🌌 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: 391.7

Radius: 12.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.63 AU - 1.05 AU

Year: 513 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,655,484 km

• M1: 160,369 km (0.116 R)
• M2: 630,555 km (0.12 R)
• M3: 1,052,870 km (0.114 R)
• M4: 1,618,799 km (0.098 R)
• M5: 2,244,417 km (0.098 R)
• M6: 3,167,137 km (0.071 R)
• M7: 4,383,068 km (0.078 R)
• M8: 5,105,476 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 8.4

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.81 AU - 0.91 AU

Year: 532 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,655,484 km

• M1: 104,719 km (0.085 R)
• M2: 597,793 km (0.025 R)
• M3: 1,072,018 km (0.094 R)
• M4: 1,749,996 km (0.059 R)
• M5: 2,121,447 km (0.055 R)
• M6: 2,397,904 km (0.074 R)
• M7: 2,719,240 km (0.105 R)
• M8: 3,092,338 km (0.045 R)
• M9: 3,524,227 km (0.095 R)
• M10: 4,333,252 km (0.08 R)
• M11: 5,017,363 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 10.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.03 AU - 1.11 AU

Year: 738 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,655,484 km

• M1: 134,339 km (0.064 R)
• M2: 491,878 km (0.058 R)
• M3: 879,187 km (0.091 R)
• M4: 1,347,578 km (0.115 R)
• M5: 1,683,874 km (0.03 R)
• M6: 2,086,292 km (0.066 R)
• M7: 2,723,728 km (0.071 R)
• M8: 3,234,156 km (0.081 R)
• M9: 3,975,264 km (0.086 R)
• M10: 4,761,401 km (0.117 R)
• M11: 6,304,653 km (0.073 R)
• M12: 6,742,825 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 8.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.35 AU - 1.63 AU

Year: 1213 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,655,484 km

• M1: 110,702 km (0.082 R)
• M2: 392,994 km (0.105 R)
• M3: 702,212 km (0.099 R)
• M4: 1,006,195 km (0.038 R)
• M5: 1,377,497 km (0.105 R)
• M6: 1,758,523 km (0.108 R)
• M7: 2,057,420 km (0.085 R)
• M8: 2,558,872 km (0.103 R)
• M9: 2,870,035 km (0.088 R)
• M10: 3,526,022 km (0.111 R)
• M11: 3,866,806 km (0.08 R)
• M12: 4,969,043 km (0.112 R)
• M13: 6,310,637 km (0.085 R)
• M14: 6,680,891 km (0.094 R)
• M15: 7,440,848 km (0.048 R)
• M16: 8,155,328 km (0.095 R)
• M17: 8,464,098 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 10.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.74 AU - 2 AU

Year: 1705 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,655,484 km

• M1: 139,575 km (0.101 R)
• M2: 800,498 km (0.066 R)
• M3: 1,837,361 km (0.114 R)
• M4: 3,166,239 km (0.108 R)
• M5: 3,675,470 km (0.044 R)
• M6: 4,290,916 km (0.092 R)
• M7: 4,858,490 km (0.092 R)
• M8: 6,939,097 km (0.086 R)
• M9: 7,514,899 km (0.095 R)
• M10: 7,854,187 km (0.045 R)
• M11: 8,819,094 km (0.108 R)
• M12: 10,300,412 km (0.088 R)
• M13: 11,218,045 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.6

Radius: 13.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.07 AU - 4.13 AU

Year: 5536 Days

Day: 9 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,655,484 km

• M1: 171,738 km (0.096 R)
• M2: 730,038 km (0.041 R)
• M3: 1,288,935 km (0.091 R)
• M4: 1,837,810 km (0.107 R)
• M5: 2,489,009 km (0.059 R)
• M6: 2,966,526 km (0.106 R)
• M7: 3,505,078 km (0.107 R)
• M8: 4,513,817 km (0.117 R)
• M9: 5,058,203 km (0.051 R)
• M10: 7,173,367 km (0.083 R)
• M11: 7,726,580 km (0.082 R)
• M12: 9,002,351 km (0.095 R)
• M13: 10,230,101 km (0.119 R)
• M14: 11,076,376 km (0.107 R)
• M15: 13,673,395 km (0.105 R)
• M16: 17,493,227 km (0.088 R)
• M17: 24,765,479 km (0.093 R)
• M18: 28,602,365 km (0.098 R)
• M19: 30,950,303 km (0.061 R)
• M20: 33,934,183 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 8.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.13 AU - 5.19 AU

Year: 7816 Days

Day: 12.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,655,484 km

• M1: 102,923 km (0.101 R)
• M2: 364,869 km (0.057 R)
• M3: 939,026 km (0.085 R)
• M4: 2,298,122 km (0.076 R)
• M5: 3,325,411 km (0.119 R)
• M6: 5,291,875 km (0.082 R)
• M7: 8,838,990 km (0.105 R)
• M8: 9,852,965 km (0.09 R)
• M9: 11,375,871 km (0.107 R)
• M10: 12,026,921 km (0.086 R)
• M11: 13,537,560 km (0.113 R)
• M12: 14,549,440 km (0.098 R)
• M13: 15,122,101 km (0.078 R)
• M14: 15,859,020 km (0.111 R)
• M15: 16,414,626 km (0.111 R)
• M16: 17,671,548 km (0.106 R)
• M17: 18,159,087 km (0.064 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 19,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit