🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.9

Radius: 11.5

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.74 AU - 1.02 AU

Year: 525 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,205,174 km

• M1: 143,464 km (0.097 R)
• M2: 598,840 km (0.061 R)
• M3: 1,312,721 km (0.049 R)
• M4: 2,212,553 km (0.083 R)
• M5: 3,161,153 km (0.089 R)
• M6: 3,562,524 km (0.115 R)
• M7: 3,998,003 km (0.107 R)
• M8: 5,701,474 km (0.078 R)
• M9: 6,515,137 km (0.039 R)
• M10: 7,022,722 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 11.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.51 AU - 1.73 AU

Year: 1311 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,205,174 km

• M1: 143,016 km (0.079 R)
• M2: 511,924 km (0.074 R)
• M3: 1,060,200 km (0.115 R)
• M4: 1,562,251 km (0.041 R)
• M5: 2,387,732 km (0.09 R)
• M6: 3,056,135 km (0.077 R)
• M7: 3,683,399 km (0.072 R)
• M8: 4,043,630 km (0.112 R)
• M9: 4,835,901 km (0.103 R)
• M10: 6,235,688 km (0.084 R)
• M11: 6,838,867 km (0.102 R)
• M12: 7,456,855 km (0.103 R)
• M13: 8,492,073 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 8.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.7 AU - 1.8 AU

Year: 1472 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,205,174 km

• M1: 104,419 km (0.119 R)
• M2: 374,593 km (0.072 R)
• M3: 757,713 km (0.106 R)
• M4: 2,171,413 km (0.042 R)
• M5: 3,431,626 km (0.061 R)
• M6: 3,954,470 km (0.093 R)
• M7: 4,546,728 km (0.105 R)
• M8: 5,310,874 km (0.112 R)
• M9: 6,052,580 km (0.11 R)
• M10: 8,118,078 km (0.116 R)
• M11: 8,481,152 km (0.079 R)
• M12: 9,046,034 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 9.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.34 AU - 2.5 AU

Year: 2394 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,205,174 km

• M1: 116,986 km (0.1 R)
• M2: 637,586 km (0.103 R)
• M3: 992,582 km (0.117 R)
• M4: 1,480,570 km (0.094 R)
• M5: 2,030,641 km (0.11 R)
• M6: 2,914,017 km (0.114 R)
• M7: 3,363,409 km (0.054 R)
• M8: 3,969,879 km (0.025 R)
• M9: 4,865,072 km (0.076 R)
• M10: 5,499,517 km (0.076 R)
• M11: 6,253,341 km (0.094 R)
• M12: 6,839,615 km (0.102 R)
• M13: 7,610,792 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 11.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.19 AU - 2.77 AU

Year: 2483 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,205,174 km

• M1: 141,819 km (0.112 R)
• M2: 531,820 km (0.074 R)
• M3: 895,792 km (0.05 R)
• M4: 2,156,902 km (0.112 R)
• M5: 2,703,832 km (0.111 R)
• M6: 3,940,258 km (0.094 R)
• M7: 4,971,137 km (0.106 R)
• M8: 6,194,100 km (0.068 R)
• M9: 6,810,144 km (0.053 R)
• M10: 7,212,861 km (0.085 R)
• M11: 7,919,562 km (0.105 R)
• M12: 8,340,081 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.7

Radius: 3.8

Gravity: 57.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.77 AU - 9.73 AU

Year: 15067 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,205,174 km

• M1: 47,273 km (0.1 R)
• M2: 287,378 km (0.094 R)
• M3: 431,590 km (0.119 R)
• M4: 667,954 km (0.116 R)
• M5: 1,045,091 km (0.104 R)
• M6: 1,171,651 km (0.069 R)
• M7: 2,024,658 km (0.11 R)
• M8: 2,162,138 km (0.111 R)
• M9: 3,931,881 km (0.051 R)
• M10: 5,640,588 km (0.099 R)
• M11: 7,693,519 km (0.082 R)
• M12: 8,627,758 km (0.079 R)
• M13: 11,016,686 km (0.061 R)
• M14: 13,259,906 km (0.08 R)
• M15: 15,260,180 km (0.025 R)
• M16: 15,637,316 km (0.068 R)
• M17: 17,534,666 km (0.054 R)
• M18: 21,121,424 km (0.113 R)
• M19: 21,401,471 km (0.099 R)
• M20: 23,036,127 km (0.079 R)
• M21: 24,238,745 km (0.06 R)
• M22: 41,791,512 km (0.116 R)
• M23: 46,190,138 km (0.102 R)
• M24: 50,387,405 km (0.096 R)
• M25: 51,054,911 km (0.095 R)
• M26: 52,407,425 km (0.087 R)
• M27: 52,749,256 km (0.073 R)
• M28: 54,656,180 km (0.114 R)
• M29: 57,874,629 km (0.04 R)
• M30: 58,790,617 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.5

Radius: 5.3

Gravity: 24.15 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.74 AU - 10.86 AU

Year: 22567 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 80.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,205,174 km

• M1: 66,870 km (0.087 R)
• M2: 306,077 km (0.1 R)
• M3: 491,279 km (0.109 R)
• M4: 713,283 km (0.115 R)
• M5: 882,179 km (0.073 R)
• M6: 2,305,902 km (0.078 R)
• M7: 2,536,731 km (0.083 R)
• M8: 3,098,920 km (0.045 R)
• M9: 3,962,399 km (0.048 R)
• M10: 4,192,929 km (0.108 R)
• M11: 7,651,033 km (0.029 R)
• M12: 8,593,799 km (0.097 R)
• M13: 9,670,455 km (0.106 R)
• M14: 10,271,839 km (0.112 R)
• M15: 10,519,273 km (0.102 R)
• M16: 11,682,098 km (0.112 R)
• M17: 12,785,532 km (0.096 R)
• M18: 13,509,436 km (0.03 R)
• M19: 13,956,733 km (0.105 R)
• M20: 16,849,956 km (0.107 R)
• M21: 17,021,545 km (0.099 R)
• M22: 17,194,181 km (0.079 R)
• M23: 18,436,292 km (0.119 R)
• M24: 20,409,637 km (0.105 R)
• M25: 22,415,895 km (0.054 R)
• M26: 26,699,031 km (0.042 R)
• M27: 28,360,615 km (0.044 R)
• M28: 32,150,976 km (0.05 R)
• M29: 32,415,016 km (0.089 R)
• M30: 42,121,225 km (0.072 R)
• M31: 45,520,837 km (0.103 R)
• M32: 47,202,018 km (0.05 R)
• M33: 51,225,153 km (0.074 R)
• M34: 51,405,120 km (0.077 R)
• M35: 53,597,177 km (0.097 R)
• M36: 63,610,511 km (0.077 R)
• M37: 70,267,915 km (0.101 R)
• M38: 73,878,908 km (0.116 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: 214 - 10,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit