🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 15

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.59 AU - 0.75 AU

Year: 385 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,862,638 km

• M1: 186,549 km (0.111 R)
• M2: 893,698 km (0.117 R)
• M3: 1,721,871 km (0.077 R)
• M4: 2,232,000 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 13.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.85 AU - 0.97 AU

Year: 610 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,862,638 km

• M1: 164,109 km (0.07 R)
• M2: 583,282 km (0.115 R)
• M3: 1,652,009 km (0.109 R)
• M4: 2,093,473 km (0.062 R)
• M5: 2,507,560 km (0.111 R)
• M6: 3,199,300 km (0.086 R)
• M7: 4,042,134 km (0.1 R)
• M8: 4,560,042 km (0.115 R)
• M9: 5,461,669 km (0.112 R)
• M10: 5,972,845 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 11.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.59 AU - 5.11 AU

Year: 6377 Days

Day: 8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,862,638 km

• M1: 162,912 km (0.084 R)
• M2: 667,805 km (0.1 R)
• M3: 1,970,054 km (0.083 R)
• M4: 2,494,993 km (0.064 R)
• M5: 3,208,276 km (0.028 R)
• M6: 4,345,968 km (0.111 R)
• M7: 4,844,278 km (0.07 R)
• M8: 5,881,889 km (0.086 R)
• M9: 9,269,982 km (0.091 R)
• M10: 12,103,515 km (0.064 R)
• M11: 13,915,145 km (0.114 R)
• M12: 14,451,454 km (0.095 R)
• M13: 15,517,937 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 12.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.73 AU - 5.43 AU

Year: 6890 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,862,638 km

• M1: 155,432 km (0.072 R)
• M2: 685,757 km (0.04 R)
• M3: 1,440,627 km (0.077 R)
• M4: 2,059,963 km (0.117 R)
• M5: 7,991,967 km (0.118 R)
• M6: 9,062,489 km (0.05 R)
• M7: 9,612,411 km (0.096 R)
• M8: 10,650,022 km (0.099 R)
• M9: 11,442,292 km (0.085 R)
• M10: 12,132,238 km (0.095 R)
• M11: 15,502,528 km (0.062 R)
• M12: 16,752,418 km (0.077 R)
• M13: 20,770,318 km (0.105 R)
• M14: 23,953,013 km (0.059 R)
• M15: 26,405,071 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 8.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.05 AU - 6.11 AU

Year: 8048 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,862,638 km

• M1: 103,223 km (0.1 R)
• M2: 393,442 km (0.093 R)
• M3: 695,630 km (0.102 R)
• M4: 1,166,564 km (0.11 R)
• M5: 1,550,133 km (0.106 R)
• M6: 3,150,681 km (0.033 R)
• M7: 3,968,383 km (0.077 R)
• M8: 4,790,573 km (0.076 R)
• M9: 11,168,379 km (0.086 R)
• M10: 13,612,060 km (0.109 R)
• M11: 13,980,519 km (0.038 R)
• M12: 14,301,556 km (0.051 R)
• M13: 15,238,039 km (0.066 R)
• M14: 15,692,667 km (0.026 R)
• M15: 20,064,366 km (0.088 R)
• M16: 25,501,949 km (0.117 R)
• M17: 26,548,985 km (0.066 R)
• M18: 28,642,457 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.8

Radius: 6.2

Gravity: 19.25 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.94 AU - 8.98 AU

Year: 17297 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,862,638 km

• M1: 77,043 km (0.111 R)
• M2: 406,757 km (0.074 R)
• M3: 1,043,445 km (0.081 R)
• M4: 2,462,381 km (0.1 R)
• M5: 2,810,495 km (0.099 R)
• M6: 3,662,605 km (0.107 R)
• M7: 6,788,901 km (0.089 R)
• M8: 7,286,463 km (0.098 R)
• M9: 7,807,962 km (0.116 R)
• M10: 9,972,792 km (0.12 R)
• M11: 11,038,528 km (0.108 R)
• M12: 14,987,762 km (0.118 R)
• M13: 15,597,224 km (0.034 R)
• M14: 16,865,814 km (0.117 R)
• M15: 19,787,011 km (0.059 R)
• M16: 26,278,063 km (0.071 R)
• M17: 27,388,229 km (0.116 R)
• M18: 28,413,722 km (0.118 R)
• M19: 30,059,299 km (0.063 R)
• M20: 30,905,574 km (0.093 R)
• M21: 35,643,937 km (0.118 R)
• M22: 36,183,536 km (0.098 R)
• M23: 36,455,356 km (0.085 R)
• M24: 39,535,875 km (0.082 R)
• M25: 44,787,209 km (0.067 R)
• M26: 48,976,248 km (0.066 R)
• M27: 54,481,151 km (0.1 R)
• M28: 60,575,469 km (0.055 R)
• M29: 60,958,739 km (0.108 R)
• M30: 61,730,215 km (0.069 R)
• M31: 64,083,539 km (0.079 R)
• M32: 68,760,268 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 16,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit