🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 9.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.51 AU - 1.59 AU

Year: 1246 Days

Day: 13.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 53.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,769,562 km

• M1: 120,127 km (0.08 R)
• M2: 465,997 km (0.083 R)
• M3: 848,968 km (0.055 R)
• M4: 1,200,224 km (0.114 R)
• M5: 1,942,977 km (0.112 R)
• M6: 2,614,672 km (0.11 R)
• M7: 3,625,504 km (0.092 R)
• M8: 3,982,744 km (0.106 R)
• M9: 5,045,787 km (0.08 R)
• M10: 6,644,838 km (0.091 R)
• M11: 7,086,601 km (0.077 R)
• M12: 8,557,297 km (0.071 R)
• M13: 10,251,942 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.3

Radius: 14.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.51 AU - 2.09 AU

Year: 1559 Days

Day: 6.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,769,562 km

• M1: 180,565 km (0.107 R)
• M2: 716,723 km (0.078 R)
• M3: 1,755,082 km (0.109 R)
• M4: 2,362,599 km (0.102 R)
• M5: 2,872,279 km (0.083 R)
• M6: 3,652,881 km (0.106 R)
• M7: 4,455,025 km (0.119 R)
• M8: 5,113,255 km (0.095 R)
• M9: 6,625,989 km (0.112 R)
• M10: 7,252,954 km (0.109 R)
• M11: 7,846,109 km (0.059 R)
• M12: 8,343,672 km (0.093 R)
• M13: 8,995,470 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 14

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.6 AU - 2.4 AU

Year: 1826 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,769,562 km

• M1: 174,132 km (0.063 R)
• M2: 661,522 km (0.08 R)
• M3: 1,223,262 km (0.108 R)
• M4: 1,697,487 km (0.098 R)
• M5: 3,444,491 km (0.078 R)
• M6: 3,963,596 km (0.117 R)
• M7: 4,903,968 km (0.07 R)
• M8: 5,541,105 km (0.064 R)
• M9: 6,109,727 km (0.112 R)
• M10: 6,822,411 km (0.119 R)
• M11: 7,589,848 km (0.101 R)
• M12: 8,505,985 km (0.099 R)
• M13: 9,395,644 km (0.105 R)
• M14: 11,286,112 km (0.075 R)
• M15: 11,738,496 km (0.045 R)
• M16: 12,801,090 km (0.084 R)
• M17: 13,251,978 km (0.032 R)
• M18: 13,884,029 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 12.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.72 AU - 2.42 AU

Year: 1923 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,769,562 km

• M1: 155,881 km (0.077 R)
• M2: 621,430 km (0.079 R)
• M3: 1,210,845 km (0.102 R)
• M4: 1,828,684 km (0.114 R)
• M5: 3,009,012 km (0.088 R)
• M6: 3,730,971 km (0.068 R)
• M7: 4,170,340 km (0.072 R)
• M8: 5,086,328 km (0.099 R)
• M9: 6,189,911 km (0.116 R)
• M10: 6,954,207 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 12.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.66 AU - 3.08 AU

Year: 3139 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,769,562 km

• M1: 153,039 km (0.076 R)
• M2: 653,743 km (0.117 R)
• M3: 1,564,495 km (0.094 R)
• M4: 2,064,899 km (0.095 R)
• M5: 2,535,235 km (0.061 R)
• M6: 2,992,556 km (0.093 R)
• M7: 4,138,326 km (0.068 R)
• M8: 5,254,924 km (0.037 R)
• M9: 6,113,616 km (0.052 R)
• M10: 8,209,931 km (0.088 R)
• M11: 10,002,263 km (0.065 R)
• M12: 13,299,550 km (0.119 R)
• M13: 14,493,939 km (0.092 R)
• M14: 15,397,361 km (0.117 R)
• M15: 17,040,693 km (0.052 R)
• M16: 19,569,945 km (0.084 R)
• M17: 20,362,813 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.1

Radius: 10.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.69 AU - 4.23 AU

Year: 5088 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,769,562 km

• M1: 134,339 km (0.091 R)
• M2: 724,502 km (0.082 R)
• M3: 1,199,775 km (0.115 R)
• M4: 1,961,078 km (0.105 R)
• M5: 2,754,246 km (0.052 R)
• M6: 3,511,212 km (0.067 R)
• M7: 3,939,062 km (0.104 R)
• M8: 4,945,257 km (0.084 R)
• M9: 5,806,492 km (0.073 R)
• M10: 6,709,016 km (0.114 R)
• M11: 7,641,310 km (0.085 R)
• M12: 8,624,916 km (0.101 R)
• M13: 9,548,383 km (0.078 R)
• M14: 10,200,032 km (0.098 R)
• M15: 11,075,329 km (0.091 R)
• M16: 12,041,432 km (0.052 R)
• M17: 13,238,364 km (0.106 R)
• M18: 13,729,644 km (0.111 R)
• M19: 14,279,566 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 11.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.42 AU - 5.28 AU

Year: 5858 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,769,562 km

• M1: 139,276 km (0.115 R)
• M2: 555,008 km (0.104 R)
• M3: 984,803 km (0.057 R)
• M4: 3,060,174 km (0.118 R)
• M5: 4,116,784 km (0.116 R)
• M6: 4,612,402 km (0.082 R)
• M7: 5,010,033 km (0.108 R)
• M8: 5,546,640 km (0.059 R)
• M9: 7,039,926 km (0.086 R)
• M10: 8,161,910 km (0.094 R)
• M11: 12,494,564 km (0.057 R)
• M12: 14,244,560 km (0.119 R)
• M13: 14,976,991 km (0.082 R)
• M14: 16,273,406 km (0.073 R)
• M15: 26,327,131 km (0.115 R)
• M16: 29,366,062 km (0.062 R)
• M17: 31,391,468 km (0.101 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: 202 - 13,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit