🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.5

Radius: 13.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.82 AU - 0.86 AU

Year: 513 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,899,182 km

• M1: 168,148 km (0.12 R)
• M2: 596,596 km (0.118 R)
• M3: 1,206,656 km (0.061 R)
• M4: 1,687,165 km (0.07 R)
• M5: 2,152,414 km (0.106 R)
• M6: 2,822,014 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 12.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 579 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,899,182 km

• M1: 160,519 km (0.064 R)
• M2: 582,085 km (0.109 R)
• M3: 1,059,602 km (0.116 R)
• M4: 1,565,542 km (0.113 R)
• M5: 1,985,463 km (0.095 R)
• M6: 2,442,036 km (0.052 R)
• M7: 3,118,368 km (0.117 R)
• M8: 3,754,757 km (0.086 R)
• M9: 4,846,971 km (0.1 R)
• M10: 5,476,180 km (0.095 R)
• M11: 6,066,343 km (0.107 R)
• M12: 6,738,187 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 14.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.01 AU - 1.17 AU

Year: 759 Days

Day: 14 Hours

Environment

Temp: -181 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,899,182 km

• M1: 176,525 km (0.048 R)
• M2: 706,252 km (0.053 R)
• M3: 1,243,607 km (0.038 R)
• M4: 1,698,684 km (0.116 R)
• M5: 2,221,080 km (0.064 R)
• M6: 2,861,957 km (0.091 R)
• M7: 3,331,545 km (0.058 R)
• M8: 4,119,177 km (0.092 R)
• M9: 4,929,998 km (0.117 R)
• M10: 5,844,789 km (0.059 R)
• M11: 6,411,316 km (0.051 R)
• M12: 7,181,296 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 12.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1 AU - 1.56 AU

Year: 966 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,899,182 km

• M1: 150,495 km (0.105 R)
• M2: 604,375 km (0.037 R)
• M3: 1,028,037 km (0.098 R)
• M4: 1,537,268 km (0.102 R)
• M5: 3,067,205 km (0.082 R)
• M6: 3,539,934 km (0.09 R)
• M7: 3,993,366 km (0.084 R)
• M8: 4,784,738 km (0.08 R)
• M9: 5,226,202 km (0.048 R)
• M10: 5,677,838 km (0.116 R)
• M11: 6,320,510 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.1

Radius: 8.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.92 AU - 2.64 AU

Year: 2296 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,899,182 km

• M1: 108,907 km (0.068 R)
• M2: 875,746 km (0.102 R)
• M3: 1,361,041 km (0.117 R)
• M4: 2,249,952 km (0.073 R)
• M5: 4,755,118 km (0.031 R)
• M6: 5,713,143 km (0.107 R)
• M7: 6,772,146 km (0.063 R)
• M8: 8,311,807 km (0.089 R)
• M9: 9,301,696 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.5

Radius: 8.5

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.84 AU - 3.16 AU

Year: 3465 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,899,182 km

• M1: 138,228 km (0.078 R)
• M2: 459,714 km (0.067 R)
• M3: 741,257 km (0.044 R)
• M4: 1,056,759 km (0.115 R)
• M5: 1,638,695 km (0.039 R)
• M6: 3,353,087 km (0.096 R)
• M7: 3,849,452 km (0.068 R)
• M8: 4,416,578 km (0.11 R)
• M9: 4,744,496 km (0.109 R)
• M10: 5,344,384 km (0.072 R)
• M11: 6,308,991 km (0.06 R)
• M12: 7,714,014 km (0.078 R)
• M13: 9,507,393 km (0.063 R)
• M14: 11,301,521 km (0.086 R)
• M15: 12,324,172 km (0.099 R)
• M16: 14,501,270 km (0.101 R)
• M17: 15,122,550 km (0.109 R)
• M18: 18,378,398 km (0.103 R)
• M19: 19,106,042 km (0.102 R)
• M20: 23,384,690 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.4

Radius: 14.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.91 AU - 3.31 AU

Year: 3657 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,899,182 km

• M1: 175,478 km (0.113 R)
• M2: 957,426 km (0.098 R)
• M3: 1,400,236 km (0.08 R)
• M4: 2,236,189 km (0.11 R)
• M5: 2,916,859 km (0.102 R)
• M6: 3,368,196 km (0.119 R)
• M7: 3,847,358 km (0.044 R)
• M8: 4,330,110 km (0.104 R)
• M9: 4,830,814 km (0.098 R)
• M10: 5,845,836 km (0.102 R)
• M11: 9,463,561 km (0.083 R)
• M12: 12,460,007 km (0.027 R)
• M13: 13,662,474 km (0.078 R)
• M14: 15,038,625 km (0.113 R)
• M15: 18,288,340 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 14,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit