🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 14.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.32 AU - 1.36 AU

Year: 1018 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,602,376 km

• M1: 183,557 km (0.027 R)
• M2: 740,958 km (0.094 R)
• M3: 1,936,096 km (0.076 R)
• M4: 3,137,217 km (0.059 R)
• M5: 3,599,923 km (0.057 R)
• M6: 4,560,491 km (0.119 R)
• M7: 5,369,068 km (0.033 R)
• M8: 6,424,032 km (0.099 R)
• M9: 8,066,616 km (0.088 R)
• M10: 9,055,458 km (0.086 R)
• M11: 9,885,876 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.4

Radius: 8.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.21 AU - 1.97 AU

Year: 1315 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,602,376 km

• M1: 108,159 km (0.044 R)
• M2: 379,081 km (0.046 R)
• M3: 754,572 km (0.105 R)
• M4: 1,176,138 km (0.066 R)
• M5: 1,789,340 km (0.073 R)
• M6: 2,155,257 km (0.079 R)
• M7: 2,550,045 km (0.051 R)
• M8: 2,992,705 km (0.062 R)
• M9: 3,692,674 km (0.093 R)
• M10: 4,588,615 km (0.12 R)
• M11: 5,014,221 km (0.078 R)
• M12: 5,329,424 km (0.076 R)
• M13: 5,693,246 km (0.097 R)
• M14: 6,374,515 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 8.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.67 AU - 1.91 AU

Year: 1571 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,602,376 km

• M1: 107,561 km (0.081 R)
• M2: 391,647 km (0.079 R)
• M3: 661,821 km (0.106 R)
• M4: 1,393,355 km (0.055 R)
• M5: 1,666,371 km (0.099 R)
• M6: 2,071,931 km (0.107 R)
• M7: 2,401,046 km (0.073 R)
• M8: 3,500,141 km (0.049 R)
• M9: 4,110,949 km (0.068 R)
• M10: 5,829,979 km (0.084 R)
• M11: 6,568,693 km (0.1 R)
• M12: 6,889,281 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 11.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.71 AU - 1.95 AU

Year: 1624 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,602,376 km

• M1: 144,212 km (0.101 R)
• M2: 513,270 km (0.102 R)
• M3: 1,059,003 km (0.091 R)
• M4: 1,557,912 km (0.101 R)
• M5: 2,211,655 km (0.106 R)
• M6: 3,325,860 km (0.117 R)
• M7: 3,755,056 km (0.084 R)
• M8: 4,238,407 km (0.044 R)
• M9: 5,130,160 km (0.099 R)
• M10: 6,232,995 km (0.114 R)
• M11: 6,840,662 km (0.101 R)
• M12: 8,012,462 km (0.081 R)
• M13: 8,903,467 km (0.065 R)
• M14: 9,402,974 km (0.119 R)
• M15: 10,171,608 km (0.101 R)
• M16: 10,717,939 km (0.117 R)
• M17: 11,283,569 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.8

Radius: 6.8

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.6 AU - 7.6 AU

Year: 12411 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 155.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,602,376 km

• M1: 121,623 km (0.098 R)
• M2: 424,260 km (0.107 R)
• M3: 647,460 km (0.111 R)
• M4: 1,476,082 km (0.109 R)
• M5: 1,993,392 km (0.092 R)
• M6: 2,668,826 km (0.073 R)
• M7: 3,255,848 km (0.057 R)
• M8: 4,846,672 km (0.054 R)
• M9: 6,132,615 km (0.104 R)
• M10: 6,607,888 km (0.116 R)
• M11: 6,854,574 km (0.086 R)
• M12: 9,359,740 km (0.042 R)
• M13: 13,242,254 km (0.105 R)
• M14: 14,443,674 km (0.07 R)
• M15: 19,472,257 km (0.1 R)
• M16: 21,467,444 km (0.095 R)
• M17: 22,933,204 km (0.043 R)
• M18: 29,465,545 km (0.115 R)
• M19: 30,928,612 km (0.119 R)
• M20: 40,875,673 km (0.112 R)
• M21: 46,639,979 km (0.117 R)
• M22: 54,077,985 km (0.117 R)

Asteroid Belt

Center: 7.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.7

Radius: 4.3

Gravity: 23.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.99 AU - 10.45 AU

Year: 16892 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,602,376 km

• M1: 73,602 km (0.102 R)
• M2: 228,286 km (0.067 R)
• M3: 412,292 km (0.08 R)
• M4: 611,406 km (0.052 R)
• M5: 862,881 km (0.085 R)
• M6: 2,947,527 km (0.07 R)
• M7: 3,447,034 km (0.119 R)
• M8: 3,716,909 km (0.065 R)
• M9: 5,247,744 km (0.07 R)
• M10: 5,826,987 km (0.069 R)
• M11: 6,328,289 km (0.08 R)
• M12: 10,782,566 km (0.105 R)
• M13: 12,139,418 km (0.113 R)
• M14: 13,083,231 km (0.087 R)
• M15: 20,744,288 km (0.083 R)
• M16: 32,810,254 km (0.11 R)
• M17: 34,385,220 km (0.062 R)
• M18: 39,411,260 km (0.086 R)
• M19: 41,189,679 km (0.097 R)
• M20: 43,594,914 km (0.059 R)
• M21: 48,528,203 km (0.08 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: 318 - 18,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit