🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.8

Radius: 8.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.71 AU - 0.75 AU

Year: 438 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,757,900 km

• M1: 107,262 km (0.11 R)
• M2: 477,965 km (0.118 R)
• M3: 781,948 km (0.111 R)
• M4: 1,198,129 km (0.028 R)
• M5: 1,476,082 km (0.058 R)
• M6: 1,777,522 km (0.093 R)
• M7: 2,549,746 km (0.1 R)
• M8: 3,016,940 km (0.091 R)
• M9: 4,038,993 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 8.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.69 AU - 0.87 AU

Year: 484 Days

Day: 7.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,757,900 km

• M1: 106,962 km (0.074 R)
• M2: 488,886 km (0.081 R)
• M3: 835,055 km (0.098 R)
• M4: 1,356,853 km (0.025 R)
• M5: 1,730,847 km (0.101 R)
• M6: 2,592,830 km (0.106 R)
• M7: 3,066,008 km (0.106 R)
• M8: 3,374,629 km (0.076 R)
• M9: 3,990,374 km (0.113 R)
• M10: 4,359,132 km (0.063 R)
• M11: 4,707,396 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 13.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.25 AU - 1.63 AU

Year: 1215 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,757,900 km

• M1: 169,644 km (0.091 R)
• M2: 662,868 km (0.068 R)
• M3: 1,165,367 km (0.094 R)
• M4: 2,091,079 km (0.085 R)
• M5: 2,591,185 km (0.108 R)
• M6: 3,433,122 km (0.116 R)
• M7: 3,869,798 km (0.089 R)
• M8: 4,468,339 km (0.106 R)
• M9: 5,430,552 km (0.078 R)
• M10: 6,433,756 km (0.099 R)
• M11: 7,277,039 km (0.105 R)
• M12: 7,765,027 km (0.072 R)
• M13: 8,329,759 km (0.112 R)
• M14: 8,778,403 km (0.116 R)
• M15: 9,361,984 km (0.073 R)
• M16: 10,509,699 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 14.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.43 AU - 2.39 AU

Year: 1855 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,757,900 km

• M1: 175,329 km (0.066 R)
• M2: 831,315 km (0.109 R)
• M3: 1,631,215 km (0.07 R)
• M4: 2,567,249 km (0.095 R)
• M5: 3,102,959 km (0.079 R)
• M6: 3,643,456 km (0.082 R)
• M7: 4,132,192 km (0.099 R)
• M8: 5,154,544 km (0.091 R)
• M9: 5,797,217 km (0.074 R)
• M10: 6,518,877 km (0.085 R)
• M11: 7,133,275 km (0.111 R)
• M12: 8,792,016 km (0.092 R)
• M13: 10,623,244 km (0.099 R)
• M14: 11,136,963 km (0.062 R)
• M15: 11,977,853 km (0.084 R)
• M16: 14,002,959 km (0.072 R)
• M17: 15,304,012 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 12.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.25 AU - 2.55 AU

Year: 2614 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,757,900 km

• M1: 159,471 km (0.05 R)
• M2: 579,093 km (0.037 R)
• M3: 1,220,120 km (0.092 R)
• M4: 1,645,726 km (0.047 R)
• M5: 2,123,093 km (0.082 R)
• M6: 2,678,849 km (0.091 R)
• M7: 3,431,925 km (0.038 R)
• M8: 3,990,374 km (0.118 R)
• M9: 4,402,516 km (0.115 R)
• M10: 5,668,263 km (0.04 R)
• M11: 6,089,381 km (0.11 R)
• M12: 6,883,746 km (0.111 R)
• M13: 7,597,477 km (0.075 R)
• M14: 8,743,996 km (0.071 R)
• M15: 10,073,921 km (0.117 R)
• M16: 11,613,133 km (0.083 R)
• M17: 13,132,000 km (0.098 R)
• M18: 14,140,739 km (0.114 R)
• M19: 15,390,031 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.8

Radius: 7.2

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.36 AU - 9.15 AU

Year: 15166 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 173.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,757,900 km

• M1: 89,609 km (0.12 R)
• M2: 358,287 km (0.117 R)
• M3: 812,017 km (0.092 R)
• M4: 4,155,230 km (0.103 R)
• M5: 4,484,795 km (0.088 R)
• M6: 4,799,399 km (0.103 R)
• M7: 5,795,721 km (0.082 R)
• M8: 6,401,143 km (0.085 R)
• M9: 9,101,086 km (0.057 R)
• M10: 9,918,189 km (0.115 R)
• M11: 10,290,838 km (0.051 R)
• M12: 13,292,818 km (0.097 R)
• M13: 19,595,825 km (0.108 R)
• M14: 22,374,456 km (0.041 R)
• M15: 27,432,061 km (0.051 R)
• M16: 28,913,528 km (0.073 R)
• M17: 29,564,578 km (0.058 R)
• M18: 30,559,255 km (0.079 R)
• M19: 35,128,422 km (0.083 R)
• M20: 39,334,067 km (0.107 R)
• M21: 40,942,992 km (0.1 R)
• M22: 41,626,056 km (0.068 R)
• M23: 42,039,545 km (0.072 R)
• M24: 42,874,899 km (0.094 R)
• M25: 50,114,987 km (0.067 R)
• M26: 55,424,515 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 13,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit