🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 14.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.64 AU - 0.88 AU

Year: 435 Days

Day: 10.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,140,059 km

• M1: 176,675 km (0.074 R)
• M2: 856,897 km (0.06 R)
• M3: 1,473,988 km (0.025 R)
• M4: 2,525,960 km (0.084 R)
• M5: 3,217,252 km (0.097 R)
• M6: 3,938,314 km (0.064 R)
• M7: 4,438,569 km (0.117 R)
• M8: 5,092,012 km (0.114 R)
• M9: 5,687,861 km (0.103 R)
• M10: 6,274,733 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 8.6

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.26 AU - 1.82 AU

Year: 1254 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,140,059 km

• M1: 107,112 km (0.06 R)
• M2: 447,298 km (0.118 R)
• M3: 766,390 km (0.099 R)
• M4: 1,188,854 km (0.097 R)
• M5: 1,488,948 km (0.113 R)
• M6: 1,761,515 km (0.11 R)
• M7: 2,200,285 km (0.096 R)
• M8: 2,842,958 km (0.061 R)
• M9: 3,402,903 km (0.11 R)
• M10: 3,815,793 km (0.049 R)
• M11: 5,403,475 km (0.074 R)
• M12: 6,332,328 km (0.085 R)
• M13: 7,389,686 km (0.108 R)
• M14: 7,704,739 km (0.109 R)
• M15: 8,446,595 km (0.072 R)
• M16: 9,026,137 km (0.043 R)
• M17: 9,725,208 km (0.079 R)
• M18: 10,297,121 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 9.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.05 AU - 3.21 AU

Year: 2798 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,140,059 km

• M1: 113,246 km (0.104 R)
• M2: 403,166 km (0.056 R)
• M3: 703,858 km (0.111 R)
• M4: 1,170,155 km (0.062 R)
• M5: 1,601,146 km (0.059 R)
• M6: 2,368,583 km (0.071 R)
• M7: 3,945,045 km (0.102 R)
• M8: 4,337,291 km (0.116 R)
• M9: 4,633,345 km (0.046 R)
• M10: 5,200,321 km (0.106 R)
• M11: 6,807,900 km (0.057 R)
• M12: 7,825,614 km (0.108 R)
• M13: 9,390,408 km (0.032 R)
• M14: 10,057,614 km (0.092 R)
• M15: 10,971,807 km (0.089 R)
• M16: 11,337,723 km (0.08 R)
• M17: 12,563,977 km (0.107 R)
• M18: 13,291,472 km (0.103 R)
• M19: 13,581,841 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 12

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.66 AU - 2.92 AU

Year: 3057 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,140,059 km

• M1: 150,944 km (0.101 R)
• M2: 551,717 km (0.112 R)
• M3: 997,519 km (0.025 R)
• M4: 1,394,402 km (0.083 R)
• M5: 2,581,162 km (0.064 R)
• M6: 3,351,740 km (0.11 R)
• M7: 3,991,720 km (0.076 R)
• M8: 4,646,659 km (0.091 R)
• M9: 5,184,015 km (0.077 R)
• M10: 6,277,276 km (0.117 R)
• M11: 6,683,285 km (0.116 R)
• M12: 7,548,260 km (0.099 R)
• M13: 9,571,272 km (0.112 R)
• M14: 11,132,475 km (0.062 R)
• M15: 12,138,820 km (0.07 R)
• M16: 13,117,340 km (0.105 R)
• M17: 14,239,922 km (0.049 R)
• M18: 17,457,473 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.2

Radius: 4.2

Gravity: 25.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.14 AU - 7.22 AU

Year: 10078 Days

Day: 24.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,140,059 km

• M1: 52,210 km (0.079 R)
• M2: 268,079 km (0.083 R)
• M3: 438,322 km (0.036 R)
• M4: 572,810 km (0.097 R)
• M5: 881,879 km (0.111 R)
• M6: 1,047,933 km (0.1 R)
• M7: 1,318,256 km (0.114 R)
• M8: 2,095,866 km (0.091 R)
• M9: 2,394,164 km (0.079 R)
• M10: 2,780,576 km (0.044 R)
• M11: 4,778,455 km (0.107 R)
• M12: 6,912,020 km (0.108 R)
• M13: 7,812,599 km (0.11 R)
• M14: 9,374,850 km (0.079 R)
• M15: 9,986,705 km (0.063 R)
• M16: 10,524,958 km (0.101 R)
• M17: 11,289,703 km (0.087 R)
• M18: 11,499,738 km (0.05 R)
• M19: 15,352,930 km (0.098 R)
• M20: 16,671,336 km (0.119 R)
• M21: 20,371,041 km (0.059 R)
• M22: 21,314,705 km (0.046 R)
• M23: 21,474,774 km (0.109 R)
• M24: 23,288,798 km (0.12 R)
• M25: 23,629,283 km (0.062 R)
• M26: 24,233,060 km (0.092 R)
• M27: 26,014,771 km (0.088 R)
• M28: 27,501,474 km (0.064 R)
• M29: 29,043,978 km (0.093 R)
• M30: 31,464,322 km (0.111 R)
• M31: 32,089,790 km (0.113 R)
• M32: 34,454,035 km (0.095 R)
• M33: 35,565,996 km (0.115 R)
• M34: 39,767,602 km (0.106 R)
• M35: 41,114,432 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.6

Radius: 4.8

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.15 AU - 7.21 AU

Year: 11326 Days

Day: 17 Hours

Environment

Temp: -213 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,140,059 km

• M1: 59,839 km (0.08 R)
• M2: 217,814 km (0.088 R)
• M3: 732,132 km (0.074 R)
• M4: 1,163,722 km (0.092 R)
• M5: 1,807,741 km (0.095 R)
• M6: 2,293,934 km (0.089 R)
• M7: 3,520,636 km (0.12 R)
• M8: 6,026,700 km (0.113 R)
• M9: 11,793,399 km (0.098 R)
• M10: 11,953,169 km (0.071 R)
• M11: 18,003,505 km (0.076 R)
• M12: 26,090,317 km (0.088 R)
• M13: 28,124,998 km (0.102 R)
• M14: 29,473,473 km (0.052 R)
• M15: 30,163,568 km (0.108 R)
• M16: 33,562,731 km (0.069 R)
• M17: 35,965,273 km (0.111 R)
• M18: 38,014,465 km (0.118 R)
• M19: 39,541,859 km (0.054 R)
• M20: 40,140,101 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 17,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit