🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 10.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.56 AU - 0.66 AU

Year: 318 Days

Day: 5.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,758,287 km

• M1: 137,480 km (0.092 R)
• M2: 515,963 km (0.067 R)
• M3: 959,521 km (0.066 R)
• M4: 1,396,945 km (0.078 R)
• M5: 2,046,648 km (0.119 R)
• M6: 2,669,574 km (0.061 R)
• M7: 3,269,761 km (0.098 R)
• M8: 3,876,829 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 13.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.55 AU - 0.73 AU

Year: 341 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,758,287 km

• M1: 172,935 km (0.05 R)
• M2: 696,228 km (0.048 R)
• M3: 1,138,440 km (0.068 R)
• M4: 1,579,604 km (0.086 R)
• M5: 2,014,934 km (0.086 R)
• M6: 2,469,412 km (0.072 R)
• M7: 2,913,867 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.3

Radius: 8.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.91 AU - 0.95 AU

Year: 598 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,758,287 km

• M1: 109,506 km (0.095 R)
• M2: 414,386 km (0.07 R)
• M3: 821,891 km (0.081 R)
• M4: 1,132,905 km (0.088 R)
• M5: 1,429,258 km (0.067 R)
• M6: 1,871,619 km (0.116 R)
• M7: 2,254,739 km (0.072 R)
• M8: 2,638,607 km (0.106 R)
• M9: 3,767,024 km (0.039 R)
• M10: 4,660,273 km (0.088 R)
• M11: 5,401,680 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 11.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.28 AU - 2.44 AU

Year: 2418 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,758,287 km

• M1: 139,575 km (0.055 R)
• M2: 532,269 km (0.052 R)
• M3: 1,018,612 km (0.075 R)
• M4: 1,433,746 km (0.038 R)
• M5: 1,851,423 km (0.079 R)
• M6: 2,863,004 km (0.051 R)
• M7: 3,656,172 km (0.035 R)
• M8: 4,884,370 km (0.057 R)
• M9: 5,942,177 km (0.117 R)
• M10: 6,604,297 km (0.088 R)
• M11: 9,381,881 km (0.114 R)
• M12: 9,755,128 km (0.065 R)
• M13: 10,787,203 km (0.119 R)
• M14: 12,048,313 km (0.067 R)
• M15: 14,589,532 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400

Radius: 12.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.87 AU - 2.87 AU

Year: 2433 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,758,287 km

• M1: 160,369 km (0.092 R)
• M2: 720,912 km (0.083 R)
• M3: 1,265,000 km (0.083 R)
• M4: 1,674,449 km (0.105 R)
• M5: 2,080,607 km (0.08 R)
• M6: 3,879,222 km (0.027 R)
• M7: 4,643,817 km (0.111 R)
• M8: 5,193,140 km (0.103 R)
• M9: 6,628,083 km (0.059 R)
• M10: 7,381,907 km (0.083 R)
• M11: 9,853,413 km (0.113 R)
• M12: 11,767,668 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.1

Radius: 4.2

Gravity: 22.85 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.3 AU - 10.5 AU

Year: 20772 Days

Day: 24.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,758,287 km

• M1: 67,020 km (0.091 R)
• M2: 426,952 km (0.117 R)
• M3: 1,001,408 km (0.06 R)
• M4: 1,580,801 km (0.109 R)
• M5: 1,998,777 km (0.1 R)
• M6: 2,735,397 km (0.062 R)
• M7: 4,360,778 km (0.087 R)
• M8: 4,893,197 km (0.112 R)
• M9: 5,211,092 km (0.076 R)
• M10: 7,977,157 km (0.093 R)
• M11: 9,399,533 km (0.061 R)
• M12: 9,670,156 km (0.108 R)
• M13: 10,455,694 km (0.107 R)
• M14: 16,312,750 km (0.091 R)
• M15: 16,703,649 km (0.111 R)
• M16: 18,246,003 km (0.104 R)
• M17: 19,792,397 km (0.107 R)
• M18: 21,704,407 km (0.078 R)
• M19: 28,622,112 km (0.105 R)
• M20: 31,418,844 km (0.077 R)
• M21: 33,256,205 km (0.077 R)
• M22: 33,632,144 km (0.11 R)
• M23: 39,615,611 km (0.11 R)
• M24: 43,079,100 km (0.066 R)
• M25: 44,884,148 km (0.096 R)
• M26: 45,189,926 km (0.053 R)
• M27: 48,966,973 km (0.107 R)
• M28: 52,609,233 km (0.072 R)
• M29: 56,428,018 km (0.094 R)
• M30: 61,550,099 km (0.117 R)
• M31: 65,196,846 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270

Radius: 3.6

Gravity: 20.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.16 AU - 10.52 AU

Year: 22172 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,758,287 km

• M1: 45,478 km (0.103 R)
• M2: 322,832 km (0.091 R)
• M3: 605,722 km (0.047 R)
• M4: 912,248 km (0.066 R)
• M5: 1,273,078 km (0.095 R)
• M6: 1,722,320 km (0.106 R)
• M7: 2,518,181 km (0.056 R)
• M8: 3,244,329 km (0.054 R)
• M9: 4,281,940 km (0.041 R)
• M10: 4,500,502 km (0.076 R)
• M11: 4,993,876 km (0.049 R)
• M12: 5,166,213 km (0.112 R)
• M13: 5,413,947 km (0.109 R)
• M14: 5,933,201 km (0.083 R)
• M15: 6,363,893 km (0.075 R)
• M16: 6,984,276 km (0.071 R)
• M17: 7,156,313 km (0.079 R)
• M18: 9,343,434 km (0.039 R)
• M19: 9,764,403 km (0.094 R)
• M20: 11,103,304 km (0.117 R)
• M21: 11,695,562 km (0.117 R)
• M22: 14,834,274 km (0.061 R)
• M23: 17,134,192 km (0.061 R)
• M24: 22,518,967 km (0.113 R)
• M25: 25,948,349 km (0.119 R)
• M26: 26,361,239 km (0.076 R)
• M27: 28,710,225 km (0.072 R)
• M28: 29,151,688 km (0.053 R)
• M29: 32,728,573 km (0.037 R)
• M30: 32,848,551 km (0.067 R)
• M31: 36,975,807 km (0.09 R)
• M32: 43,721,174 km (0.055 R)
• M33: 44,747,117 km (0.103 R)
• M34: 44,894,919 km (0.094 R)
• M35: 45,788,916 km (0.108 R)
• M36: 47,766,600 km (0.076 R)
• M37: 53,040,673 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 15,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit