🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 809.3

Radius: 12.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 10.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,339,544 km

• M1: 153,039 km (0.108 R)
• M2: 595,699 km (0.103 R)
• M3: 984,952 km (0.086 R)
• M4: 1,390,063 km (0.088 R)
• M5: 1,800,859 km (0.114 R)
• M6: 2,336,120 km (0.103 R)
• M7: 2,886,491 km (0.115 R)
• M8: 3,344,111 km (0.109 R)
• M9: 3,754,308 km (0.063 R)
• M10: 4,393,689 km (0.106 R)
• M11: 4,831,114 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 8.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,339,544 km

• M1: 100,679 km (0.072 R)
• M2: 378,183 km (0.091 R)
• M3: 632,201 km (0.092 R)
• M4: 931,546 km (0.11 R)
• M5: 1,338,452 km (0.118 R)
• M6: 1,621,641 km (0.107 R)
• M7: 2,008,202 km (0.069 R)
• M8: 2,275,982 km (0.091 R)
• M9: 2,732,704 km (0.113 R)
• M10: 3,052,395 km (0.053 R)
• M11: 3,316,884 km (0.115 R)
• M12: 3,584,664 km (0.087 R)
• M13: 3,904,953 km (0.106 R)
• M14: 4,338,937 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.3

Radius: 9.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.73 AU - 1.05 AU

Year: 560 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,339,544 km

• M1: 122,072 km (0.112 R)
• M2: 1,130,062 km (0.079 R)
• M3: 1,494,932 km (0.106 R)
• M4: 1,897,799 km (0.118 R)
• M5: 2,372,772 km (0.103 R)
• M6: 3,025,617 km (0.058 R)
• M7: 3,376,574 km (0.103 R)
• M8: 3,981,398 km (0.054 R)
• M9: 4,447,993 km (0.111 R)
• M10: 4,779,054 km (0.092 R)
• M11: 5,175,338 km (0.062 R)
• M12: 5,576,410 km (0.085 R)
• M13: 6,161,488 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 10

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.07 AU - 1.13 AU

Year: 769 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,339,544 km

• M1: 124,316 km (0.101 R)
• M2: 536,608 km (0.098 R)
• M3: 938,727 km (0.064 R)
• M4: 1,309,430 km (0.05 R)
• M5: 1,645,277 km (0.061 R)
• M6: 2,020,319 km (0.087 R)
• M7: 2,378,008 km (0.091 R)
• M8: 3,531,707 km (0.055 R)
• M9: 4,009,672 km (0.112 R)
• M10: 4,351,802 km (0.071 R)
• M11: 5,024,244 km (0.068 R)
• M12: 5,649,115 km (0.103 R)
• M13: 5,960,727 km (0.111 R)
• M14: 6,597,266 km (0.087 R)
• M15: 7,255,646 km (0.108 R)
• M16: 8,500,301 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 11.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.2 AU - 1.32 AU

Year: 943 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 33,339,544 km

• M1: 143,464 km (0.105 R)
• M2: 756,666 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 14.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.49 AU - 1.75 AU

Year: 1375 Days

Day: 12.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,339,544 km

• M1: 196,272 km (0.116 R)
• M2: 677,529 km (0.091 R)
• M3: 1,472,342 km (0.047 R)
• M4: 2,033,334 km (0.045 R)
• M5: 2,874,074 km (0.066 R)
• M6: 3,749,371 km (0.115 R)
• M7: 4,446,348 km (0.059 R)
• M8: 5,313,866 km (0.094 R)
• M9: 5,800,059 km (0.111 R)
• M10: 6,610,281 km (0.067 R)
• M11: 7,200,295 km (0.086 R)
• M12: 8,310,611 km (0.108 R)
• M13: 9,436,634 km (0.089 R)
• M14: 10,186,568 km (0.114 R)
• M15: 12,292,906 km (0.09 R)
• M16: 13,348,169 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 10

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.59 AU - 4.67 AU

Year: 5597 Days

Day: 10.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,339,544 km

• M1: 124,316 km (0.099 R)
• M2: 482,902 km (0.103 R)
• M3: 800,199 km (0.118 R)
• M4: 1,700,030 km (0.089 R)
• M5: 2,109,779 km (0.086 R)
• M6: 2,481,230 km (0.059 R)
• M7: 2,839,517 km (0.045 R)
• M8: 3,378,518 km (0.072 R)
• M9: 3,984,390 km (0.097 R)
• M10: 4,478,811 km (0.064 R)
• M11: 5,013,623 km (0.062 R)
• M12: 6,876,865 km (0.102 R)
• M13: 8,509,127 km (0.059 R)
• M14: 9,330,569 km (0.109 R)
• M15: 12,113,239 km (0.077 R)
• M16: 12,625,462 km (0.038 R)
• M17: 16,069,205 km (0.095 R)
• M18: 16,563,027 km (0.065 R)
• M19: 17,386,863 km (0.106 R)
• M20: 17,907,314 km (0.103 R)
• M21: 19,047,848 km (0.094 R)
• M22: 23,698,247 km (0.063 R)
• M23: 24,338,227 km (0.1 R)
• M24: 28,602,215 km (0.1 R)
• M25: 30,065,432 km (0.108 R)
• M26: 31,100,051 km (0.039 R)
• M27: 32,158,157 km (0.086 R)
• M28: 33,140,715 km (0.1 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: 162 - 10,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit