🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 10.9

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.03 AU - 1.71 AU

Year: 1035 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,936,815 km

• M1: 136,732 km (0.063 R)
• M2: 509,381 km (0.091 R)
• M3: 997,219 km (0.099 R)
• M4: 1,671,906 km (0.091 R)
• M5: 2,024,358 km (0.084 R)
• M6: 2,415,557 km (0.068 R)
• M7: 3,084,409 km (0.046 R)
• M8: 4,428,247 km (0.059 R)
• M9: 5,636,549 km (0.086 R)
• M10: 7,149,881 km (0.065 R)
• M11: 7,727,179 km (0.066 R)
• M12: 8,066,916 km (0.094 R)
• M13: 9,677,037 km (0.107 R)
• M14: 10,415,453 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 13

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.51 AU - 1.81 AU

Year: 1381 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 177.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,936,815 km

• M1: 161,865 km (0.078 R)
• M2: 572,661 km (0.066 R)
• M3: 1,348,774 km (0.12 R)
• M4: 1,822,102 km (0.078 R)
• M5: 3,154,122 km (0.103 R)
• M6: 3,734,561 km (0.077 R)
• M7: 5,129,262 km (0.107 R)
• M8: 5,638,194 km (0.027 R)
• M9: 6,098,357 km (0.11 R)
• M10: 6,824,505 km (0.099 R)
• M11: 8,973,628 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 8.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.06 AU - 2.96 AU

Year: 2568 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,936,815 km

• M1: 102,175 km (0.072 R)
• M2: 422,016 km (0.102 R)
• M3: 987,645 km (0.104 R)
• M4: 1,687,614 km (0.071 R)
• M5: 2,112,472 km (0.108 R)
• M6: 2,376,063 km (0.081 R)
• M7: 2,695,006 km (0.078 R)
• M8: 3,252,258 km (0.112 R)
• M9: 4,659,824 km (0.11 R)
• M10: 5,589,425 km (0.111 R)
• M11: 6,637,658 km (0.063 R)
• M12: 6,950,915 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 12.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.69 AU - 4.65 AU

Year: 5498 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,936,815 km

• M1: 157,826 km (0.087 R)
• M2: 567,874 km (0.071 R)
• M3: 1,038,658 km (0.098 R)
• M4: 1,692,401 km (0.097 R)
• M5: 2,087,339 km (0.09 R)
• M6: 2,706,525 km (0.118 R)
• M7: 3,124,052 km (0.101 R)
• M8: 7,114,725 km (0.05 R)
• M9: 12,968,041 km (0.09 R)
• M10: 19,772,799 km (0.112 R)
• M11: 20,821,032 km (0.12 R)
• M12: 22,603,191 km (0.074 R)
• M13: 24,188,779 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 10.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.21 AU - 5.65 AU

Year: 7068 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,936,815 km

• M1: 135,536 km (0.108 R)
• M2: 688,449 km (0.113 R)
• M3: 1,166,265 km (0.114 R)
• M4: 1,735,634 km (0.108 R)
• M5: 2,212,852 km (0.065 R)
• M6: 2,645,489 km (0.099 R)
• M7: 3,660,062 km (0.065 R)
• M8: 4,585,025 km (0.119 R)
• M9: 6,475,194 km (0.054 R)
• M10: 7,146,290 km (0.092 R)
• M11: 7,785,522 km (0.073 R)
• M12: 9,178,278 km (0.084 R)
• M13: 9,662,526 km (0.061 R)
• M14: 11,772,754 km (0.12 R)
• M15: 12,187,140 km (0.071 R)
• M16: 15,001,375 km (0.087 R)
• M17: 16,303,326 km (0.071 R)
• M18: 20,660,214 km (0.101 R)
• M19: 21,647,111 km (0.113 R)
• M20: 22,506,401 km (0.056 R)
• M21: 23,065,000 km (0.026 R)
• M22: 23,796,683 km (0.101 R)
• M23: 25,910,650 km (0.105 R)
• M24: 30,122,429 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 14.8

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.8 AU - 5.12 AU

Year: 7132 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,936,815 km

• M1: 184,155 km (0.092 R)
• M2: 898,485 km (0.097 R)
• M3: 1,403,378 km (0.071 R)
• M4: 3,289,807 km (0.071 R)
• M5: 5,899,093 km (0.094 R)
• M6: 9,817,809 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.5

Radius: 4.6

Gravity: 29.14 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.23 AU - 8.79 AU

Year: 13288 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,936,815 km

• M1: 58,493 km (0.118 R)
• M2: 269,276 km (0.081 R)
• M3: 538,552 km (0.078 R)
• M4: 1,085,333 km (0.102 R)
• M5: 1,297,014 km (0.118 R)
• M6: 2,065,348 km (0.112 R)
• M7: 2,432,611 km (0.047 R)
• M8: 4,109,154 km (0.098 R)
• M9: 5,355,604 km (0.118 R)
• M10: 5,675,594 km (0.118 R)
• M11: 5,858,851 km (0.066 R)
• M12: 6,712,157 km (0.111 R)
• M13: 7,734,360 km (0.101 R)
• M14: 8,096,985 km (0.086 R)
• M15: 8,614,145 km (0.102 R)
• M16: 8,905,262 km (0.09 R)
• M17: 9,253,077 km (0.026 R)
• M18: 10,297,121 km (0.072 R)
• M19: 11,016,537 km (0.114 R)
• M20: 17,014,663 km (0.118 R)
• M21: 18,414,152 km (0.118 R)
• M22: 19,804,664 km (0.049 R)
• M23: 20,311,800 km (0.047 R)
• M24: 26,985,062 km (0.099 R)
• M25: 30,418,782 km (0.111 R)
• M26: 31,320,558 km (0.099 R)
• M27: 32,239,987 km (0.102 R)
• M28: 38,137,584 km (0.097 R)
• M29: 38,921,776 km (0.086 R)
• M30: 39,716,739 km (0.113 R)
• M31: 41,476,159 km (0.058 R)
• M32: 48,727,467 km (0.119 R)
• M33: 52,489,854 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 11,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit