🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 13.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.9 AU - 0.96 AU

Year: 598 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,703,393 km

• M1: 163,062 km (0.063 R)
• M2: 579,542 km (0.079 R)
• M3: 998,865 km (0.115 R)
• M4: 1,422,526 km (0.096 R)
• M5: 1,837,959 km (0.037 R)
• M6: 2,816,479 km (0.077 R)
• M7: 3,893,883 km (0.086 R)
• M8: 4,795,809 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.2

Radius: 14.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.89 AU - 1.13 AU

Year: 677 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,703,393 km

• M1: 185,352 km (0.032 R)
• M2: 872,156 km (0.112 R)
• M3: 1,811,032 km (0.111 R)
• M4: 2,317,720 km (0.053 R)
• M5: 2,939,000 km (0.063 R)
• M6: 4,015,207 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 14.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.06 AU - 1.34 AU

Year: 877 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,703,393 km

• M1: 177,872 km (0.116 R)
• M2: 859,889 km (0.114 R)
• M3: 1,650,214 km (0.071 R)
• M4: 3,766,725 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103

Radius: 8.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.23 AU - 1.91 AU

Year: 1312 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,703,393 km

• M1: 109,506 km (0.086 R)
• M2: 384,467 km (0.114 R)
• M3: 751,729 km (0.102 R)
• M4: 1,289,085 km (0.061 R)
• M5: 1,797,867 km (0.099 R)
• M6: 2,180,239 km (0.116 R)
• M7: 2,555,132 km (0.111 R)
• M8: 3,361,015 km (0.108 R)
• M9: 4,154,183 km (0.096 R)
• M10: 4,937,927 km (0.085 R)
• M11: 6,200,084 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 8.4

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.74 AU - 2.4 AU

Year: 1986 Days

Day: 9 Hours

Environment

Temp: -196 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,703,393 km

• M1: 105,018 km (0.062 R)
• M2: 398,978 km (0.06 R)
• M3: 1,192,145 km (0.116 R)
• M4: 2,528,354 km (0.052 R)
• M5: 2,828,597 km (0.114 R)
• M6: 3,553,548 km (0.12 R)
• M7: 4,257,406 km (0.078 R)
• M8: 6,793,539 km (0.104 R)
• M9: 7,406,291 km (0.119 R)
• M10: 9,878,845 km (0.078 R)
• M11: 11,415,664 km (0.095 R)
• M12: 12,484,092 km (0.106 R)
• M13: 12,937,972 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 8.4

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.96 AU - 2.46 AU

Year: 2191 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,703,393 km

• M1: 104,419 km (0.117 R)
• M2: 411,993 km (0.097 R)
• M3: 940,223 km (0.085 R)
• M4: 1,594,414 km (0.102 R)
• M5: 2,454,602 km (0.044 R)
• M6: 2,781,772 km (0.086 R)
• M7: 3,980,201 km (0.086 R)
• M8: 4,433,782 km (0.056 R)
• M9: 4,812,564 km (0.117 R)
• M10: 5,121,932 km (0.09 R)
• M11: 5,756,227 km (0.099 R)
• M12: 7,237,695 km (0.095 R)
• M13: 8,568,218 km (0.113 R)
• M14: 10,415,153 km (0.073 R)
• M15: 11,047,803 km (0.078 R)
• M16: 11,705,884 km (0.064 R)
• M17: 12,637,280 km (0.089 R)
• M18: 14,418,991 km (0.092 R)
• M19: 15,298,925 km (0.07 R)
• M20: 15,872,783 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 4.8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.02 AU - 6.2 AU

Year: 10071 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,703,393 km

• M1: 65,225 km (0.102 R)
• M2: 776,862 km (0.095 R)
• M3: 1,086,978 km (0.091 R)
• M4: 1,560,755 km (0.025 R)
• M5: 2,146,281 km (0.036 R)
• M6: 2,437,697 km (0.089 R)
• M7: 5,557,561 km (0.044 R)
• M8: 6,826,600 km (0.113 R)
• M9: 7,456,257 km (0.093 R)
• M10: 9,748,396 km (0.108 R)
• M11: 9,921,929 km (0.066 R)
• M12: 10,636,708 km (0.047 R)
• M13: 11,147,734 km (0.086 R)
• M14: 11,337,574 km (0.036 R)
• M15: 11,870,591 km (0.072 R)
• M16: 12,624,265 km (0.074 R)
• M17: 13,196,926 km (0.091 R)
• M18: 13,895,697 km (0.071 R)
• M19: 17,064,031 km (0.102 R)
• M20: 18,022,654 km (0.092 R)
• M21: 20,046,713 km (0.074 R)
• M22: 20,610,996 km (0.073 R)
• M23: 26,594,911 km (0.051 R)
• M24: 31,608,534 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: 368 - 11,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit