🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.51 AU - 0.61 AU

Year: 275 Days

Day: 23.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,074,009 km

• M1: 82,428 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.56 AU - 0.56 AU

Year: 275 Days

Day: 39 Hours

Environment

Temp: -121 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 11.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.73 AU - 0.95 AU

Year: 505 Days

Day: 9.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,074,009 km

• M1: 146,905 km (0.034 R)
• M2: 538,403 km (0.073 R)
• M3: 1,169,257 km (0.108 R)
• M4: 2,066,994 km (0.108 R)
• M5: 3,356,079 km (0.091 R)
• M6: 4,763,196 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 8.3

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.77 AU - 3.09 AU

Year: 3290 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,074,009 km

• M1: 122,072 km (0.11 R)
• M2: 533,466 km (0.083 R)
• M3: 899,981 km (0.113 R)
• M4: 1,267,393 km (0.106 R)
• M5: 1,803,402 km (0.105 R)
• M6: 2,573,083 km (0.113 R)
• M7: 3,414,571 km (0.072 R)
• M8: 4,042,434 km (0.052 R)
• M9: 4,861,931 km (0.119 R)
• M10: 5,735,134 km (0.073 R)
• M11: 7,097,372 km (0.075 R)
• M12: 8,218,309 km (0.08 R)
• M13: 8,768,230 km (0.097 R)
• M14: 11,299,726 km (0.107 R)
• M15: 13,942,821 km (0.096 R)
• M16: 14,379,347 km (0.112 R)
• M17: 15,639,859 km (0.112 R)
• M18: 16,005,626 km (0.107 R)
• M19: 16,484,189 km (0.088 R)
• M20: 16,972,327 km (0.08 R)
• M21: 17,247,737 km (0.107 R)
• M22: 18,494,785 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 8

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.85 AU - 3.09 AU

Year: 3358 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,074,009 km

• M1: 99,483 km (0.114 R)
• M2: 389,403 km (0.116 R)
• M3: 654,191 km (0.065 R)
• M4: 1,414,298 km (0.094 R)
• M5: 1,819,858 km (0.104 R)
• M6: 2,434,257 km (0.083 R)
• M7: 2,781,473 km (0.094 R)
• M8: 3,072,291 km (0.092 R)
• M9: 3,459,600 km (0.112 R)
• M10: 4,606,717 km (0.087 R)
• M11: 4,941,666 km (0.093 R)
• M12: 5,660,484 km (0.076 R)
• M13: 6,476,541 km (0.063 R)
• M14: 8,516,308 km (0.109 R)
• M15: 8,875,492 km (0.114 R)
• M16: 9,282,099 km (0.119 R)
• M17: 10,252,690 km (0.116 R)
• M18: 11,723,088 km (0.105 R)
• M19: 12,855,992 km (0.11 R)
• M20: 14,613,169 km (0.049 R)
• M21: 15,232,953 km (0.095 R)
• M22: 16,249,770 km (0.082 R)
• M23: 17,254,319 km (0.085 R)
• M24: 19,080,311 km (0.112 R)
• M25: 22,426,516 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.4

Radius: 11.3

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.66 AU - 5.72 AU

Year: 6663 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,074,009 km

• M1: 140,472 km (0.063 R)
• M2: 559,496 km (0.1 R)
• M3: 1,083,388 km (0.092 R)
• M4: 3,775,102 km (0.097 R)
• M5: 4,228,833 km (0.097 R)
• M6: 6,704,229 km (0.111 R)
• M7: 7,070,295 km (0.105 R)
• M8: 7,449,525 km (0.062 R)
• M9: 8,929,198 km (0.08 R)
• M10: 9,282,997 km (0.117 R)
• M11: 11,764,377 km (0.052 R)
• M12: 13,016,660 km (0.097 R)
• M13: 17,997,073 km (0.103 R)
• M14: 18,850,528 km (0.059 R)
• M15: 19,360,807 km (0.073 R)
• M16: 22,946,369 km (0.097 R)
• M17: 24,376,524 km (0.078 R)
• M18: 25,598,290 km (0.111 R)
• M19: 27,600,059 km (0.088 R)
• M20: 28,163,594 km (0.102 R)
• M21: 28,734,909 km (0.099 R)
• M22: 29,900,575 km (0.113 R)
• M23: 30,795,320 km (0.108 R)
• M24: 32,952,372 km (0.096 R)
• M25: 34,337,050 km (0.078 R)
• M26: 38,257,711 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 13.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.11 AU - 5.31 AU

Year: 7801 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,074,009 km

• M1: 167,849 km (0.103 R)
• M2: 1,444,966 km (0.094 R)
• M3: 1,972,149 km (0.088 R)
• M4: 2,686,778 km (0.12 R)
• M5: 3,894,631 km (0.083 R)
• M6: 6,115,262 km (0.032 R)
• M7: 6,585,448 km (0.11 R)
• M8: 8,804,283 km (0.071 R)
• M9: 11,108,539 km (0.111 R)
• M10: 13,607,123 km (0.1 R)
• M11: 14,987,762 km (0.092 R)
• M12: 16,947,793 km (0.058 R)
• M13: 21,785,639 km (0.114 R)
• M14: 24,026,166 km (0.06 R)
• M15: 24,474,062 km (0.047 R)
• M16: 27,767,160 km (0.087 R)
• M17: 29,776,110 km (0.093 R)
• M18: 39,031,580 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 13,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit