🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.1

Radius: 11.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.98 AU - 3.28 AU

Year: 2893 Days

Day: 14.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,568,913 km

• M1: 141,819 km (0.096 R)
• M2: 595,699 km (0.089 R)
• M3: 987,496 km (0.083 R)
• M4: 1,503,758 km (0.094 R)
• M5: 2,060,262 km (0.092 R)
• M6: 2,643,245 km (0.073 R)
• M7: 3,333,938 km (0.083 R)
• M8: 3,998,153 km (0.107 R)
• M9: 5,590,772 km (0.114 R)
• M10: 7,708,180 km (0.068 R)
• M11: 9,054,411 km (0.073 R)
• M12: 10,723,624 km (0.104 R)
• M13: 12,822,033 km (0.055 R)
• M14: 13,336,501 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 10.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.12 AU - 3.46 AU

Year: 3161 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,568,913 km

• M1: 131,347 km (0.082 R)
• M2: 886,667 km (0.102 R)
• M3: 1,428,660 km (0.115 R)
• M4: 3,551,005 km (0.104 R)
• M5: 5,623,384 km (0.061 R)
• M6: 6,016,677 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 13.8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.21 AU - 3.49 AU

Year: 3263 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,568,913 km

• M1: 198,965 km (0.119 R)
• M2: 1,620,145 km (0.102 R)
• M3: 2,707,871 km (0.115 R)
• M4: 5,811,279 km (0.101 R)
• M5: 7,800,332 km (0.09 R)
• M6: 8,460,059 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.4

Radius: 9.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.86 AU - 5.4 AU

Year: 7881 Days

Day: 9.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,568,913 km

• M1: 114,293 km (0.117 R)
• M2: 555,906 km (0.106 R)
• M3: 1,292,376 km (0.057 R)
• M4: 2,823,061 km (0.116 R)
• M5: 3,161,452 km (0.097 R)
• M6: 3,741,892 km (0.095 R)
• M7: 4,057,992 km (0.118 R)
• M8: 4,465,646 km (0.034 R)
• M9: 4,874,347 km (0.119 R)
• M10: 5,591,520 km (0.105 R)
• M11: 6,829,891 km (0.104 R)
• M12: 7,478,398 km (0.079 R)
• M13: 11,729,371 km (0.069 R)
• M14: 15,975,706 km (0.086 R)
• M15: 20,656,324 km (0.099 R)
• M16: 26,505,601 km (0.096 R)
• M17: 28,102,259 km (0.071 R)
• M18: 29,495,614 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 6.8

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.55 AU - 6.91 AU

Year: 10547 Days

Day: 21.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,568,913 km

• M1: 85,570 km (0.078 R)
• M2: 371,751 km (0.031 R)
• M3: 1,118,842 km (0.093 R)
• M4: 1,517,222 km (0.087 R)
• M5: 2,997,493 km (0.114 R)
• M6: 3,225,031 km (0.115 R)
• M7: 3,562,972 km (0.037 R)
• M8: 3,977,807 km (0.057 R)
• M9: 5,286,190 km (0.103 R)
• M10: 6,781,271 km (0.113 R)
• M11: 7,255,646 km (0.049 R)
• M12: 8,138,872 km (0.093 R)
• M13: 9,138,784 km (0.109 R)
• M14: 9,866,129 km (0.112 R)
• M15: 10,320,608 km (0.049 R)
• M16: 11,545,515 km (0.095 R)
• M17: 12,394,782 km (0.113 R)
• M18: 13,043,588 km (0.049 R)
• M19: 13,714,834 km (0.096 R)
• M20: 13,964,512 km (0.11 R)
• M21: 14,602,099 km (0.116 R)
• M22: 14,928,072 km (0.11 R)
• M23: 15,662,448 km (0.085 R)
• M24: 16,280,886 km (0.081 R)
• M25: 21,157,028 km (0.109 R)
• M26: 23,035,379 km (0.097 R)
• M27: 23,655,612 km (0.047 R)
• M28: 23,924,888 km (0.09 R)
• M29: 24,929,438 km (0.101 R)
• M30: 26,152,700 km (0.11 R)
• M31: 27,911,672 km (0.08 R)
• M32: 43,821,555 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.6

Radius: 3

Gravity: 75.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.83 AU - 6.91 AU

Year: 12213 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,568,913 km

• M1: 37,399 km (0.041 R)
• M2: 131,497 km (0.114 R)
• M3: 300,542 km (0.115 R)
• M4: 441,613 km (0.111 R)
• M5: 763,248 km (0.063 R)
• M6: 889,359 km (0.115 R)
• M7: 995,723 km (0.114 R)
• M8: 1,098,796 km (0.12 R)
• M9: 1,451,548 km (0.118 R)
• M10: 1,774,380 km (0.093 R)
• M11: 1,909,318 km (0.092 R)
• M12: 2,276,580 km (0.06 R)
• M13: 3,149,185 km (0.082 R)
• M14: 3,659,912 km (0.045 R)
• M15: 3,963,147 km (0.077 R)
• M16: 8,340,979 km (0.076 R)
• M17: 8,434,627 km (0.11 R)
• M18: 9,110,062 km (0.03 R)
• M19: 11,408,633 km (0.1 R)
• M20: 13,868,471 km (0.095 R)
• M21: 17,108,312 km (0.1 R)
• M22: 19,472,407 km (0.029 R)
• M23: 20,990,526 km (0.087 R)
• M24: 25,519,302 km (0.06 R)
• M25: 28,590,397 km (0.115 R)
• M26: 36,694,563 km (0.111 R)
• M27: 41,948,889 km (0.114 R)
• M28: 43,336,708 km (0.071 R)
• M29: 48,434,255 km (0.028 R)
• M30: 49,193,614 km (0.106 R)
• M31: 54,405,454 km (0.108 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: 192 - 19,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit