🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 11.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.56 AU - 0.62 AU

Year: 313 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,487,767 km

• M1: 144,362 km (0.107 R)
• M2: 531,222 km (0.076 R)
• M3: 932,593 km (0.08 R)
• M4: 1,365,529 km (0.081 R)
• M5: 1,961,976 km (0.093 R)
• M6: 2,330,286 km (0.08 R)
• M7: 2,913,119 km (0.117 R)
• M8: 3,703,146 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 8.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.31 AU - 1.73 AU

Year: 1294 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,487,767 km

• M1: 100,679 km (0.071 R)
• M2: 522,994 km (0.072 R)
• M3: 809,773 km (0.111 R)
• M4: 1,110,315 km (0.116 R)
• M5: 1,438,234 km (0.076 R)
• M6: 1,757,326 km (0.073 R)
• M7: 2,133,864 km (0.03 R)
• M8: 2,670,621 km (0.106 R)
• M9: 3,308,357 km (0.087 R)
• M10: 3,581,373 km (0.114 R)
• M11: 4,140,719 km (0.086 R)
• M12: 4,527,580 km (0.115 R)
• M13: 5,030,976 km (0.071 R)
• M14: 5,511,485 km (0.12 R)
• M15: 7,020,778 km (0.074 R)
• M16: 7,997,652 km (0.108 R)
• M17: 9,173,641 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 13.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.07 AU - 2.59 AU

Year: 2455 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,487,767 km

• M1: 171,738 km (0.106 R)
• M2: 925,861 km (0.032 R)
• M3: 1,620,295 km (0.078 R)
• M4: 2,735,247 km (0.088 R)
• M5: 4,069,212 km (0.083 R)
• M6: 4,671,792 km (0.071 R)
• M7: 5,098,445 km (0.111 R)
• M8: 5,825,790 km (0.075 R)
• M9: 8,659,622 km (0.087 R)
• M10: 9,732,538 km (0.043 R)
• M11: 10,737,686 km (0.111 R)
• M12: 11,606,850 km (0.119 R)
• M13: 12,954,278 km (0.107 R)
• M14: 13,530,529 km (0.104 R)
• M15: 14,077,758 km (0.091 R)
• M16: 16,313,199 km (0.029 R)
• M17: 18,220,871 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.2

Radius: 11.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.33 AU - 2.37 AU

Year: 2487 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,487,767 km

• M1: 141,819 km (0.058 R)
• M2: 651,200 km (0.06 R)
• M3: 1,361,191 km (0.109 R)
• M4: 2,078,214 km (0.087 R)
• M5: 2,608,688 km (0.094 R)
• M6: 3,328,852 km (0.095 R)
• M7: 3,810,707 km (0.111 R)
• M8: 4,338,787 km (0.106 R)
• M9: 4,892,898 km (0.079 R)
• M10: 5,374,603 km (0.103 R)
• M11: 6,487,012 km (0.074 R)
• M12: 7,012,550 km (0.054 R)
• M13: 7,930,782 km (0.083 R)
• M14: 9,028,082 km (0.107 R)
• M15: 11,803,122 km (0.071 R)
• M16: 12,294,551 km (0.079 R)
• M17: 13,144,118 km (0.107 R)
• M18: 13,539,056 km (0.091 R)
• M19: 16,176,915 km (0.055 R)
• M20: 17,353,503 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.2

Radius: 11

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.66 AU - 2.96 AU

Year: 3251 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,487,767 km

• M1: 136,732 km (0.095 R)
• M2: 583,880 km (0.094 R)
• M3: 1,183,170 km (0.105 R)
• M4: 1,958,984 km (0.089 R)
• M5: 2,550,793 km (0.079 R)
• M6: 2,951,566 km (0.044 R)
• M7: 4,352,999 km (0.068 R)
• M8: 5,155,143 km (0.081 R)
• M9: 5,579,701 km (0.103 R)
• M10: 6,312,881 km (0.059 R)
• M11: 12,004,930 km (0.115 R)
• M12: 14,760,672 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 8.4

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.1 AU - 5.14 AU

Year: 7997 Days

Day: 12.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,487,767 km

• M1: 147,803 km (0.073 R)
• M2: 461,360 km (0.117 R)
• M3: 885,021 km (0.093 R)
• M4: 2,144,485 km (0.114 R)
• M5: 2,938,701 km (0.082 R)
• M6: 4,551,515 km (0.034 R)
• M7: 5,064,187 km (0.101 R)
• M8: 6,720,984 km (0.03 R)
• M9: 7,028,706 km (0.043 R)
• M10: 7,467,178 km (0.091 R)
• M11: 9,938,684 km (0.112 R)
• M12: 10,958,792 km (0.109 R)
• M13: 14,059,956 km (0.094 R)
• M14: 15,080,662 km (0.111 R)
• M15: 20,291,605 km (0.097 R)
• M16: 26,115,151 km (0.08 R)
• M17: 31,336,565 km (0.12 R)
• M18: 36,030,946 km (0.111 R)
• M19: 37,094,438 km (0.069 R)
• M20: 42,859,192 km (0.088 R)
• M21: 44,186,873 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554

Radius: 3.7

Gravity: 40.47 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.59 AU - 8.71 AU

Year: 14605 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,487,767 km

• M1: 47,423 km (0.105 R)
• M2: 491,878 km (0.115 R)
• M3: 674,537 km (0.104 R)
• M4: 911,649 km (0.116 R)
• M5: 1,418,188 km (0.101 R)
• M6: 2,205,521 km (0.062 R)
• M7: 2,363,946 km (0.09 R)
• M8: 2,529,999 km (0.115 R)
• M9: 2,932,118 km (0.089 R)
• M10: 4,271,468 km (0.106 R)
• M11: 7,937,813 km (0.114 R)
• M12: 8,122,716 km (0.072 R)
• M13: 11,138,010 km (0.057 R)
• M14: 12,329,707 km (0.055 R)
• M15: 15,675,762 km (0.119 R)
• M16: 19,246,215 km (0.06 R)
• M17: 20,345,610 km (0.096 R)
• M18: 21,935,835 km (0.098 R)
• M19: 23,989,664 km (0.085 R)
• M20: 30,347,424 km (0.078 R)
• M21: 30,913,353 km (0.115 R)
• M22: 39,057,610 km (0.089 R)
• M23: 40,814,338 km (0.073 R)
• M24: 44,775,241 km (0.035 R)
• M25: 49,763,133 km (0.104 R)
• M26: 51,986,606 km (0.101 R)
• M27: 53,944,394 km (0.117 R)
• M28: 54,109,699 km (0.099 R)
• M29: 55,950,800 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 13,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit