🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 11

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,498,026 km

• M1: 137,032 km (0.097 R)
• M2: 579,393 km (0.109 R)
• M3: 1,130,661 km (0.104 R)
• M4: 1,566,140 km (0.063 R)
• M5: 2,154,957 km (0.042 R)
• M6: 3,379,865 km (0.088 R)
• M7: 4,354,794 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 14.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.81 AU - 0.99 AU

Year: 589 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,498,026 km

• M1: 184,005 km (0.047 R)
• M2: 657,782 km (0.101 R)
• M3: 1,243,757 km (0.108 R)
• M4: 1,886,579 km (0.099 R)
• M5: 2,552,289 km (0.06 R)
• M6: 3,384,951 km (0.109 R)
• M7: 4,134,885 km (0.068 R)
• M8: 4,614,047 km (0.077 R)
• M9: 5,095,902 km (0.118 R)
• M10: 5,854,064 km (0.103 R)
• M11: 6,624,493 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 11.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.75 AU - 1.05 AU

Year: 589 Days

Day: 8.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,498,026 km

• M1: 141,968 km (0.101 R)
• M2: 668,702 km (0.071 R)
• M3: 1,264,401 km (0.087 R)
• M4: 1,849,179 km (0.091 R)
• M5: 2,488,112 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 10

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.88 AU - 1.16 AU

Year: 711 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,498,026 km

• M1: 124,615 km (0.046 R)
• M2: 487,988 km (0.095 R)
• M3: 814,860 km (0.084 R)
• M4: 1,130,960 km (0.071 R)
• M5: 1,587,832 km (0.094 R)
• M6: 2,686,329 km (0.099 R)
• M7: 3,206,182 km (0.1 R)
• M8: 4,764,243 km (0.091 R)
• M9: 5,770,588 km (0.119 R)
• M10: 6,148,024 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 14.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.56 AU - 2.86 AU

Year: 3079 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,498,026 km

• M1: 181,612 km (0.081 R)
• M2: 996,771 km (0.084 R)
• M3: 1,609,075 km (0.103 R)
• M4: 2,273,140 km (0.1 R)
• M5: 3,326,757 km (0.113 R)
• M6: 3,875,034 km (0.095 R)
• M7: 4,639,928 km (0.111 R)
• M8: 5,452,992 km (0.074 R)
• M9: 7,647,294 km (0.032 R)
• M10: 8,960,015 km (0.111 R)
• M11: 9,839,800 km (0.11 R)
• M12: 10,418,295 km (0.116 R)
• M13: 10,937,998 km (0.115 R)
• M14: 11,433,167 km (0.106 R)
• M15: 12,872,598 km (0.103 R)
• M16: 15,432,816 km (0.096 R)
• M17: 17,521,950 km (0.079 R)
• M18: 18,431,505 km (0.101 R)
• M19: 19,672,569 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.8

Radius: 13.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.7 AU - 3.88 AU

Year: 4119 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,498,026 km

• M1: 172,038 km (0.116 R)
• M2: 819,946 km (0.103 R)
• M3: 1,341,743 km (0.108 R)
• M4: 1,780,514 km (0.088 R)
• M5: 2,220,631 km (0.104 R)
• M6: 3,364,007 km (0.104 R)
• M7: 4,110,052 km (0.097 R)
• M8: 5,084,981 km (0.077 R)
• M9: 5,693,246 km (0.117 R)
• M10: 6,293,134 km (0.036 R)
• M11: 9,162,720 km (0.116 R)
• M12: 13,654,097 km (0.106 R)
• M13: 14,531,937 km (0.094 R)
• M14: 19,195,052 km (0.115 R)
• M15: 20,422,054 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 11.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.99 AU - 5.19 AU

Year: 6788 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,498,026 km

• M1: 141,819 km (0.06 R)
• M2: 505,940 km (0.119 R)
• M3: 1,004,998 km (0.112 R)
• M4: 1,370,915 km (0.079 R)
• M5: 1,827,936 km (0.087 R)
• M6: 5,060,746 km (0.099 R)
• M7: 10,569,389 km (0.081 R)
• M8: 12,579,984 km (0.103 R)
• M9: 14,929,120 km (0.086 R)
• M10: 15,412,321 km (0.065 R)
• M11: 16,461,002 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.5

Radius: 7.7

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.83 AU - 7.59 AU

Year: 10682 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,498,026 km

• M1: 101,876 km (0.112 R)
• M2: 348,264 km (0.092 R)
• M3: 650,601 km (0.079 R)
• M4: 1,009,636 km (0.082 R)
• M5: 1,285,644 km (0.115 R)
• M6: 2,376,063 km (0.12 R)
• M7: 3,312,097 km (0.105 R)
• M8: 4,268,775 km (0.087 R)
• M9: 5,131,805 km (0.096 R)
• M10: 5,639,541 km (0.112 R)
• M11: 6,444,227 km (0.036 R)
• M12: 7,879,021 km (0.031 R)
• M13: 8,601,279 km (0.063 R)
• M14: 10,021,561 km (0.088 R)
• M15: 10,281,413 km (0.085 R)
• M16: 10,652,715 km (0.113 R)
• M17: 11,198,597 km (0.115 R)
• M18: 13,010,078 km (0.045 R)
• M19: 15,076,174 km (0.082 R)
• M20: 15,974,659 km (0.111 R)
• M21: 18,184,070 km (0.087 R)
• M22: 18,884,637 km (0.07 R)
• M23: 20,672,930 km (0.118 R)
• M24: 25,923,366 km (0.09 R)
• M25: 34,413,345 km (0.032 R)
• M26: 41,575,043 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 18,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit