🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

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: 105.6

Radius: 9.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.69 AU - 1.05 AU

Year: 524 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,252,219 km

• M1: 116,537 km (0.038 R)
• M2: 569,519 km (0.055 R)
• M3: 898,485 km (0.097 R)
• M4: 1,201,271 km (0.07 R)
• M5: 1,515,726 km (0.087 R)
• M6: 2,775,190 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 11.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.89 AU - 1.03 AU

Year: 607 Days

Day: 11.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,252,219 km

• M1: 139,724 km (0.071 R)
• M2: 506,090 km (0.067 R)
• M3: 933,491 km (0.065 R)
• M4: 1,537,268 km (0.117 R)
• M5: 1,913,357 km (0.091 R)
• M6: 2,445,177 km (0.087 R)
• M7: 3,007,366 km (0.058 R)
• M8: 3,505,677 km (0.103 R)
• M9: 4,058,590 km (0.048 R)
• M10: 4,565,577 km (0.078 R)
• M11: 5,194,038 km (0.1 R)
• M12: 6,037,770 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 14.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.86 AU - 2.16 AU

Year: 1840 Days

Day: 7.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,252,219 km

• M1: 178,171 km (0.042 R)
• M2: 857,345 km (0.092 R)
• M3: 1,333,366 km (0.104 R)
• M4: 2,366,638 km (0.072 R)
• M5: 3,529,762 km (0.093 R)
• M6: 3,993,515 km (0.118 R)
• M7: 4,599,985 km (0.11 R)
• M8: 5,111,460 km (0.062 R)
• M9: 5,590,024 km (0.118 R)
• M10: 6,377,357 km (0.042 R)
• M11: 6,988,016 km (0.119 R)
• M12: 8,419,967 km (0.115 R)
• M13: 8,927,702 km (0.097 R)
• M14: 9,557,210 km (0.104 R)
• M15: 10,180,733 km (0.105 R)
• M16: 14,020,911 km (0.031 R)
• M17: 15,758,939 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.2

Radius: 12.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.83 AU - 5.81 AU

Year: 6833 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,252,219 km

• M1: 154,235 km (0.056 R)
• M2: 889,958 km (0.05 R)
• M3: 1,513,182 km (0.072 R)
• M4: 2,130,423 km (0.045 R)
• M5: 2,930,024 km (0.099 R)
• M6: 3,828,210 km (0.081 R)
• M7: 5,150,056 km (0.097 R)
• M8: 5,612,763 km (0.109 R)
• M9: 6,655,460 km (0.079 R)
• M10: 7,347,799 km (0.078 R)
• M11: 8,835,699 km (0.087 R)
• M12: 10,021,861 km (0.096 R)
• M13: 10,561,610 km (0.087 R)
• M14: 13,611,461 km (0.106 R)
• M15: 15,132,573 km (0.098 R)
• M16: 18,913,808 km (0.064 R)
• M17: 20,588,706 km (0.106 R)
• M18: 22,209,001 km (0.096 R)
• M19: 24,151,679 km (0.056 R)
• M20: 25,952,837 km (0.113 R)
• M21: 31,223,020 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.4

Radius: 7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.13 AU - 9.37 AU

Year: 15300 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,252,219 km

• M1: 88,562 km (0.049 R)
• M2: 330,462 km (0.111 R)
• M3: 793,318 km (0.1 R)
• M4: 2,063,703 km (0.096 R)
• M5: 2,530,598 km (0.1 R)
• M6: 3,287,563 km (0.103 R)
• M7: 4,745,992 km (0.072 R)
• M8: 5,155,143 km (0.09 R)
• M9: 6,106,884 km (0.084 R)
• M10: 6,492,398 km (0.057 R)
• M11: 8,275,904 km (0.12 R)
• M12: 17,766,542 km (0.115 R)
• M13: 19,704,433 km (0.1 R)
• M14: 20,475,012 km (0.12 R)
• M15: 22,376,102 km (0.072 R)
• M16: 22,983,918 km (0.089 R)
• M17: 25,443,755 km (0.039 R)
• M18: 25,773,320 km (0.087 R)
• M19: 27,378,355 km (0.102 R)
• M20: 31,066,541 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.8

Radius: 4.4

Gravity: 17.55 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.35 AU - 9.09 AU

Year: 16626 Days

Day: 19.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,252,219 km

• M1: 65,075 km (0.108 R)
• M2: 207,043 km (0.087 R)
• M3: 526,585 km (0.032 R)
• M4: 790,176 km (0.085 R)
• M5: 1,379,143 km (0.059 R)
• M6: 2,475,097 km (0.085 R)
• M7: 2,927,930 km (0.081 R)
• M8: 3,485,032 km (0.057 R)
• M9: 4,433,632 km (0.062 R)
• M10: 4,648,305 km (0.114 R)
• M11: 5,032,772 km (0.091 R)
• M12: 6,086,240 km (0.093 R)
• M13: 6,624,942 km (0.118 R)
• M14: 7,321,021 km (0.076 R)
• M15: 8,571,808 km (0.089 R)
• M16: 8,953,881 km (0.091 R)
• M17: 10,220,975 km (0.119 R)
• M18: 10,869,632 km (0.082 R)
• M19: 14,065,641 km (0.106 R)
• M20: 17,379,084 km (0.1 R)
• M21: 17,606,622 km (0.11 R)
• M22: 27,496,687 km (0.08 R)
• M23: 28,852,792 km (0.056 R)
• M24: 34,964,762 km (0.077 R)
• M25: 37,557,293 km (0.041 R)
• M26: 47,711,249 km (0.075 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: 361 - 16,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit