🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.9

Radius: 14.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.66 AU - 0.86 AU

Year: 428 Days

Day: 7 Hours

Environment

Temp: -135 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,315,307 km

• M1: 181,612 km (0.082 R)
• M2: 657,632 km (0.063 R)
• M3: 1,153,848 km (0.061 R)
• M4: 1,769,892 km (0.063 R)
• M5: 2,255,487 km (0.094 R)
• M6: 2,730,311 km (0.073 R)
• M7: 3,249,864 km (0.051 R)
• M8: 3,772,858 km (0.029 R)
• M9: 4,692,736 km (0.108 R)
• M10: 5,757,573 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 10.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.29 AU - 1.39 AU

Year: 1002 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,315,307 km

• M1: 126,859 km (0.117 R)
• M2: 485,595 km (0.077 R)
• M3: 1,008,888 km (0.115 R)
• M4: 1,421,180 km (0.119 R)
• M5: 1,925,923 km (0.062 R)
• M6: 3,063,316 km (0.119 R)
• M7: 3,513,605 km (0.109 R)
• M8: 4,221,502 km (0.096 R)
• M9: 4,565,428 km (0.12 R)
• M10: 5,212,738 km (0.083 R)
• M11: 5,732,142 km (0.071 R)
• M12: 6,133,363 km (0.117 R)
• M13: 8,837,345 km (0.065 R)
• M14: 9,694,540 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 12.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.44 AU - 2.4 AU

Year: 1718 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,315,307 km

• M1: 151,692 km (0.046 R)
• M2: 537,655 km (0.117 R)
• M3: 1,042,697 km (0.038 R)
• M4: 1,477,279 km (0.099 R)
• M5: 2,014,784 km (0.1 R)
• M6: 2,417,950 km (0.118 R)
• M7: 2,825,904 km (0.088 R)
• M8: 3,280,083 km (0.082 R)
• M9: 4,505,289 km (0.112 R)
• M10: 5,394,050 km (0.091 R)
• M11: 6,396,207 km (0.106 R)
• M12: 8,216,663 km (0.085 R)
• M13: 8,741,452 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 14.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.21 AU - 2.61 AU

Year: 2416 Days

Day: 5.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,315,307 km

• M1: 176,525 km (0.092 R)
• M2: 828,473 km (0.042 R)
• M3: 1,424,621 km (0.065 R)
• M4: 1,869,973 km (0.099 R)
• M5: 2,976,100 km (0.055 R)
• M6: 3,470,970 km (0.091 R)
• M7: 4,157,624 km (0.086 R)
• M8: 5,439,528 km (0.083 R)
• M9: 7,314,737 km (0.094 R)
• M10: 8,480,105 km (0.065 R)
• M11: 9,730,444 km (0.119 R)
• M12: 10,234,439 km (0.088 R)
• M13: 10,793,786 km (0.114 R)
• M14: 11,373,477 km (0.07 R)
• M15: 14,636,805 km (0.047 R)
• M16: 15,541,274 km (0.026 R)
• M17: 17,356,943 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.3

Radius: 12.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.05 AU - 3.79 AU

Year: 4084 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,315,307 km

• M1: 156,031 km (0.108 R)
• M2: 591,660 km (0.088 R)
• M3: 1,708,258 km (0.116 R)
• M4: 2,475,845 km (0.099 R)
• M5: 3,019,932 km (0.114 R)
• M6: 3,624,308 km (0.095 R)
• M7: 4,328,914 km (0.081 R)
• M8: 6,302,708 km (0.113 R)
• M9: 6,913,666 km (0.094 R)
• M10: 8,582,280 km (0.09 R)
• M11: 10,128,823 km (0.118 R)
• M12: 12,103,515 km (0.114 R)
• M13: 12,527,326 km (0.054 R)
• M14: 14,182,477 km (0.088 R)
• M15: 15,233,252 km (0.098 R)
• M16: 15,878,168 km (0.082 R)
• M17: 18,141,734 km (0.102 R)
• M18: 18,866,535 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 9.3

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.4 AU - 5.68 AU

Year: 7306 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,315,307 km

• M1: 115,938 km (0.119 R)
• M2: 562,488 km (0.102 R)
• M3: 1,742,666 km (0.079 R)
• M4: 2,184,279 km (0.061 R)
• M5: 2,755,144 km (0.072 R)
• M6: 3,782,732 km (0.109 R)
• M7: 5,607,078 km (0.106 R)
• M8: 6,574,078 km (0.08 R)
• M9: 7,097,372 km (0.116 R)
• M10: 8,188,090 km (0.083 R)
• M11: 11,178,102 km (0.077 R)
• M12: 12,862,874 km (0.083 R)
• M13: 19,063,855 km (0.106 R)
• M14: 23,881,056 km (0.09 R)
• M15: 28,166,586 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 10

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.58 AU - 6.28 AU

Year: 9324 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,315,307 km

• M1: 169,046 km (0.072 R)
• M2: 511,176 km (0.03 R)
• M3: 1,217,577 km (0.111 R)
• M4: 2,167,075 km (0.108 R)
• M5: 3,239,243 km (0.105 R)
• M6: 6,950,616 km (0.116 R)
• M7: 8,321,830 km (0.038 R)
• M8: 9,525,644 km (0.118 R)
• M9: 11,259,185 km (0.103 R)
• M10: 12,225,587 km (0.11 R)
• M11: 13,298,802 km (0.1 R)
• M12: 19,898,013 km (0.103 R)
• M13: 20,314,194 km (0.064 R)
• M14: 26,351,366 km (0.09 R)
• M15: 27,877,264 km (0.101 R)

Asteroid Belt

Center: 7.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 7

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.87 AU - 10.99 AU

Year: 18697 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,315,307 km

• M1: 87,066 km (0.115 R)
• M2: 338,839 km (0.105 R)
• M3: 612,454 km (0.091 R)
• M4: 1,201,720 km (0.076 R)
• M5: 1,546,543 km (0.093 R)
• M6: 2,215,544 km (0.056 R)
• M7: 3,185,537 km (0.114 R)
• M8: 3,414,571 km (0.093 R)
• M9: 5,376,996 km (0.088 R)
• M10: 6,003,811 km (0.112 R)
• M11: 8,083,222 km (0.091 R)
• M12: 8,854,997 km (0.114 R)
• M13: 12,128,049 km (0.114 R)
• M14: 12,437,866 km (0.119 R)
• M15: 13,730,093 km (0.12 R)
• M16: 15,396,014 km (0.098 R)
• M17: 16,960,659 km (0.077 R)
• M18: 24,282,876 km (0.057 R)
• M19: 25,780,201 km (0.038 R)
• M20: 26,811,828 km (0.074 R)
• M21: 27,763,719 km (0.062 R)
• M22: 31,330,731 km (0.094 R)
• M23: 32,624,304 km (0.076 R)
• M24: 32,863,211 km (0.089 R)
• M25: 33,953,032 km (0.11 R)
• M26: 39,223,664 km (0.095 R)
• M27: 45,757,650 km (0.048 R)
• M28: 46,660,025 km (0.103 R)
• M29: 49,595,733 km (0.098 R)
• M30: 51,836,111 km (0.066 R)
• M31: 55,321,891 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit