🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 9.8

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.49 AU - 0.81 AU

Year: 355 Days

Day: 5.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,532,866 km

• M1: 121,922 km (0.078 R)
• M2: 589,715 km (0.117 R)
• M3: 906,563 km (0.104 R)
• M4: 1,693,747 km (0.097 R)
• M5: 2,033,334 km (0.111 R)
• M6: 2,649,229 km (0.1 R)
• M7: 3,066,756 km (0.076 R)
• M8: 3,613,237 km (0.105 R)
• M9: 3,942,652 km (0.11 R)
• M10: 5,023,197 km (0.103 R)
• M11: 5,733,189 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 12.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 25,532,866 km

• M1: 153,039 km (0.115 R)
• M2: 569,070 km (0.062 R)
• M3: 969,394 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 14

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,532,866 km

• M1: 174,132 km (0.101 R)
• M2: 778,358 km (0.109 R)
• M3: 1,369,718 km (0.114 R)
• M4: 1,901,389 km (0.068 R)
• M5: 2,630,828 km (0.106 R)
• M6: 3,147,240 km (0.116 R)
• M7: 3,901,812 km (0.107 R)
• M8: 4,373,045 km (0.083 R)
• M9: 5,364,729 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 13.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.06 AU - 1.1 AU

Year: 761 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,532,866 km

• M1: 162,912 km (0.114 R)
• M2: 697,425 km (0.051 R)
• M3: 1,113,756 km (0.047 R)
• M4: 1,522,308 km (0.118 R)
• M5: 2,051,585 km (0.114 R)
• M6: 2,488,860 km (0.054 R)
• M7: 2,977,147 km (0.108 R)
• M8: 4,346,117 km (0.065 R)
• M9: 4,841,286 km (0.069 R)
• M10: 5,645,674 km (0.093 R)
• M11: 6,099,704 km (0.058 R)
• M12: 6,578,118 km (0.111 R)
• M13: 7,081,514 km (0.115 R)
• M14: 7,861,966 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 9.5

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.86 AU - 1.34 AU

Year: 782 Days

Day: 7.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,532,866 km

• M1: 118,182 km (0.103 R)
• M2: 472,131 km (0.099 R)
• M3: 1,153,848 km (0.119 R)
• M4: 1,550,432 km (0.108 R)
• M5: 2,238,134 km (0.096 R)
• M6: 3,077,976 km (0.066 R)
• M7: 3,628,197 km (0.073 R)
• M8: 4,051,260 km (0.063 R)
• M9: 5,051,621 km (0.11 R)
• M10: 5,425,616 km (0.036 R)
• M11: 5,838,356 km (0.058 R)
• M12: 6,682,387 km (0.056 R)
• M13: 7,064,909 km (0.048 R)
• M14: 7,509,664 km (0.091 R)
• M15: 8,637,931 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 9.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.11 AU - 1.33 AU

Year: 914 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,532,866 km

• M1: 115,639 km (0.115 R)
• M2: 467,942 km (0.087 R)
• M3: 778,507 km (0.109 R)
• M4: 1,642,435 km (0.104 R)
• M5: 2,034,381 km (0.092 R)
• M6: 2,532,692 km (0.072 R)
• M7: 3,110,589 km (0.028 R)
• M8: 3,500,889 km (0.097 R)
• M9: 4,061,433 km (0.103 R)
• M10: 4,512,021 km (0.067 R)
• M11: 5,287,238 km (0.111 R)
• M12: 6,765,713 km (0.111 R)
• M13: 7,260,882 km (0.093 R)
• M14: 7,804,222 km (0.115 R)
• M15: 8,349,057 km (0.049 R)
• M16: 8,656,780 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 12.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.12 AU - 3.54 AU

Year: 4122 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,532,866 km

• M1: 192,383 km (0.089 R)
• M2: 988,244 km (0.094 R)
• M3: 1,732,493 km (0.117 R)
• M4: 4,709,341 km (0.11 R)
• M5: 6,471,753 km (0.108 R)
• M6: 7,720,746 km (0.119 R)
• M7: 8,241,795 km (0.051 R)
• M8: 8,860,682 km (0.064 R)
• M9: 11,164,788 km (0.109 R)
• M10: 15,304,909 km (0.101 R)
• M11: 17,686,807 km (0.096 R)
• M12: 18,106,429 km (0.097 R)
• M13: 20,045,965 km (0.059 R)
• M14: 21,982,360 km (0.12 R)
• M15: 22,607,978 km (0.053 R)
• M16: 23,316,773 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 10,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit