🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 15

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 9.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,529,306 km

• M1: 186,549 km (0.097 R)
• M2: 653,743 km (0.117 R)
• M3: 1,182,721 km (0.066 R)
• M4: 1,883,288 km (0.111 R)
• M5: 2,369,929 km (0.101 R)
• M6: 3,004,524 km (0.071 R)
• M7: 3,472,765 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.5

Radius: 10.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.42 AU - 0.7 AU

Year: 289 Days

Day: 14.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,529,306 km

• M1: 129,402 km (0.111 R)
• M2: 598,840 km (0.102 R)
• M3: 1,340,397 km (0.106 R)
• M4: 1,905,278 km (0.085 R)
• M5: 2,295,579 km (0.079 R)
• M6: 2,689,022 km (0.059 R)
• M7: 3,090,542 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 12.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 27,529,306 km

• M1: 157,975 km (0.075 R)
• M2: 911,649 km (0.034 R)
• M3: 2,399,849 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444

Radius: 14.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 12.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,529,306 km

• M1: 184,155 km (0.116 R)
• M2: 709,842 km (0.104 R)
• M3: 1,229,844 km (0.066 R)
• M4: 1,948,063 km (0.041 R)
• M5: 2,418,549 km (0.088 R)
• M6: 2,946,629 km (0.079 R)
• M7: 3,508,519 km (0.108 R)
• M8: 4,033,159 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 11.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.81 AU - 0.99 AU

Year: 589 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,529,306 km

• M1: 145,559 km (0.033 R)
• M2: 594,053 km (0.095 R)
• M3: 1,123,929 km (0.093 R)
• M4: 1,581,997 km (0.107 R)
• M5: 2,088,985 km (0.114 R)
• M6: 2,625,592 km (0.072 R)
• M7: 3,977,807 km (0.076 R)
• M8: 4,691,838 km (0.041 R)
• M9: 5,525,996 km (0.074 R)
• M10: 6,194,549 km (0.087 R)
• M11: 7,331,343 km (0.09 R)
• M12: 7,809,308 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 14.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.72 AU - 2.24 AU

Year: 1923 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,529,306 km

• M1: 208,539 km (0.099 R)
• M2: 1,027,289 km (0.086 R)
• M3: 1,642,734 km (0.062 R)
• M4: 3,169,530 km (0.09 R)
• M5: 4,604,024 km (0.106 R)
• M6: 5,501,312 km (0.108 R)
• M7: 5,968,057 km (0.099 R)
• M8: 6,770,500 km (0.051 R)
• M9: 7,873,486 km (0.113 R)
• M10: 10,470,355 km (0.078 R)
• M11: 10,971,209 km (0.072 R)
• M12: 11,905,597 km (0.05 R)
• M13: 12,451,629 km (0.119 R)
• M14: 13,847,676 km (0.119 R)
• M15: 15,254,794 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 13.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.59 AU - 2.57 AU

Year: 2071 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,529,306 km

• M1: 167,849 km (0.118 R)
• M2: 591,360 km (0.067 R)
• M3: 1,064,688 km (0.087 R)
• M4: 1,612,216 km (0.052 R)
• M5: 2,267,754 km (0.061 R)
• M6: 3,886,852 km (0.108 R)
• M7: 4,655,336 km (0.102 R)
• M8: 5,238,020 km (0.099 R)
• M9: 5,669,759 km (0.09 R)
• M10: 6,125,135 km (0.075 R)
• M11: 8,949,393 km (0.109 R)
• M12: 9,853,563 km (0.067 R)
• M13: 11,441,694 km (0.071 R)
• M14: 12,297,095 km (0.056 R)
• M15: 15,313,287 km (0.086 R)
• M16: 17,490,684 km (0.058 R)
• M17: 17,917,487 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 12.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.93 AU - 3.03 AU

Year: 3551 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,529,306 km

• M1: 160,070 km (0.113 R)
• M2: 1,022,352 km (0.104 R)
• M3: 1,546,094 km (0.086 R)
• M4: 3,667,841 km (0.086 R)
• M5: 4,644,266 km (0.097 R)
• M6: 6,620,304 km (0.075 R)
• M7: 7,417,511 km (0.082 R)
• M8: 12,929,594 km (0.027 R)
• M9: 13,780,058 km (0.106 R)
• M10: 15,498,639 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.2

Radius: 5

Gravity: 22.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.79 AU - 11.07 AU

Year: 18420 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,529,306 km

• M1: 69,563 km (0.115 R)
• M2: 311,762 km (0.045 R)
• M3: 486,492 km (0.063 R)
• M4: 656,585 km (0.069 R)
• M5: 825,481 km (0.102 R)
• M6: 1,501,963 km (0.101 R)
• M7: 1,662,930 km (0.046 R)
• M8: 2,258,030 km (0.102 R)
• M9: 3,034,892 km (0.052 R)
• M10: 4,223,597 km (0.104 R)
• M11: 6,713,354 km (0.084 R)
• M12: 7,754,555 km (0.105 R)
• M13: 8,489,081 km (0.052 R)
• M14: 9,703,815 km (0.056 R)
• M15: 9,982,367 km (0.079 R)
• M16: 10,791,093 km (0.106 R)
• M17: 12,537,798 km (0.072 R)
• M18: 13,895,099 km (0.045 R)
• M19: 15,123,597 km (0.089 R)
• M20: 17,794,218 km (0.033 R)
• M21: 23,543,414 km (0.102 R)
• M22: 24,148,088 km (0.118 R)
• M23: 25,811,018 km (0.108 R)
• M24: 30,417,735 km (0.092 R)
• M25: 32,976,457 km (0.1 R)
• M26: 33,860,281 km (0.09 R)
• M27: 37,417,569 km (0.092 R)
• M28: 38,102,578 km (0.095 R)
• M29: 50,894,243 km (0.059 R)
• M30: 60,656,701 km (0.101 R)
• M31: 61,411,721 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.5

Radius: 3.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.41 AU - 10.29 AU

Year: 21339 Days

Day: 18.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,529,306 km

• M1: 62,083 km (0.105 R)
• M2: 248,781 km (0.086 R)
• M3: 930,948 km (0.08 R)
• M4: 2,119,203 km (0.059 R)
• M5: 4,712,782 km (0.073 R)
• M6: 4,918,329 km (0.119 R)
• M7: 5,858,552 km (0.116 R)
• M8: 11,269,058 km (0.109 R)
• M9: 12,154,079 km (0.037 R)
• M10: 14,756,783 km (0.102 R)
• M11: 15,928,433 km (0.099 R)
• M12: 22,654,054 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 20,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit