🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 14.2

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.54 AU - 0.56 AU

Year: 277 Days

Day: 15 Hours

Environment

Temp: -152 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,013,435 km

• M1: 176,675 km (0.075 R)
• M2: 728,990 km (0.115 R)
• M3: 1,346,979 km (0.11 R)
• M4: 1,972,448 km (0.095 R)
• M5: 2,472,554 km (0.099 R)
• M6: 3,266,320 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 8.5

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.66 AU - 0.74 AU

Year: 397 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,013,435 km

• M1: 105,766 km (0.088 R)
• M2: 422,464 km (0.078 R)
• M3: 769,382 km (0.11 R)
• M4: 1,264,551 km (0.091 R)
• M5: 1,595,461 km (0.078 R)
• M6: 1,871,320 km (0.085 R)
• M7: 2,295,430 km (0.087 R)
• M8: 2,690,069 km (0.066 R)
• M9: 3,062,268 km (0.092 R)
• M10: 3,337,080 km (0.094 R)
• M11: 4,124,862 km (0.048 R)
• M12: 4,518,903 km (0.074 R)
• M13: 5,015,568 km (0.091 R)
• M14: 5,768,045 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 8.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.79 AU - 1.25 AU

Year: 699 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,013,435 km

• M1: 104,419 km (0.106 R)
• M2: 388,506 km (0.11 R)
• M3: 689,048 km (0.068 R)
• M4: 1,038,957 km (0.094 R)
• M5: 1,599,351 km (0.094 R)
• M6: 2,198,490 km (0.066 R)
• M7: 4,828,122 km (0.114 R)
• M8: 5,282,301 km (0.098 R)
• M9: 5,623,982 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 14.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.43 AU - 2.63 AU

Year: 2729 Days

Day: 13.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,013,435 km

• M1: 178,470 km (0.106 R)
• M2: 708,047 km (0.11 R)
• M3: 1,734,887 km (0.106 R)
• M4: 2,221,528 km (0.106 R)
• M5: 2,720,587 km (0.106 R)
• M6: 3,295,043 km (0.113 R)
• M7: 4,441,411 km (0.06 R)
• M8: 6,195,895 km (0.118 R)
• M9: 7,449,675 km (0.079 R)
• M10: 8,795,308 km (0.114 R)
• M11: 9,302,744 km (0.116 R)
• M12: 9,791,480 km (0.034 R)
• M13: 10,297,420 km (0.081 R)
• M14: 11,151,474 km (0.114 R)
• M15: 11,877,173 km (0.063 R)
• M16: 15,513,449 km (0.102 R)
• M17: 17,022,592 km (0.112 R)
• M18: 18,686,868 km (0.101 R)
• M19: 19,406,285 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 14.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.58 AU - 3.16 AU

Year: 3298 Days

Day: 8.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,013,435 km

• M1: 175,329 km (0.04 R)
• M2: 676,781 km (0.101 R)
• M3: 2,248,157 km (0.089 R)
• M4: 3,702,846 km (0.113 R)
• M5: 5,064,636 km (0.041 R)
• M6: 5,663,626 km (0.119 R)
• M7: 6,198,737 km (0.105 R)
• M8: 7,064,909 km (0.12 R)
• M9: 7,814,694 km (0.119 R)
• M10: 8,582,579 km (0.09 R)
• M11: 9,547,486 km (0.107 R)
• M12: 10,230,250 km (0.102 R)
• M13: 11,026,859 km (0.065 R)
• M14: 11,693,617 km (0.098 R)
• M15: 14,096,308 km (0.105 R)
• M16: 15,286,060 km (0.109 R)
• M17: 15,801,275 km (0.025 R)
• M18: 16,649,495 km (0.053 R)
• M19: 17,139,877 km (0.059 R)
• M20: 17,752,331 km (0.077 R)
• M21: 20,535,300 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.2

Radius: 4.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.3 AU - 6.72 AU

Year: 9993 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,013,435 km

• M1: 58,493 km (0.094 R)
• M2: 222,452 km (0.077 R)
• M3: 395,387 km (0.094 R)
• M4: 572,361 km (0.118 R)
• M5: 787,483 km (0.093 R)
• M6: 1,111,961 km (0.098 R)
• M7: 1,720,376 km (0.118 R)
• M8: 2,250,102 km (0.104 R)
• M9: 3,756,253 km (0.117 R)
• M10: 4,639,329 km (0.113 R)
• M11: 6,041,809 km (0.115 R)
• M12: 6,480,281 km (0.057 R)
• M13: 6,806,105 km (0.115 R)
• M14: 7,142,850 km (0.085 R)
• M15: 7,922,853 km (0.098 R)
• M16: 8,295,501 km (0.109 R)
• M17: 8,758,058 km (0.119 R)
• M18: 9,903,828 km (0.042 R)
• M19: 12,241,295 km (0.118 R)
• M20: 13,302,392 km (0.115 R)
• M21: 13,722,164 km (0.109 R)
• M22: 16,669,392 km (0.041 R)
• M23: 19,471,360 km (0.113 R)
• M24: 20,983,345 km (0.102 R)
• M25: 24,864,961 km (0.094 R)
• M26: 25,986,347 km (0.07 R)
• M27: 27,646,135 km (0.118 R)
• M28: 27,986,321 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112

Radius: 3.2

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.69 AU - 8.79 AU

Year: 16043 Days

Day: 15.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,013,435 km

• M1: 40,691 km (0.108 R)
• M2: 140,323 km (0.065 R)
• M3: 1,400,834 km (0.107 R)
• M4: 1,827,936 km (0.09 R)
• M5: 2,530,747 km (0.112 R)
• M6: 3,138,115 km (0.072 R)
• M7: 4,209,534 km (0.034 R)
• M8: 5,231,737 km (0.052 R)
• M9: 7,004,172 km (0.032 R)
• M10: 7,712,518 km (0.027 R)
• M11: 8,024,579 km (0.061 R)
• M12: 8,223,993 km (0.045 R)
• M13: 8,757,459 km (0.049 R)
• M14: 9,667,613 km (0.085 R)
• M15: 13,487,744 km (0.03 R)
• M16: 16,741,199 km (0.112 R)
• M17: 17,329,866 km (0.066 R)
• M18: 18,756,880 km (0.034 R)
• M19: 19,534,640 km (0.084 R)
• M20: 21,003,541 km (0.048 R)
• M21: 22,861,247 km (0.073 R)
• M22: 29,462,104 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.7

Radius: 3.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.38 AU - 10.66 AU

Year: 19923 Days

Day: 17.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,013,435 km

• M1: 44,730 km (0.112 R)
• M2: 1,466,508 km (0.109 R)
• M3: 3,818,934 km (0.079 R)
• M4: 4,769,928 km (0.104 R)
• M5: 5,620,093 km (0.092 R)
• M6: 14,816,472 km (0.115 R)
• M7: 23,726,970 km (0.039 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 17,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit