🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743

Radius: 8

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.7 AU - 1.02 AU

Year: 561 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,154,746 km

• M1: 99,632 km (0.087 R)
• M2: 357,539 km (0.113 R)
• M3: 1,054,366 km (0.071 R)
• M4: 3,185,687 km (0.03 R)
• M5: 3,620,568 km (0.118 R)
• M6: 4,392,044 km (0.105 R)
• M7: 5,303,245 km (0.086 R)
• M8: 5,603,338 km (0.064 R)
• M9: 6,572,582 km (0.099 R)
• M10: 7,171,273 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 9.4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.19 AU - 1.19 AU

Year: 912 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,154,746 km

• M1: 117,135 km (0.067 R)
• M2: 463,454 km (0.071 R)
• M3: 884,273 km (0.111 R)
• M4: 1,233,135 km (0.069 R)
• M5: 1,622,090 km (0.061 R)
• M6: 1,981,723 km (0.081 R)
• M7: 2,591,783 km (0.081 R)
• M8: 3,006,917 km (0.08 R)
• M9: 4,578,293 km (0.1 R)
• M10: 4,941,218 km (0.112 R)
• M11: 5,245,500 km (0.106 R)
• M12: 5,684,270 km (0.077 R)
• M13: 6,040,014 km (0.073 R)
• M14: 6,388,278 km (0.095 R)
• M15: 6,681,191 km (0.05 R)
• M16: 7,197,303 km (0.103 R)
• M17: 8,741,004 km (0.09 R)
• M18: 9,272,824 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 14.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.06 AU - 1.44 AU

Year: 982 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,154,746 km

• M1: 176,675 km (0.042 R)
• M2: 644,767 km (0.11 R)
• M3: 1,143,377 km (0.074 R)
• M4: 1,595,760 km (0.084 R)
• M5: 2,077,615 km (0.117 R)
• M6: 2,857,768 km (0.061 R)
• M7: 3,331,395 km (0.089 R)
• M8: 3,953,722 km (0.072 R)
• M9: 5,493,683 km (0.112 R)
• M10: 6,366,287 km (0.067 R)
• M11: 7,705,637 km (0.115 R)
• M12: 8,688,794 km (0.092 R)
• M13: 9,995,531 km (0.112 R)
• M14: 10,459,135 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.1

Radius: 10.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.49 AU - 1.63 AU

Year: 1370 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,154,746 km

• M1: 136,583 km (0.116 R)
• M2: 690,544 km (0.106 R)
• M3: 1,101,340 km (0.078 R)
• M4: 1,639,593 km (0.073 R)
• M5: 2,102,000 km (0.059 R)
• M6: 2,858,067 km (0.091 R)
• M7: 3,411,280 km (0.085 R)
• M8: 4,885,118 km (0.116 R)
• M9: 6,161,936 km (0.101 R)
• M10: 8,406,652 km (0.101 R)
• M11: 9,006,989 km (0.059 R)
• M12: 11,047,952 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530

Radius: 12.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.75 AU - 2.11 AU

Year: 1885 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,154,746 km

• M1: 164,558 km (0.095 R)
• M2: 747,840 km (0.057 R)
• M3: 1,190,201 km (0.09 R)
• M4: 1,980,975 km (0.055 R)
• M5: 2,514,591 km (0.114 R)
• M6: 3,204,087 km (0.067 R)
• M7: 3,840,477 km (0.085 R)
• M8: 4,348,212 km (0.076 R)
• M9: 5,237,122 km (0.093 R)
• M10: 5,957,137 km (0.101 R)
• M11: 6,415,056 km (0.106 R)
• M12: 7,539,583 km (0.093 R)
• M13: 8,608,759 km (0.066 R)
• M14: 10,415,752 km (0.11 R)
• M15: 13,135,441 km (0.103 R)
• M16: 13,706,606 km (0.044 R)
• M17: 14,465,217 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 13.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.67 AU - 2.83 AU

Year: 3206 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,154,746 km

• M1: 171,589 km (0.104 R)
• M2: 612,454 km (0.039 R)
• M3: 1,058,255 km (0.083 R)
• M4: 1,522,158 km (0.07 R)
• M5: 2,249,653 km (0.117 R)
• M6: 3,986,783 km (0.093 R)
• M7: 5,022,300 km (0.104 R)
• M8: 5,725,410 km (0.095 R)
• M9: 7,074,334 km (0.106 R)
• M10: 9,753,033 km (0.109 R)
• M11: 10,393,312 km (0.11 R)
• M12: 11,189,921 km (0.098 R)
• M13: 13,384,671 km (0.082 R)
• M14: 14,075,664 km (0.101 R)
• M15: 15,262,424 km (0.117 R)
• M16: 18,369,871 km (0.028 R)
• M17: 19,535,088 km (0.12 R)
• M18: 20,945,048 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 13.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.96 AU - 3.14 AU

Year: 3744 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,154,746 km

• M1: 202,705 km (0.12 R)
• M2: 652,247 km (0.117 R)
• M3: 1,134,700 km (0.082 R)
• M4: 2,040,665 km (0.084 R)
• M5: 3,465,584 km (0.039 R)
• M6: 5,038,606 km (0.115 R)
• M7: 7,304,565 km (0.051 R)
• M8: 8,574,950 km (0.09 R)
• M9: 12,353,942 km (0.058 R)
• M10: 12,922,414 km (0.081 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: 188 - 18,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit