🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 11.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.49 AU - 0.77 AU

Year: 333 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,563,970 km

• M1: 143,016 km (0.103 R)
• M2: 526,734 km (0.087 R)
• M3: 889,808 km (0.119 R)
• M4: 1,377,946 km (0.055 R)
• M5: 1,921,734 km (0.071 R)
• M6: 2,524,913 km (0.094 R)
• M7: 3,212,913 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.5

Radius: 13.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.81 AU - 1.31 AU

Year: 728 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,563,970 km

• M1: 167,849 km (0.091 R)
• M2: 849,118 km (0.028 R)
• M3: 1,500,018 km (0.1 R)
• M4: 1,945,969 km (0.086 R)
• M5: 2,442,335 km (0.088 R)
• M6: 2,989,564 km (0.093 R)
• M7: 5,011,229 km (0.087 R)
• M8: 5,956,838 km (0.11 R)
• M9: 6,657,554 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 14.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.06 AU - 1.68 AU

Year: 1069 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,563,970 km

• M1: 176,675 km (0.092 R)
• M2: 636,988 km (0.119 R)
• M3: 2,162,288 km (0.032 R)
• M4: 2,763,372 km (0.066 R)
• M5: 3,238,345 km (0.106 R)
• M6: 3,708,232 km (0.098 R)
• M7: 4,559,743 km (0.118 R)
• M8: 5,440,127 km (0.099 R)
• M9: 5,942,027 km (0.087 R)
• M10: 6,474,895 km (0.085 R)
• M11: 7,539,134 km (0.114 R)
• M12: 8,113,590 km (0.116 R)
• M13: 10,044,151 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.43 AU - 2.91 AU

Year: 2909 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,563,970 km

• M1: 168,148 km (0.086 R)
• M2: 695,630 km (0.03 R)
• M3: 1,255,725 km (0.073 R)
• M4: 2,011,792 km (0.082 R)
• M5: 2,435,753 km (0.086 R)
• M6: 2,970,565 km (0.1 R)
• M7: 3,680,407 km (0.111 R)
• M8: 4,279,546 km (0.116 R)
• M9: 6,108,679 km (0.116 R)
• M10: 6,535,482 km (0.093 R)
• M11: 7,871,541 km (0.102 R)
• M12: 10,626,834 km (0.109 R)
• M13: 11,288,955 km (0.086 R)
• M14: 14,868,084 km (0.058 R)
• M15: 15,749,963 km (0.117 R)
• M16: 16,230,621 km (0.082 R)
• M17: 16,666,250 km (0.113 R)
• M18: 17,789,431 km (0.086 R)
• M19: 18,428,513 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 11.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.75 AU - 3.01 AU

Year: 3259 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,563,970 km

• M1: 144,362 km (0.1 R)
• M2: 520,301 km (0.095 R)
• M3: 1,179,130 km (0.107 R)
• M4: 1,559,558 km (0.059 R)
• M5: 2,035,129 km (0.086 R)
• M6: 2,550,644 km (0.086 R)
• M7: 4,432,136 km (0.099 R)
• M8: 6,824,056 km (0.072 R)
• M9: 7,864,809 km (0.076 R)
• M10: 10,626,984 km (0.091 R)
• M11: 11,156,112 km (0.091 R)
• M12: 11,822,121 km (0.103 R)
• M13: 13,935,490 km (0.075 R)
• M14: 15,034,586 km (0.052 R)
• M15: 15,653,622 km (0.111 R)
• M16: 16,438,861 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 12.1

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.7 AU - 5.22 AU

Year: 7366 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,563,970 km

• M1: 150,795 km (0.104 R)
• M2: 1,603,390 km (0.088 R)
• M3: 2,833,234 km (0.102 R)
• M4: 3,288,909 km (0.055 R)
• M5: 4,935,383 km (0.116 R)
• M6: 5,522,705 km (0.071 R)
• M7: 6,633,768 km (0.036 R)
• M8: 10,154,404 km (0.025 R)
• M9: 11,901,707 km (0.038 R)
• M10: 12,335,242 km (0.084 R)
• M11: 12,734,519 km (0.118 R)
• M12: 13,188,249 km (0.074 R)
• M13: 13,936,687 km (0.115 R)
• M14: 14,467,460 km (0.052 R)
• M15: 19,153,165 km (0.086 R)
• M16: 20,235,356 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 9.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.69 AU - 5.63 AU

Year: 7816 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,563,970 km

• M1: 126,111 km (0.103 R)
• M2: 439,668 km (0.116 R)
• M3: 794,664 km (0.074 R)
• M4: 1,256,622 km (0.099 R)
• M5: 1,678,039 km (0.119 R)
• M6: 2,062,655 km (0.088 R)
• M7: 2,770,553 km (0.084 R)
• M8: 3,290,405 km (0.111 R)
• M9: 3,800,534 km (0.07 R)
• M10: 4,282,987 km (0.069 R)
• M11: 5,278,710 km (0.087 R)
• M12: 5,782,406 km (0.091 R)
• M13: 7,372,482 km (0.047 R)
• M14: 7,683,047 km (0.118 R)
• M15: 8,289,218 km (0.102 R)
• M16: 9,190,994 km (0.028 R)
• M17: 10,156,947 km (0.058 R)
• M18: 11,087,895 km (0.112 R)
• M19: 11,652,178 km (0.086 R)
• M20: 12,452,527 km (0.111 R)
• M21: 19,553,638 km (0.078 R)
• M22: 21,459,815 km (0.111 R)
• M23: 21,935,087 km (0.087 R)
• M24: 22,742,915 km (0.119 R)
• M25: 24,417,813 km (0.052 R)
• M26: 25,461,408 km (0.102 R)
• M27: 26,173,344 km (0.113 R)
• M28: 26,716,085 km (0.071 R)
• M29: 31,331,479 km (0.093 R)
• M30: 31,840,860 km (0.093 R)
• M31: 37,356,533 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.1

Radius: 6

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.46 AU - 10.1 AU

Year: 17349 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,563,970 km

• M1: 74,649 km (0.057 R)
• M2: 357,988 km (0.086 R)
• M3: 613,501 km (0.117 R)
• M4: 1,123,929 km (0.112 R)
• M5: 1,605,484 km (0.087 R)
• M6: 2,772,497 km (0.085 R)
• M7: 3,148,886 km (0.071 R)
• M8: 4,255,910 km (0.115 R)
• M9: 6,583,952 km (0.099 R)
• M10: 7,676,914 km (0.088 R)
• M11: 8,166,249 km (0.085 R)
• M12: 9,098,991 km (0.054 R)
• M13: 10,216,487 km (0.065 R)
• M14: 13,545,339 km (0.084 R)
• M15: 14,848,037 km (0.086 R)
• M16: 16,311,553 km (0.085 R)
• M17: 16,712,177 km (0.1 R)
• M18: 17,037,253 km (0.075 R)
• M19: 20,156,368 km (0.104 R)
• M20: 21,657,134 km (0.115 R)
• M21: 25,732,330 km (0.114 R)
• M22: 28,754,506 km (0.058 R)
• M23: 29,104,266 km (0.071 R)
• M24: 39,799,616 km (0.032 R)
• M25: 49,433,120 km (0.107 R)
• M26: 50,779,202 km (0.068 R)
• M27: 55,142,972 km (0.1 R)
• M28: 59,561,195 km (0.076 R)
• M29: 65,811,245 km (0.045 R)
• M30: 68,263,304 km (0.042 R)
• M31: 69,094,021 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit