🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677

Radius: 10.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.52 AU - 0.84 AU

Year: 394 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,467,372 km

• M1: 129,402 km (0.069 R)
• M2: 501,602 km (0.049 R)
• M3: 829,071 km (0.08 R)
• M4: 1,278,463 km (0.07 R)
• M5: 1,640,041 km (0.092 R)
• M6: 2,013,587 km (0.116 R)
• M7: 2,528,204 km (0.081 R)
• M8: 2,863,453 km (0.047 R)
• M9: 3,612,489 km (0.053 R)
• M10: 4,417,476 km (0.048 R)
• M11: 4,818,398 km (0.082 R)
• M12: 5,196,731 km (0.106 R)
• M13: 5,529,885 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 8.6

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.55 AU - 0.81 AU

Year: 394 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,467,372 km

• M1: 106,962 km (0.095 R)
• M2: 412,292 km (0.041 R)
• M3: 799,301 km (0.047 R)
• M4: 1,142,629 km (0.103 R)
• M5: 1,466,957 km (0.097 R)
• M6: 1,913,357 km (0.068 R)
• M7: 2,305,602 km (0.099 R)
• M8: 2,673,015 km (0.065 R)
• M9: 3,068,402 km (0.106 R)
• M10: 3,364,606 km (0.117 R)
• M11: 3,656,022 km (0.092 R)
• M12: 4,092,399 km (0.028 R)
• M13: 4,718,616 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 13

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.8 AU - 1.28 AU

Year: 746 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,467,372 km

• M1: 161,865 km (0.089 R)
• M2: 620,532 km (0.118 R)
• M3: 1,750,594 km (0.036 R)
• M4: 2,269,549 km (0.12 R)
• M5: 3,142,902 km (0.086 R)
• M6: 3,569,405 km (0.051 R)
• M7: 4,367,510 km (0.106 R)
• M8: 5,551,577 km (0.08 R)
• M9: 6,278,772 km (0.104 R)
• M10: 6,728,164 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 13.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.6 AU - 2.18 AU

Year: 1826 Days

Day: 12 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,467,372 km

• M1: 166,652 km (0.077 R)
• M2: 609,462 km (0.115 R)
• M3: 1,064,090 km (0.115 R)
• M4: 1,916,947 km (0.084 R)
• M5: 3,288,012 km (0.107 R)
• M6: 4,356,140 km (0.101 R)
• M7: 4,809,871 km (0.076 R)
• M8: 5,706,860 km (0.103 R)
• M9: 6,502,421 km (0.119 R)
• M10: 6,999,984 km (0.109 R)
• M11: 10,004,058 km (0.096 R)
• M12: 10,476,040 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.1

Radius: 7.9

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.2 AU - 7.06 AU

Year: 10668 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,467,372 km

• M1: 98,286 km (0.119 R)
• M2: 361,877 km (0.108 R)
• M3: 754,422 km (0.079 R)
• M4: 1,616,255 km (0.096 R)
• M5: 2,277,328 km (0.116 R)
• M6: 2,893,073 km (0.058 R)
• M7: 7,452,667 km (0.063 R)
• M8: 8,755,215 km (0.119 R)
• M9: 9,862,988 km (0.093 R)
• M10: 11,061,416 km (0.057 R)
• M11: 13,328,871 km (0.086 R)
• M12: 14,169,312 km (0.104 R)
• M13: 15,301,169 km (0.087 R)
• M14: 17,390,004 km (0.112 R)
• M15: 19,282,717 km (0.111 R)
• M16: 21,068,018 km (0.089 R)
• M17: 24,696,514 km (0.072 R)
• M18: 29,917,629 km (0.104 R)
• M19: 33,926,104 km (0.078 R)
• M20: 37,922,163 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.9

Radius: 6.5

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.02 AU - 7.18 AU

Year: 13298 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,467,372 km

• M1: 87,664 km (0.115 R)
• M2: 385,364 km (0.063 R)
• M3: 596,148 km (0.11 R)
• M4: 835,654 km (0.085 R)
• M5: 1,353,562 km (0.113 R)
• M6: 1,742,516 km (0.118 R)
• M7: 2,144,037 km (0.106 R)
• M8: 2,539,125 km (0.119 R)
• M9: 3,182,695 km (0.071 R)
• M10: 3,584,365 km (0.039 R)
• M11: 3,929,786 km (0.091 R)
• M12: 4,297,049 km (0.057 R)
• M13: 5,135,844 km (0.115 R)
• M14: 5,612,763 km (0.112 R)
• M15: 6,039,116 km (0.094 R)
• M16: 6,362,697 km (0.082 R)
• M17: 7,088,396 km (0.077 R)
• M18: 8,156,525 km (0.094 R)
• M19: 9,169,003 km (0.081 R)
• M20: 10,549,343 km (0.095 R)
• M21: 11,874,032 km (0.112 R)
• M22: 13,923,672 km (0.037 R)
• M23: 16,743,891 km (0.07 R)
• M24: 18,287,442 km (0.093 R)
• M25: 19,050,541 km (0.108 R)
• M26: 21,189,491 km (0.072 R)
• M27: 21,560,943 km (0.098 R)
• M28: 22,221,268 km (0.117 R)
• M29: 24,283,474 km (0.114 R)
• M30: 28,445,437 km (0.095 R)
• M31: 30,753,433 km (0.11 R)
• M32: 31,831,734 km (0.034 R)
• M33: 43,734,638 km (0.032 R)
• M34: 45,711,724 km (0.119 R)
• M35: 54,911,544 km (0.08 R)
• M36: 63,333,306 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 19,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit