🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 14.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.41 AU - 1.47 AU

Year: 1134 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,460,008 km

• M1: 181,612 km (0.071 R)
• M2: 674,387 km (0.113 R)
• M3: 1,184,067 km (0.077 R)
• M4: 2,562,013 km (0.099 R)
• M5: 3,641,661 km (0.107 R)
• M6: 4,705,451 km (0.118 R)
• M7: 5,260,759 km (0.064 R)
• M8: 6,120,797 km (0.054 R)
• M9: 7,195,508 km (0.078 R)
• M10: 8,782,143 km (0.113 R)
• M11: 9,718,476 km (0.06 R)
• M12: 10,242,517 km (0.064 R)
• M13: 11,080,415 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 12.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.58 AU - 2.1 AU

Year: 1637 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,460,008 km

• M1: 159,172 km (0.116 R)
• M2: 718,519 km (0.117 R)
• M3: 1,136,196 km (0.07 R)
• M4: 1,668,914 km (0.102 R)
• M5: 2,210,907 km (0.063 R)
• M6: 2,816,928 km (0.107 R)
• M7: 3,471,718 km (0.041 R)
• M8: 4,023,584 km (0.057 R)
• M9: 4,818,996 km (0.086 R)
• M10: 5,930,808 km (0.055 R)
• M11: 6,937,751 km (0.089 R)
• M12: 7,870,045 km (0.096 R)
• M13: 8,742,200 km (0.115 R)
• M14: 10,582,254 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 14

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.01 AU - 2.51 AU

Year: 2229 Days

Day: 5.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,460,008 km

• M1: 174,132 km (0.097 R)
• M2: 791,074 km (0.083 R)
• M3: 1,228,947 km (0.062 R)
• M4: 2,077,166 km (0.116 R)
• M5: 2,584,303 km (0.084 R)
• M6: 3,339,772 km (0.088 R)
• M7: 4,218,810 km (0.098 R)
• M8: 4,670,894 km (0.103 R)
• M9: 5,771,486 km (0.091 R)
• M10: 6,409,970 km (0.105 R)
• M11: 7,889,493 km (0.106 R)
• M12: 8,387,803 km (0.072 R)
• M13: 9,242,456 km (0.106 R)
• M14: 9,903,229 km (0.078 R)
• M15: 11,125,743 km (0.069 R)
• M16: 12,158,118 km (0.091 R)
• M17: 13,296,708 km (0.112 R)
• M18: 13,735,927 km (0.094 R)
• M19: 15,065,254 km (0.092 R)
• M20: 16,781,889 km (0.055 R)
• M21: 17,556,208 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 13.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.17 AU - 2.57 AU

Year: 2393 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,460,008 km

• M1: 166,652 km (0.099 R)
• M2: 992,731 km (0.084 R)
• M3: 1,528,441 km (0.102 R)
• M4: 2,269,998 km (0.1 R)
• M5: 2,701,887 km (0.058 R)
• M6: 3,293,696 km (0.109 R)
• M7: 4,451,285 km (0.106 R)
• M8: 4,923,565 km (0.097 R)
• M9: 5,529,736 km (0.071 R)
• M10: 7,495,751 km (0.108 R)
• M11: 8,134,534 km (0.119 R)
• M12: 8,603,074 km (0.087 R)
• M13: 10,194,796 km (0.109 R)
• M14: 10,661,092 km (0.064 R)
• M15: 11,141,601 km (0.051 R)
• M16: 13,256,316 km (0.07 R)
• M17: 14,001,463 km (0.105 R)
• M18: 14,529,843 km (0.109 R)
• M19: 16,247,675 km (0.066 R)
• M20: 17,928,706 km (0.036 R)
• M21: 19,484,823 km (0.118 R)
• M22: 20,204,688 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 8.8

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.11 AU - 3.19 AU

Year: 3668 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,460,008 km

• M1: 109,506 km (0.111 R)
• M2: 421,118 km (0.115 R)
• M3: 867,518 km (0.086 R)
• M4: 2,220,930 km (0.057 R)
• M5: 2,554,683 km (0.111 R)
• M6: 3,009,909 km (0.071 R)
• M7: 3,459,301 km (0.061 R)
• M8: 4,854,152 km (0.083 R)
• M9: 6,028,944 km (0.111 R)
• M10: 8,596,941 km (0.03 R)
• M11: 8,966,896 km (0.063 R)
• M12: 9,659,834 km (0.103 R)
• M13: 10,554,579 km (0.109 R)
• M14: 11,503,627 km (0.109 R)
• M15: 13,129,008 km (0.076 R)
• M16: 13,720,070 km (0.095 R)
• M17: 15,654,220 km (0.105 R)
• M18: 16,886,757 km (0.083 R)
• M19: 17,526,737 km (0.05 R)
• M20: 18,122,436 km (0.107 R)
• M21: 21,104,968 km (0.109 R)
• M22: 21,915,789 km (0.081 R)
• M23: 22,467,805 km (0.064 R)
• M24: 24,473,164 km (0.097 R)
• M25: 24,918,069 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 13.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.41 AU - 3.61 AU

Year: 4314 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,460,008 km

• M1: 171,290 km (0.114 R)
• M2: 606,470 km (0.088 R)
• M3: 1,095,206 km (0.11 R)
• M4: 1,630,916 km (0.111 R)
• M5: 2,283,312 km (0.086 R)
• M6: 2,964,282 km (0.088 R)
• M7: 3,777,795 km (0.048 R)
• M8: 7,098,868 km (0.068 R)
• M9: 8,200,058 km (0.115 R)
• M10: 9,605,829 km (0.091 R)
• M11: 10,782,715 km (0.09 R)
• M12: 12,654,484 km (0.108 R)
• M13: 14,630,522 km (0.064 R)
• M14: 15,208,269 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207

Radius: 5.6

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.96 AU - 10.8 AU

Year: 17359 Days

Day: 20.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,460,008 km

• M1: 70,161 km (0.119 R)
• M2: 314,006 km (0.09 R)
• M3: 493,224 km (0.07 R)
• M4: 743,501 km (0.097 R)
• M5: 1,398,890 km (0.116 R)
• M6: 1,618,499 km (0.058 R)
• M7: 1,829,432 km (0.103 R)
• M8: 2,457,743 km (0.116 R)
• M9: 2,635,316 km (0.064 R)
• M10: 4,212,975 km (0.06 R)
• M11: 4,855,348 km (0.115 R)
• M12: 5,200,022 km (0.117 R)
• M13: 6,187,218 km (0.083 R)
• M14: 6,592,479 km (0.091 R)
• M15: 16,743,592 km (0.101 R)
• M16: 17,968,350 km (0.088 R)
• M17: 23,291,042 km (0.075 R)
• M18: 27,861,107 km (0.081 R)
• M19: 31,254,286 km (0.092 R)
• M20: 36,075,527 km (0.114 R)
• M21: 38,970,844 km (0.116 R)
• M22: 41,628,001 km (0.083 R)
• M23: 44,403,640 km (0.115 R)
• M24: 45,767,673 km (0.064 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: 407 - 17,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit