R)
• M16: 14,475,090 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 12.1

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2 AU - 2.4 AU

Year: 2107 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,243,132 km

• M1: 150,495 km (0.032 R)
• M2: 537,954 km (0.084 R)
• M3: 1,066,483 km (0.094 R)
• M4: 1,458,130 km (0.069 R)
• M5: 4,342,377 km (0.12 R)
• M6: 5,395,247 km (0.088 R)
• M7: 5,790,335 km (0.093 R)
• M8: 6,257,829 km (0.106 R)
• M9: 7,876,477 km (0.12 R)
• M10: 8,517,355 km (0.092 R)
• M11: 8,986,344 km (0.097 R)
• M12: 9,437,382 km (0.119 R)
• M13: 10,086,636 km (0.086 R)
• M14: 10,959,540 km (0.072 R)
• M15: 13,118,387 km (0.066 R)
• M16: 13,745,052 km (0.099 R)
• M17: 15,350,238 km (0.084 R)
• M18: 17,555,011 km (0.113 R)
• M19: 18,761,219 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 10.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.24 AU - 3.12 AU

Year: 2833 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,243,132 km

• M1: 127,607 km (0.109 R)
• M2: 498,909 km (0.112 R)
• M3: 2,357,962 km (0.091 R)
• M4: 3,568,657 km (0.1 R)
• M5: 5,729,748 km (0.117 R)
• M6: 6,982,032 km (0.04 R)
• M7: 7,375,624 km (0.079 R)
• M8: 9,571,122 km (0.087 R)
• M9: 9,981,768 km (0.075 R)
• M10: 12,127,301 km (0.114 R)
• M11: 12,564,127 km (0.082 R)
• M12: 13,796,364 km (0.057 R)
• M13: 14,858,509 km (0.108 R)
• M14: 18,144,875 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 9.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.75 AU - 3.57 AU

Year: 3627 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,243,132 km

• M1: 113,096 km (0.113 R)
• M2: 531,372 km (0.052 R)
• M3: 1,173,745 km (0.106 R)
• M4: 1,646,624 km (0.077 R)
• M5: 1,934,151 km (0.113 R)
• M6: 2,255,487 km (0.1 R)
• M7: 2,759,931 km (0.077 R)
• M8: 3,879,372 km (0.119 R)
• M9: 4,888,559 km (0.095 R)
• M10: 5,490,541 km (0.072 R)
• M11: 6,758,832 km (0.038 R)
• M12: 7,212,413 km (0.114 R)
• M13: 8,403,511 km (0.086 R)
• M14: 8,828,219 km (0.072 R)
• M15: 10,116,107 km (0.103 R)
• M16: 14,080,900 km (0.04 R)
• M17: 17,992,435 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 14

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.96 AU - 3.7 AU

Year: 3924 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 110.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,243,132 km

• M1: 174,132 km (0.072 R)
• M2: 1,644,679 km (0.051 R)
• M3: 3,623,709 km (0.085 R)
• M4: 4,500,353 km (0.085 R)
• M5: 5,985,710 km (0.112 R)
• M6: 6,869,534 km (0.053 R)
• M7: 7,535,694 km (0.07 R)
• M8: 8,024,280 km (0.072 R)
• M9: 9,618,694 km (0.113 R)
• M10: 12,519,995 km (0.062 R)
• M11: 13,163,565 km (0.105 R)
• M12: 17,394,492 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 9.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.03 AU - 3.95 AU

Year: 4210 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,243,132 km

• M1: 120,576 km (0.038 R)
• M2: 422,614 km (0.087 R)
• M3: 1,230,891 km (0.077 R)
• M4: 1,826,291 km (0.109 R)
• M5: 2,522,519 km (0.085 R)
• M6: 2,809,747 km (0.096 R)
• M7: 3,566,712 km (0.059 R)
• M8: 5,172,047 km (0.067 R)
• M9: 5,942,177 km (0.101 R)
• M10: 6,657,554 km (0.101 R)
• M11: 7,319,525 km (0.106 R)
• M12: 8,499,253 km (0.081 R)
• M13: 8,898,530 km (0.11 R)
• M14: 9,407,013 km (0.101 R)
• M15: 10,378,053 km (0.075 R)
• M16: 11,637,368 km (0.097 R)
• M17: 13,035,958 km (0.105 R)
• M18: 13,986,204 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 14.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.51 AU - 4.59 AU

Year: 6267 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,243,132 km

• M1: 180,565 km (0.119 R)
• M2: 727,644 km (0.082 R)
• M3: 1,468,154 km (0.101 R)
• M4: 2,058,317 km (0.095 R)
• M5: 4,938,076 km (0.115 R)
• M6: 5,608,873 km (0.094 R)
• M7: 7,312,194 km (0.118 R)
• M8: 8,514,363 km (0.117 R)
• M9: 9,698,280 km (0.116 R)
• M10: 10,598,261 km (0.07 R)
• M11: 12,051,904 km (0.113 R)
• M12: 14,051,279 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.7

Radius: 5.8

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.25 AU - 9.11 AU

Year: 13742 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,243,132 km

• M1: 72,705 km (0.075 R)
• M2: 328,218 km (0.106 R)
• M3: 776,413 km (0.087 R)
• M4: 1,021,903 km (0.068 R)
• M5: 1,281,755 km (0.105 R)
• M6: 2,917,607 km (0.064 R)
• M7: 3,396,021 km (0.109 R)
• M8: 4,307,521 km (0.068 R)
• M9: 5,470,944 km (0.081 R)
• M10: 5,913,005 km (0.081 R)
• M11: 6,269,048 km (0.025 R)
• M12: 7,182,044 km (0.051 R)
• M13: 7,670,332 km (0.065 R)
• M14: 8,180,460 km (0.116 R)
• M15: 8,849,612 km (0.114 R)
• M16: 10,095,014 km (0.116 R)
• M17: 12,289,465 km (0.1 R)
• M18: 13,588,872 km (0.1 R)
• M19: 14,020,911 km (0.05 R)
• M20: 19,706,827 km (0.114 R)
• M21: 21,232,875 km (0.109 R)
• M22: 27,145,730 km (0.089 R)
• M23: 35,326,041 km (0.056 R)
• M24: 43,661,036 km (0.097 R)
• M25: 44,062,258 km (0.085 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: 438 - 11,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit