🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 14.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.94 AU - 1.56 AU

Year: 965 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,603,329 km

• M1: 177,872 km (0.062 R)
• M2: 674,986 km (0.12 R)
• M3: 1,209,648 km (0.101 R)
• M4: 1,978,581 km (0.093 R)
• M5: 2,924,938 km (0.086 R)
• M6: 3,786,920 km (0.04 R)
• M7: 6,817,025 km (0.073 R)
• M8: 8,357,883 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.3

Radius: 14.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.67 AU - 1.95 AU

Year: 1681 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,603,329 km

• M1: 185,651 km (0.085 R)
• M2: 756,965 km (0.045 R)
• M3: 1,335,161 km (0.12 R)
• M4: 1,928,317 km (0.1 R)
• M5: 2,509,504 km (0.092 R)
• M6: 2,995,548 km (0.08 R)
• M7: 3,511,660 km (0.025 R)
• M8: 4,869,859 km (0.089 R)
• M9: 6,083,098 km (0.034 R)
• M10: 6,683,285 km (0.093 R)
• M11: 7,601,517 km (0.052 R)
• M12: 8,944,457 km (0.116 R)
• M13: 10,266,303 km (0.1 R)
• M14: 11,156,560 km (0.112 R)
• M15: 14,397,598 km (0.113 R)
• M16: 14,881,547 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 11.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.5 AU - 2.54 AU

Year: 2761 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,603,329 km

• M1: 146,606 km (0.046 R)
• M2: 675,285 km (0.119 R)
• M3: 1,139,936 km (0.094 R)
• M4: 1,513,033 km (0.113 R)
• M5: 2,192,207 km (0.094 R)
• M6: 2,812,440 km (0.113 R)
• M7: 3,369,393 km (0.09 R)
• M8: 4,058,141 km (0.057 R)
• M9: 4,816,303 km (0.093 R)
• M10: 5,300,701 km (0.076 R)
• M11: 6,180,486 km (0.11 R)
• M12: 6,725,471 km (0.038 R)
• M13: 8,788,725 km (0.106 R)
• M14: 9,233,330 km (0.063 R)
• M15: 10,581,656 km (0.047 R)
• M16: 11,283,270 km (0.109 R)
• M17: 11,891,385 km (0.079 R)
• M18: 13,440,321 km (0.073 R)
• M19: 15,659,756 km (0.052 R)
• M20: 17,895,047 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 11.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.07 AU - 4.43 AU

Year: 5013 Days

Day: 9.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,603,329 km

• M1: 141,819 km (0.031 R)
• M2: 497,563 km (0.06 R)
• M3: 1,035,965 km (0.119 R)
• M4: 1,414,897 km (0.114 R)
• M5: 2,495,891 km (0.037 R)
• M6: 4,383,517 km (0.087 R)
• M7: 4,957,973 km (0.06 R)
• M8: 5,376,996 km (0.095 R)
• M9: 6,008,748 km (0.114 R)
• M10: 8,070,356 km (0.096 R)
• M11: 8,651,993 km (0.117 R)
• M12: 9,520,408 km (0.067 R)
• M13: 9,975,934 km (0.117 R)
• M14: 13,679,528 km (0.049 R)
• M15: 14,507,104 km (0.111 R)
• M16: 15,213,505 km (0.077 R)
• M17: 15,784,371 km (0.118 R)
• M18: 17,135,389 km (0.03 R)
• M19: 17,753,527 km (0.104 R)
• M20: 18,270,388 km (0.038 R)
• M21: 18,738,180 km (0.091 R)
• M22: 19,154,063 km (0.098 R)
• M23: 19,758,887 km (0.1 R)
• M24: 20,501,341 km (0.111 R)
• M25: 20,943,104 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.8

Radius: 5.2

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.56 AU - 12.02 AU

Year: 21144 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,603,329 km

• M1: 64,776 km (0.096 R)
• M2: 227,538 km (0.094 R)
• M3: 568,322 km (0.099 R)
• M4: 1,045,091 km (0.106 R)
• M5: 1,220,120 km (0.06 R)
• M6: 1,399,039 km (0.098 R)
• M7: 1,561,652 km (0.027 R)
• M8: 1,867,430 km (0.117 R)
• M9: 2,233,795 km (0.089 R)
• M10: 2,845,800 km (0.043 R)
• M11: 4,568,420 km (0.068 R)
• M12: 5,193,440 km (0.041 R)
• M13: 8,375,386 km (0.095 R)
• M14: 11,313,040 km (0.043 R)
• M15: 11,508,564 km (0.097 R)
• M16: 12,244,436 km (0.104 R)
• M17: 12,728,834 km (0.065 R)
• M18: 15,264,817 km (0.029 R)
• M19: 15,583,610 km (0.099 R)
• M20: 16,317,388 km (0.104 R)
• M21: 17,941,422 km (0.11 R)
• M22: 22,724,515 km (0.098 R)
• M23: 28,292,548 km (0.065 R)
• M24: 28,894,829 km (0.056 R)
• M25: 33,218,955 km (0.087 R)
• M26: 37,520,343 km (0.081 R)
• M27: 38,835,308 km (0.079 R)
• M28: 46,871,556 km (0.118 R)
• M29: 48,054,426 km (0.086 R)
• M30: 59,411,897 km (0.107 R)
• M31: 65,079,562 km (0.078 R)
• M32: 65,707,424 km (0.087 R)
• M33: 69,559,420 km (0.08 R)
• M34: 70,435,315 km (0.112 R)
• M35: 71,986,047 km (0.201 R)
• M36: 73,107,432 km (0.117 R)
• M37: 73,559,218 km (0.083 R)
• M38: 76,774,226 km (0.098 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: 320 - 11,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit