🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 14.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,965,263 km

• M1: 182,809 km (0.072 R)
• M2: 677,529 km (0.101 R)
• M3: 1,170,005 km (0.116 R)
• M4: 1,818,512 km (0.118 R)
• M5: 2,424,832 km (0.102 R)
• M6: 3,296,090 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 12.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.96 AU - 1.58 AU

Year: 954 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,965,263 km

• M1: 158,723 km (0.094 R)
• M2: 721,511 km (0.045 R)
• M3: 1,300,155 km (0.099 R)
• M4: 2,159,595 km (0.079 R)
• M5: 2,997,792 km (0.083 R)
• M6: 3,436,861 km (0.1 R)
• M7: 4,089,407 km (0.035 R)
• M8: 4,614,646 km (0.099 R)
• M9: 5,467,952 km (0.082 R)
• M10: 6,466,817 km (0.102 R)
• M11: 6,907,981 km (0.074 R)
• M12: 7,322,217 km (0.083 R)
• M13: 8,535,007 km (0.074 R)
• M14: 9,066,828 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 11

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.37 AU - 3.23 AU

Year: 3124 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,965,263 km

• M1: 137,331 km (0.043 R)
• M2: 579,841 km (0.104 R)
• M3: 1,247,347 km (0.114 R)
• M4: 1,647,671 km (0.026 R)
• M5: 2,048,743 km (0.097 R)
• M6: 2,432,611 km (0.101 R)
• M7: 3,556,091 km (0.084 R)
• M8: 3,941,904 km (0.113 R)
• M9: 4,562,585 km (0.086 R)
• M10: 5,224,406 km (0.1 R)
• M11: 6,205,020 km (0.091 R)
• M12: 6,933,562 km (0.089 R)
• M13: 8,658,276 km (0.085 R)
• M14: 9,814,219 km (0.114 R)
• M15: 12,223,642 km (0.096 R)
• M16: 13,021,747 km (0.04 R)
• M17: 13,587,526 km (0.06 R)
• M18: 14,861,950 km (0.068 R)
• M19: 15,335,876 km (0.052 R)
• M20: 16,818,541 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.15 AU - 3.55 AU

Year: 3208 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,965,263 km

• M1: 99,483 km (0.071 R)
• M2: 361,129 km (0.09 R)
• M3: 643,869 km (0.037 R)
• M4: 897,288 km (0.111 R)
• M5: 2,250,550 km (0.109 R)
• M6: 2,717,146 km (0.063 R)
• M7: 3,082,614 km (0.079 R)
• M8: 3,432,972 km (0.071 R)
• M9: 4,159,419 km (0.092 R)
• M10: 4,724,301 km (0.096 R)
• M11: 6,029,692 km (0.11 R)
• M12: 6,929,972 km (0.091 R)
• M13: 7,292,896 km (0.048 R)
• M14: 8,113,740 km (0.096 R)
• M15: 9,395,793 km (0.117 R)
• M16: 11,438,852 km (0.032 R)
• M17: 12,544,978 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.2

Radius: 11.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.79 AU - 4.41 AU

Year: 4555 Days

Day: 7.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,965,263 km

• M1: 141,819 km (0.117 R)
• M2: 555,457 km (0.046 R)
• M3: 990,936 km (0.085 R)
• M4: 1,797,119 km (0.037 R)
• M5: 2,189,514 km (0.106 R)
• M6: 2,656,709 km (0.073 R)
• M7: 3,369,692 km (0.12 R)
• M8: 5,713,741 km (0.091 R)
• M9: 6,868,487 km (0.118 R)
• M10: 7,448,628 km (0.093 R)
• M11: 8,552,211 km (0.069 R)
• M12: 10,990,058 km (0.077 R)
• M13: 11,453,063 km (0.113 R)
• M14: 13,331,863 km (0.078 R)
• M15: 14,399,393 km (0.118 R)
• M16: 16,523,234 km (0.119 R)
• M17: 18,135,600 km (0.093 R)
• M18: 18,782,761 km (0.07 R)
• M19: 20,468,130 km (0.102 R)
• M20: 22,547,092 km (0.083 R)
• M21: 23,983,231 km (0.1 R)
• M22: 25,964,655 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 13.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.44 AU - 4.1 AU

Year: 4881 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,965,263 km

• M1: 174,730 km (0.099 R)
• M2: 627,114 km (0.1 R)
• M3: 1,127,070 km (0.028 R)
• M4: 1,605,484 km (0.083 R)
• M5: 2,341,655 km (0.025 R)
• M6: 4,420,767 km (0.076 R)
• M7: 4,943,013 km (0.12 R)
• M8: 5,590,173 km (0.107 R)
• M9: 7,458,351 km (0.063 R)
• M10: 9,229,590 km (0.079 R)
• M11: 10,045,048 km (0.116 R)
• M12: 11,773,203 km (0.068 R)
• M13: 14,322,351 km (0.038 R)
• M14: 14,917,002 km (0.115 R)
• M15: 15,641,205 km (0.088 R)
• M16: 17,099,485 km (0.082 R)
• M17: 18,646,776 km (0.106 R)
• M18: 19,553,040 km (0.08 R)
• M19: 22,376,550 km (0.1 R)
• M20: 23,251,997 km (0.077 R)
• M21: 23,998,790 km (0.072 R)
• M22: 25,461,857 km (0.09 R)
• M23: 27,065,396 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 13

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.05 AU - 5.13 AU

Year: 6558 Days

Day: 8.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,965,263 km

• M1: 161,865 km (0.091 R)
• M2: 673,789 km (0.039 R)
• M3: 1,123,330 km (0.103 R)
• M4: 2,075,072 km (0.079 R)
• M5: 2,682,739 km (0.049 R)
• M6: 3,209,772 km (0.074 R)
• M7: 4,282,239 km (0.105 R)
• M8: 5,495,927 km (0.054 R)
• M9: 5,957,885 km (0.119 R)
• M10: 7,502,034 km (0.034 R)
• M11: 8,071,852 km (0.083 R)
• M12: 8,863,524 km (0.097 R)
• M13: 10,083,644 km (0.091 R)
• M14: 11,274,892 km (0.118 R)
• M15: 12,313,251 km (0.088 R)
• M16: 13,725,605 km (0.095 R)
• M17: 15,187,325 km (0.064 R)
• M18: 16,631,244 km (0.115 R)
• M19: 17,913,148 km (0.108 R)
• M20: 20,127,047 km (0.12 R)
• M21: 20,673,379 km (0.078 R)
• M22: 22,299,358 km (0.061 R)
• M23: 24,315,189 km (0.026 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: 524 - 20,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit