🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.3

Radius: 12.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.86 AU - 1.04 AU

Year: 589 Days

Day: 8.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,685,795 km

• M1: 156,629 km (0.11 R)
• M2: 564,582 km (0.059 R)
• M3: 1,020,108 km (0.098 R)
• M4: 1,540,409 km (0.094 R)
• M5: 2,050,987 km (0.074 R)
• M6: 2,694,557 km (0.066 R)
• M7: 3,298,633 km (0.096 R)
• M8: 3,711,224 km (0.099 R)
• M9: 4,158,372 km (0.07 R)
• M10: 4,626,464 km (0.06 R)
• M11: 5,097,099 km (0.092 R)
• M12: 6,007,402 km (0.068 R)
• M13: 6,549,694 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 13.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.07 AU - 1.37 AU

Year: 857 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,685,795 km

• M1: 168,597 km (0.04 R)
• M2: 710,141 km (0.064 R)
• M3: 1,204,562 km (0.072 R)
• M4: 2,109,480 km (0.071 R)
• M5: 3,485,780 km (0.077 R)
• M6: 4,522,643 km (0.089 R)
• M7: 4,991,333 km (0.056 R)
• M8: 5,472,589 km (0.105 R)
• M9: 6,506,460 km (0.09 R)
• M10: 7,177,407 km (0.107 R)
• M11: 8,099,827 km (0.113 R)
• M12: 9,383,975 km (0.12 R)
• M13: 10,029,789 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.1

Radius: 11.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.31 AU - 1.53 AU

Year: 1076 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,685,795 km

• M1: 146,756 km (0.109 R)
• M2: 745,596 km (0.081 R)
• M3: 1,185,713 km (0.115 R)
• M4: 1,571,974 km (0.12 R)
• M5: 1,973,495 km (0.078 R)
• M6: 2,353,324 km (0.07 R)
• M7: 2,757,238 km (0.03 R)
• M8: 4,240,950 km (0.097 R)
• M9: 4,994,624 km (0.083 R)
• M10: 5,423,820 km (0.081 R)
• M11: 6,070,532 km (0.071 R)
• M12: 7,952,922 km (0.044 R)
• M13: 8,323,326 km (0.091 R)
• M14: 9,831,572 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 15

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.49 AU - 1.73 AU

Year: 1299 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,685,795 km

• M1: 186,549 km (0.111 R)
• M2: 691,142 km (0.082 R)
• M3: 1,298,958 km (0.056 R)
• M4: 1,765,554 km (0.12 R)
• M5: 2,407,329 km (0.03 R)
• M6: 3,173,270 km (0.109 R)
• M7: 4,969,791 km (0.08 R)
• M8: 5,669,161 km (0.113 R)
• M9: 6,385,436 km (0.087 R)
• M10: 7,109,639 km (0.104 R)
• M11: 8,312,854 km (0.097 R)
• M12: 8,963,456 km (0.085 R)
• M13: 10,167,270 km (0.103 R)
• M14: 12,435,323 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 8.8

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2 AU - 2.32 AU

Year: 2018 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,685,795 km

• M1: 109,506 km (0.083 R)
• M2: 385,215 km (0.11 R)
• M3: 747,541 km (0.11 R)
• M4: 1,233,883 km (0.091 R)
• M5: 1,535,024 km (0.1 R)
• M6: 1,943,127 km (0.096 R)
• M7: 3,106,849 km (0.082 R)
• M8: 3,476,804 km (0.055 R)
• M9: 4,165,852 km (0.076 R)
• M10: 5,863,189 km (0.114 R)
• M11: 6,754,942 km (0.026 R)
• M12: 7,495,901 km (0.098 R)
• M13: 11,356,872 km (0.107 R)
• M14: 12,115,333 km (0.097 R)
• M15: 12,737,660 km (0.105 R)
• M16: 16,724,444 km (0.103 R)
• M17: 17,391,650 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 15

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.19 AU - 3.13 AU

Year: 2758 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,685,795 km

• M1: 193,280 km (0.078 R)
• M2: 729,888 km (0.084 R)
• M3: 2,547,053 km (0.114 R)
• M4: 5,900,140 km (0.11 R)
• M5: 6,645,437 km (0.096 R)
• M6: 7,428,282 km (0.054 R)
• M7: 8,431,934 km (0.113 R)
• M8: 9,235,574 km (0.104 R)
• M9: 10,029,340 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 8.5

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.2 AU - 3.92 AU

Year: 4271 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,685,795 km

• M1: 301,290 km (0.069 R)
• M2: 736,022 km (0.056 R)
• M3: 1,498,223 km (0.112 R)
• M4: 1,817,614 km (0.11 R)
• M5: 2,314,578 km (0.077 R)
• M6: 3,620,119 km (0.026 R)
• M7: 4,223,896 km (0.068 R)
• M8: 5,603,487 km (0.113 R)
• M9: 6,748,659 km (0.057 R)
• M10: 8,291,612 km (0.09 R)
• M11: 9,853,713 km (0.103 R)
• M12: 15,815,038 km (0.055 R)
• M13: 19,255,340 km (0.089 R)
• M14: 22,176,239 km (0.083 R)
• M15: 24,403,302 km (0.043 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 19,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit