🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 8

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.92 AU - 1.46 AU

Year: 866 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,193,744 km

• M1: 99,483 km (0.105 R)
• M2: 399,726 km (0.1 R)
• M3: 837,000 km (0.099 R)
• M4: 1,112,559 km (0.092 R)
• M5: 1,743,862 km (0.066 R)
• M6: 2,213,001 km (0.09 R)
• M7: 2,500,828 km (0.066 R)
• M8: 2,838,769 km (0.091 R)
• M9: 3,577,334 km (0.09 R)
• M10: 3,881,317 km (0.057 R)
• M11: 4,153,286 km (0.1 R)
• M12: 4,420,767 km (0.096 R)
• M13: 4,789,525 km (0.064 R)
• M14: 5,274,372 km (0.107 R)
• M15: 5,750,542 km (0.084 R)
• M16: 6,607,588 km (0.089 R)
• M17: 8,925,607 km (0.069 R)
• M18: 9,923,425 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 12.6

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.04 AU - 1.4 AU

Year: 899 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,193,744 km

• M1: 156,629 km (0.089 R)
• M2: 679,174 km (0.052 R)
• M3: 1,145,620 km (0.116 R)
• M4: 1,915,152 km (0.027 R)
• M5: 2,749,310 km (0.098 R)
• M6: 3,181,348 km (0.109 R)
• M7: 3,766,276 km (0.08 R)
• M8: 4,200,858 km (0.104 R)
• M9: 4,925,510 km (0.106 R)
• M10: 5,794,225 km (0.114 R)
• M11: 6,354,020 km (0.099 R)
• M12: 7,507,420 km (0.047 R)
• M13: 9,507,244 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 13.6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.11 AU - 1.77 AU

Year: 1152 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,193,744 km

• M1: 169,644 km (0.109 R)
• M2: 721,062 km (0.03 R)
• M3: 1,216,380 km (0.085 R)
• M4: 1,775,577 km (0.096 R)
• M5: 2,812,440 km (0.083 R)
• M6: 3,583,467 km (0.119 R)
• M7: 5,677,538 km (0.078 R)
• M8: 7,240,836 km (0.102 R)
• M9: 8,150,541 km (0.116 R)
• M10: 8,926,206 km (0.11 R)
• M11: 9,625,277 km (0.072 R)
• M12: 10,360,550 km (0.083 R)
• M13: 12,679,916 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 14.3

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.28 AU - 1.88 AU

Year: 1324 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,193,744 km

• M1: 177,872 km (0.11 R)
• M2: 764,146 km (0.107 R)
• M3: 1,552,975 km (0.098 R)
• M4: 2,698,746 km (0.088 R)
• M5: 3,639,567 km (0.113 R)
• M6: 4,222,998 km (0.115 R)
• M7: 5,257,617 km (0.068 R)
• M8: 5,756,526 km (0.106 R)
• M9: 6,625,989 km (0.106 R)
• M10: 7,105,600 km (0.08 R)
• M11: 8,626,860 km (0.099 R)
• M12: 9,138,485 km (0.114 R)
• M13: 9,606,726 km (0.066 R)
• M14: 10,090,975 km (0.097 R)
• M15: 10,693,705 km (0.119 R)
• M16: 12,268,671 km (0.111 R)
• M17: 12,723,897 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 8.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.1 AU - 3 AU

Year: 2715 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,193,744 km

• M1: 110,702 km (0.105 R)
• M2: 389,553 km (0.067 R)
• M3: 745,297 km (0.1 R)
• M4: 1,960,929 km (0.084 R)
• M5: 2,695,305 km (0.117 R)
• M6: 3,251,211 km (0.093 R)
• M7: 4,699,318 km (0.092 R)
• M8: 5,668,563 km (0.12 R)
• M9: 6,742,226 km (0.093 R)
• M10: 7,920,160 km (0.102 R)
• M11: 8,261,542 km (0.111 R)
• M12: 9,374,102 km (0.084 R)
• M13: 10,118,351 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738

Radius: 5

Gravity: 29.52 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.92 AU - 8.66 AU

Year: 13126 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,193,744 km

• M1: 62,233 km (0.05 R)
• M2: 272,867 km (0.086 R)
• M3: 1,072,766 km (0.103 R)
• M4: 1,603,839 km (0.093 R)
• M5: 1,990,400 km (0.116 R)
• M6: 2,436,800 km (0.114 R)
• M7: 2,807,653 km (0.085 R)
• M8: 3,316,734 km (0.06 R)
• M9: 3,634,031 km (0.118 R)
• M10: 4,516,061 km (0.096 R)
• M11: 4,806,430 km (0.074 R)
• M12: 4,973,082 km (0.088 R)
• M13: 6,171,660 km (0.11 R)
• M14: 8,724,099 km (0.112 R)
• M15: 10,121,942 km (0.098 R)
• M16: 12,332,998 km (0.026 R)
• M17: 14,776,230 km (0.114 R)
• M18: 17,134,192 km (0.099 R)
• M19: 20,594,092 km (0.084 R)
• M20: 29,185,497 km (0.072 R)
• M21: 30,988,750 km (0.057 R)
• M22: 31,917,603 km (0.116 R)
• M23: 33,224,939 km (0.112 R)
• M24: 38,678,380 km (0.088 R)
• M25: 40,989,368 km (0.081 R)
• M26: 50,514,563 km (0.057 R)
• M27: 51,638,043 km (0.075 R)
• M28: 52,124,536 km (0.118 R)
• M29: 54,771,371 km (0.089 R)
• M30: 56,298,765 km (0.112 R)
• M31: 57,506,319 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.1

Radius: 5.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.81 AU - 9.15 AU

Year: 16467 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 136.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,193,744 km

• M1: 73,303 km (0.067 R)
• M2: 354,547 km (0.052 R)
• M3: 543,190 km (0.117 R)
• M4: 1,355,207 km (0.083 R)
• M5: 1,652,009 km (0.097 R)
• M6: 3,119,116 km (0.092 R)
• M7: 7,204,334 km (0.081 R)
• M8: 7,471,815 km (0.066 R)
• M9: 8,693,431 km (0.08 R)
• M10: 11,218,344 km (0.111 R)
• M11: 11,474,456 km (0.094 R)
• M12: 12,980,757 km (0.11 R)
• M13: 14,015,974 km (0.061 R)
• M14: 14,614,216 km (0.045 R)
• M15: 22,280,508 km (0.105 R)
• M16: 25,834,206 km (0.08 R)
• M17: 27,838,369 km (0.108 R)
• M18: 30,735,032 km (0.06 R)
• M19: 34,901,333 km (0.119 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: 219 - 11,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit