🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 11.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.53 AU - 1.63 AU

Year: 1303 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,867,930 km

• M1: 143,464 km (0.065 R)
• M2: 763,548 km (0.098 R)
• M3: 1,130,511 km (0.081 R)
• M4: 1,881,642 km (0.106 R)
• M5: 2,391,920 km (0.08 R)
• M6: 3,380,912 km (0.071 R)
• M7: 3,817,887 km (0.103 R)
• M8: 4,412,688 km (0.043 R)
• M9: 4,824,531 km (0.119 R)
• M10: 8,825,826 km (0.028 R)
• M11: 9,778,016 km (0.094 R)
• M12: 10,202,126 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 10.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.4 AU - 2.14 AU

Year: 1545 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,867,930 km

• M1: 130,599 km (0.106 R)
• M2: 612,154 km (0.094 R)
• M3: 1,267,094 km (0.113 R)
• M4: 1,722,021 km (0.073 R)
• M5: 2,261,471 km (0.065 R)
• M6: 2,711,461 km (0.064 R)
• M7: 3,105,353 km (0.111 R)
• M8: 4,043,182 km (0.112 R)
• M9: 4,522,643 km (0.089 R)
• M10: 5,426,663 km (0.076 R)
• M11: 5,899,841 km (0.073 R)
• M12: 6,260,970 km (0.056 R)
• M13: 6,830,489 km (0.117 R)
• M14: 7,964,142 km (0.065 R)
• M15: 9,011,028 km (0.119 R)
• M16: 9,399,833 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 15

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.76 AU - 4.14 AU

Year: 4204 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,867,930 km

• M1: 188,344 km (0.119 R)
• M2: 683,662 km (0.073 R)
• M3: 1,164,021 km (0.087 R)
• M4: 1,701,526 km (0.082 R)
• M5: 2,513,843 km (0.118 R)
• M6: 3,082,165 km (0.119 R)
• M7: 3,594,388 km (0.12 R)
• M8: 4,163,608 km (0.118 R)
• M9: 6,481,926 km (0.113 R)
• M10: 7,232,758 km (0.101 R)
• M11: 7,902,358 km (0.087 R)
• M12: 10,704,625 km (0.109 R)
• M13: 11,265,617 km (0.078 R)
• M14: 12,541,089 km (0.103 R)
• M15: 13,262,898 km (0.108 R)
• M16: 13,860,243 km (0.052 R)
• M17: 15,982,139 km (0.038 R)
• M18: 17,237,564 km (0.094 R)
• M19: 19,880,061 km (0.053 R)
• M20: 20,465,737 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.9

Radius: 14.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.69 AU - 3.93 AU

Year: 4879 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,867,930 km

• M1: 191,036 km (0.108 R)
• M2: 679,623 km (0.11 R)
• M3: 1,618,350 km (0.095 R)
• M4: 2,074,025 km (0.054 R)
• M5: 2,630,080 km (0.078 R)
• M6: 3,872,640 km (0.059 R)
• M7: 5,974,789 km (0.063 R)
• M8: 6,453,652 km (0.103 R)
• M9: 9,152,547 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127

Radius: 5.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.9 AU - 11.48 AU

Year: 18276 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,867,930 km

• M1: 69,713 km (0.094 R)
• M2: 362,924 km (0.085 R)
• M3: 1,788,592 km (0.079 R)
• M4: 2,036,775 km (0.051 R)
• M5: 2,641,001 km (0.09 R)
• M6: 2,819,471 km (0.093 R)
• M7: 4,413,287 km (0.102 R)
• M8: 5,076,753 km (0.116 R)
• M9: 6,708,567 km (0.09 R)
• M10: 7,583,415 km (0.084 R)
• M11: 8,361,474 km (0.1 R)
• M12: 8,923,663 km (0.073 R)
• M13: 9,418,832 km (0.1 R)
• M14: 9,979,674 km (0.088 R)
• M15: 13,410,252 km (0.098 R)
• M16: 17,692,791 km (0.077 R)
• M17: 19,202,532 km (0.083 R)
• M18: 20,718,408 km (0.054 R)
• M19: 25,651,996 km (0.113 R)
• M20: 30,704,065 km (0.099 R)
• M21: 32,350,390 km (0.086 R)
• M22: 36,835,932 km (0.034 R)
• M23: 38,693,340 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 7.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.08 AU - 11.64 AU

Year: 18786 Days

Day: 24.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,867,930 km

• M1: 644,767 km (0.08 R)
• M2: 1,078,301 km (0.09 R)
• M3: 1,707,959 km (0.099 R)
• M4: 4,016,852 km (0.051 R)
• M5: 4,921,770 km (0.031 R)
• M6: 5,344,234 km (0.098 R)
• M7: 5,758,022 km (0.076 R)
• M8: 7,909,688 km (0.106 R)
• M9: 9,687,659 km (0.106 R)
• M10: 10,595,868 km (0.111 R)
• M11: 13,894,949 km (0.097 R)
• M12: 17,821,295 km (0.032 R)
• M13: 30,189,598 km (0.096 R)
• M14: 33,269,070 km (0.117 R)
• M15: 38,738,967 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.2

Radius: 4.4

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.96 AU - 11.34 AU

Year: 21213 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,867,930 km

• M1: 54,753 km (0.073 R)
• M2: 210,634 km (0.043 R)
• M3: 595,998 km (0.101 R)
• M4: 736,919 km (0.059 R)
• M5: 890,257 km (0.073 R)
• M6: 1,249,142 km (0.083 R)
• M7: 2,347,340 km (0.12 R)
• M8: 2,817,377 km (0.07 R)
• M9: 3,098,920 km (0.111 R)
• M10: 3,296,838 km (0.114 R)
• M11: 3,529,612 km (0.103 R)
• M12: 3,913,331 km (0.097 R)
• M13: 4,446,946 km (0.11 R)
• M14: 9,150,752 km (0.095 R)
• M15: 9,925,520 km (0.12 R)
• M16: 10,410,815 km (0.057 R)
• M17: 11,254,697 km (0.029 R)
• M18: 11,604,756 km (0.079 R)
• M19: 12,698,166 km (0.094 R)
• M20: 13,594,856 km (0.091 R)
• M21: 13,792,475 km (0.072 R)
• M22: 15,158,453 km (0.111 R)
• M23: 16,388,297 km (0.105 R)
• M24: 17,605,276 km (0.089 R)
• M25: 18,556,569 km (0.082 R)
• M26: 19,292,141 km (0.032 R)
• M27: 19,458,195 km (0.111 R)
• M28: 20,908,696 km (0.107 R)
• M29: 21,083,875 km (0.095 R)
• M30: 26,705,613 km (0.051 R)
• M31: 28,925,496 km (0.054 R)
• M32: 34,090,213 km (0.091 R)
• M33: 35,315,869 km (0.097 R)
• M34: 40,512,599 km (0.105 R)
• M35: 44,728,716 km (0.082 R)
• M36: 46,493,821 km (0.1 R)
• M37: 50,162,560 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit