🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.8

Radius: 11.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 7.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,624,186 km

• M1: 147,952 km (0.077 R)
• M2: 590,612 km (0.1 R)
• M3: 973,284 km (0.108 R)
• M4: 1,371,214 km (0.091 R)
• M5: 1,767,200 km (0.112 R)
• M6: 2,154,658 km (0.098 R)
• M7: 2,541,817 km (0.047 R)
• M8: 2,922,843 km (0.106 R)
• M9: 3,751,615 km (0.107 R)
• M10: 4,643,219 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 10.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.25 AU - 2.07 AU

Year: 1476 Days

Day: 15 Hours

Environment

Temp: -189 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,624,186 km

• M1: 133,142 km (0.112 R)
• M2: 487,689 km (0.114 R)
• M3: 892,800 km (0.116 R)
• M4: 1,381,686 km (0.099 R)
• M5: 1,807,741 km (0.046 R)
• M6: 2,459,688 km (0.103 R)
• M7: 3,134,674 km (0.116 R)
• M8: 4,153,435 km (0.076 R)
• M9: 4,601,780 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 12.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.3 AU - 2.14 AU

Year: 1557 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,624,186 km

• M1: 154,385 km (0.098 R)
• M2: 647,310 km (0.034 R)
• M3: 1,086,230 km (0.104 R)
• M4: 1,505,852 km (0.099 R)
• M5: 2,070,135 km (0.081 R)
• M6: 2,837,273 km (0.09 R)
• M7: 4,370,801 km (0.111 R)
• M8: 5,128,664 km (0.045 R)
• M9: 5,793,028 km (0.085 R)
• M10: 6,475,643 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 10.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.62 AU - 3.88 AU

Year: 5013 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,624,186 km

• M1: 135,536 km (0.12 R)
• M2: 747,391 km (0.04 R)
• M3: 1,888,524 km (0.091 R)
• M4: 2,470,310 km (0.093 R)
• M5: 4,320,686 km (0.108 R)
• M6: 5,180,873 km (0.093 R)
• M7: 5,678,885 km (0.078 R)
• M8: 7,175,462 km (0.06 R)
• M9: 9,521,007 km (0.08 R)
• M10: 10,149,168 km (0.092 R)
• M11: 10,973,004 km (0.112 R)
• M12: 12,521,043 km (0.086 R)
• M13: 13,131,551 km (0.105 R)
• M14: 13,959,875 km (0.032 R)
• M15: 15,828,502 km (0.025 R)
• M16: 17,799,603 km (0.085 R)
• M17: 22,223,661 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 9.8

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.48 AU - 6.58 AU

Year: 8976 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,624,186 km

• M1: 121,922 km (0.05 R)
• M2: 532,868 km (0.12 R)
• M3: 933,790 km (0.113 R)
• M4: 1,456,186 km (0.091 R)
• M5: 1,901,090 km (0.103 R)
• M6: 2,270,447 km (0.075 R)
• M7: 3,044,765 km (0.11 R)
• M8: 3,481,292 km (0.04 R)
• M9: 6,179,888 km (0.087 R)
• M10: 8,358,931 km (0.037 R)
• M11: 10,035,773 km (0.104 R)
• M12: 12,433,677 km (0.119 R)
• M13: 13,734,880 km (0.087 R)
• M14: 15,988,721 km (0.051 R)
• M15: 16,536,549 km (0.106 R)
• M16: 18,255,578 km (0.108 R)
• M17: 19,311,589 km (0.03 R)
• M18: 20,809,363 km (0.087 R)
• M19: 22,213,788 km (0.067 R)
• M20: 23,680,296 km (0.112 R)
• M21: 28,366,898 km (0.096 R)
• M22: 31,670,468 km (0.061 R)
• M23: 32,425,937 km (0.087 R)
• M24: 33,860,580 km (0.118 R)
• M25: 34,764,301 km (0.096 R)
• M26: 35,568,091 km (0.118 R)
• M27: 36,737,796 km (0.069 R)
• M28: 38,907,713 km (0.095 R)
• M29: 39,277,519 km (0.062 R)
• M30: 44,569,095 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.2

Radius: 3.7

Gravity: 30.55 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.26 AU - 10.44 AU

Year: 16655 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,624,186 km

• M1: 50,265 km (0.103 R)
• M2: 597,643 km (0.103 R)
• M3: 1,285,794 km (0.061 R)
• M4: 1,746,705 km (0.096 R)
• M5: 2,078,962 km (0.063 R)
• M6: 2,687,376 km (0.112 R)
• M7: 3,537,690 km (0.072 R)
• M8: 4,616,590 km (0.053 R)
• M9: 6,087,287 km (0.06 R)
• M10: 7,708,180 km (0.114 R)
• M11: 8,641,671 km (0.049 R)
• M12: 9,287,335 km (0.092 R)
• M13: 10,017,971 km (0.071 R)
• M14: 12,376,980 km (0.065 R)
• M15: 22,254,030 km (0.082 R)
• M16: 33,520,844 km (0.099 R)
• M17: 35,477,434 km (0.066 R)
• M18: 42,923,967 km (0.091 R)
• M19: 43,065,637 km (0.03 R)
• M20: 46,709,392 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.2

Radius: 5.7

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.5 AU - 11.26 AU

Year: 19830 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,624,186 km

• M1: 71,358 km (0.092 R)
• M2: 262,993 km (0.105 R)
• M3: 533,765 km (0.12 R)
• M4: 841,338 km (0.103 R)
• M5: 1,018,612 km (0.107 R)
• M6: 1,527,843 km (0.093 R)
• M7: 1,742,815 km (0.09 R)
• M8: 3,216,354 km (0.092 R)
• M9: 3,892,237 km (0.031 R)
• M10: 4,295,852 km (0.079 R)
• M11: 4,970,688 km (0.108 R)
• M12: 5,186,259 km (0.064 R)
• M13: 6,030,739 km (0.089 R)
• M14: 6,613,871 km (0.103 R)
• M15: 8,185,547 km (0.088 R)
• M16: 8,435,974 km (0.105 R)
• M17: 9,111,109 km (0.119 R)
• M18: 12,369,799 km (0.113 R)
• M19: 13,171,644 km (0.1 R)
• M20: 16,887,954 km (0.09 R)
• M21: 17,212,432 km (0.067 R)
• M22: 29,809,171 km (0.105 R)
• M23: 31,981,332 km (0.113 R)
• M24: 38,986,103 km (0.085 R)
• M25: 40,268,904 km (0.061 R)
• M26: 42,618,489 km (0.055 R)
• M27: 43,826,940 km (0.1 R)
• M28: 51,730,644 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 16,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit