🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 10.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.82 AU - 1.14 AU

Year: 626 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,917,157 km

• M1: 135,536 km (0.036 R)
• M2: 485,595 km (0.115 R)
• M3: 846,126 km (0.067 R)
• M4: 1,260,811 km (0.075 R)
• M5: 1,994,588 km (0.085 R)
• M6: 2,428,422 km (0.106 R)
• M7: 2,846,847 km (0.034 R)
• M8: 4,356,440 km (0.107 R)
• M9: 4,707,097 km (0.113 R)
• M10: 5,588,079 km (0.036 R)
• M11: 6,575,574 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.7

Radius: 13.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.1 AU - 2.52 AU

Year: 2267 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,917,157 km

• M1: 167,550 km (0.099 R)
• M2: 598,092 km (0.09 R)
• M3: 1,384,827 km (0.112 R)
• M4: 2,603,302 km (0.116 R)
• M5: 3,114,029 km (0.042 R)
• M6: 3,728,727 km (0.106 R)
• M7: 4,360,628 km (0.066 R)
• M8: 4,948,548 km (0.096 R)
• M9: 5,417,836 km (0.089 R)
• M10: 6,046,297 km (0.054 R)
• M11: 6,611,478 km (0.086 R)
• M12: 7,123,851 km (0.117 R)
• M13: 7,973,567 km (0.097 R)
• M14: 8,488,931 km (0.096 R)
• M15: 9,373,803 km (0.09 R)
• M16: 11,010,403 km (0.112 R)
• M17: 12,830,261 km (0.115 R)
• M18: 14,939,442 km (0.07 R)
• M19: 16,127,249 km (0.102 R)
• M20: 16,796,550 km (0.084 R)
• M21: 17,217,518 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 10.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.51 AU - 3.01 AU

Year: 2961 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,917,157 km

• M1: 128,355 km (0.042 R)
• M2: 548,725 km (0.114 R)
• M3: 1,150,408 km (0.061 R)
• M4: 2,154,808 km (0.06 R)
• M5: 3,555,044 km (0.105 R)
• M6: 4,727,143 km (0.083 R)
• M7: 5,197,180 km (0.112 R)
• M8: 5,872,165 km (0.067 R)
• M9: 9,808,983 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.9

Radius: 9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.81 AU - 2.91 AU

Year: 3123 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,917,157 km

• M1: 113,545 km (0.107 R)
• M2: 862,133 km (0.104 R)
• M3: 1,572,423 km (0.096 R)
• M4: 2,726,720 km (0.075 R)
• M5: 4,830,515 km (0.101 R)
• M6: 5,148,261 km (0.08 R)
• M7: 5,457,480 km (0.093 R)
• M8: 9,630,812 km (0.105 R)
• M9: 9,965,612 km (0.107 R)
• M10: 10,273,484 km (0.071 R)
• M11: 11,125,743 km (0.088 R)
• M12: 11,494,502 km (0.12 R)
• M13: 12,930,342 km (0.097 R)
• M14: 13,296,857 km (0.108 R)
• M15: 14,833,227 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305

Radius: 12.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.27 AU - 4.29 AU

Year: 5717 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,917,157 km

• M1: 155,432 km (0.111 R)
• M2: 866,471 km (0.053 R)
• M3: 1,334,263 km (0.112 R)
• M4: 2,052,034 km (0.043 R)
• M5: 2,484,821 km (0.061 R)
• M6: 2,961,439 km (0.076 R)
• M7: 3,802,179 km (0.087 R)
• M8: 4,324,426 km (0.101 R)
• M9: 5,460,322 km (0.025 R)
• M10: 5,984,064 km (0.117 R)
• M11: 8,494,915 km (0.099 R)
• M12: 10,558,319 km (0.086 R)
• M13: 11,285,813 km (0.051 R)
• M14: 12,276,749 km (0.097 R)
• M15: 12,698,466 km (0.107 R)
• M16: 14,123,535 km (0.055 R)
• M17: 14,743,469 km (0.067 R)
• M18: 15,762,230 km (0.096 R)
• M19: 17,879,788 km (0.094 R)
• M20: 19,225,421 km (0.032 R)
• M21: 20,116,276 km (0.118 R)
• M22: 24,838,931 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 8.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.05 AU - 4.61 AU

Year: 5818 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,917,157 km

• M1: 365,168 km (0.101 R)
• M2: 1,114,654 km (0.059 R)
• M3: 1,775,727 km (0.056 R)
• M4: 2,322,357 km (0.07 R)
• M5: 2,873,925 km (0.065 R)
• M6: 3,356,827 km (0.11 R)
• M7: 4,214,471 km (0.117 R)
• M8: 4,985,199 km (0.109 R)
• M9: 7,400,457 km (0.088 R)
• M10: 7,761,437 km (0.107 R)
• M11: 10,668,423 km (0.088 R)
• M12: 11,172,119 km (0.085 R)
• M13: 11,429,876 km (0.077 R)
• M14: 11,779,785 km (0.11 R)
• M15: 18,159,087 km (0.099 R)
• M16: 21,080,285 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915

Radius: 6.7

Gravity: 20.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.05 AU - 8.29 AU

Year: 12396 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,917,157 km

• M1: 83,625 km (0.119 R)
• M2: 323,281 km (0.092 R)
• M3: 679,474 km (0.094 R)
• M4: 934,837 km (0.11 R)
• M5: 1,241,214 km (0.051 R)
• M6: 1,491,640 km (0.078 R)
• M7: 1,758,972 km (0.103 R)
• M8: 2,133,266 km (0.103 R)
• M9: 2,647,134 km (0.115 R)
• M10: 3,240,290 km (0.074 R)
• M11: 5,022,001 km (0.032 R)
• M12: 6,004,709 km (0.077 R)
• M13: 7,023,470 km (0.066 R)
• M14: 11,952,720 km (0.062 R)
• M15: 12,387,751 km (0.05 R)
• M16: 13,421,472 km (0.114 R)
• M17: 15,807,409 km (0.04 R)
• M18: 18,544,302 km (0.106 R)
• M19: 19,981,040 km (0.113 R)
• M20: 20,329,603 km (0.08 R)
• M21: 25,136,631 km (0.079 R)
• M22: 26,368,420 km (0.107 R)
• M23: 29,736,317 km (0.105 R)
• M24: 33,748,083 km (0.042 R)
• M25: 36,657,313 km (0.058 R)
• M26: 37,048,661 km (0.079 R)
• M27: 40,419,549 km (0.079 R)
• M28: 46,228,884 km (0.071 R)
• M29: 55,091,211 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 19,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit