🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.15 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.05 AU - 4.55 AU

Year: 3273 Days

Day: 37.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 8.9

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.16 AU - 5.88 AU

Year: 4761 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,122,240 km

• M1: 110,702 km (0.076 R)
• M2: 464,053 km (0.112 R)
• M3: 1,120,189 km (0.044 R)
• M4: 1,531,433 km (0.118 R)
• M5: 1,953,898 km (0.082 R)
• M6: 2,787,756 km (0.074 R)
• M7: 3,337,379 km (0.044 R)
• M8: 3,638,370 km (0.065 R)
• M9: 4,052,008 km (0.112 R)
• M10: 4,395,335 km (0.093 R)
• M11: 4,757,960 km (0.04 R)
• M12: 5,602,739 km (0.083 R)
• M13: 6,710,661 km (0.073 R)
• M14: 8,342,026 km (0.057 R)
• M15: 10,860,506 km (0.114 R)
• M16: 11,720,096 km (0.084 R)
• M17: 12,368,602 km (0.104 R)
• M18: 13,846,480 km (0.089 R)
• M19: 16,586,215 km (0.096 R)
• M20: 17,467,646 km (0.107 R)
• M21: 19,737,494 km (0.077 R)
• M22: 21,306,926 km (0.08 R)
• M23: 23,034,931 km (0.118 R)
• M24: 25,344,273 km (0.061 R)
• M25: 26,343,587 km (0.099 R)
• M26: 30,791,131 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 14

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.37 AU - 11.21 AU

Year: 12117 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,122,240 km

• M1: 176,675 km (0.116 R)
• M2: 632,949 km (0.096 R)
• M3: 1,083,388 km (0.099 R)
• M4: 1,853,368 km (0.064 R)
• M5: 2,316,822 km (0.117 R)
• M6: 3,149,185 km (0.085 R)
• M7: 4,641,124 km (0.112 R)
• M8: 6,448,416 km (0.094 R)
• M9: 8,274,557 km (0.032 R)
• M10: 12,622,620 km (0.091 R)
• M11: 17,020,647 km (0.086 R)
• M12: 21,997,918 km (0.112 R)
• M13: 23,515,738 km (0.076 R)
• M14: 24,722,843 km (0.11 R)
• M15: 26,560,952 km (0.106 R)
• M16: 29,010,767 km (0.099 R)
• M17: 33,423,156 km (0.111 R)
• M18: 34,829,526 km (0.081 R)
• M19: 36,274,940 km (0.089 R)
• M20: 44,386,586 km (0.112 R)
• M21: 47,973,644 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 11.5

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.3 AU - 11.3 AU

Year: 13029 Days

Day: 11.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,122,240 km

• M1: 143,165 km (0.117 R)
• M2: 879,935 km (0.037 R)
• M3: 1,297,911 km (0.071 R)
• M4: 2,153,611 km (0.101 R)
• M5: 4,886,614 km (0.089 R)
• M6: 5,513,729 km (0.085 R)
• M7: 9,433,941 km (0.119 R)
• M8: 9,804,794 km (0.048 R)
• M9: 10,185,521 km (0.078 R)
• M10: 12,053,100 km (0.109 R)
• M11: 12,490,375 km (0.046 R)
• M12: 14,766,656 km (0.073 R)
• M13: 17,071,660 km (0.031 R)
• M14: 30,280,703 km (0.03 R)
• M15: 31,558,868 km (0.118 R)
• M16: 35,100,747 km (0.109 R)
• M17: 46,077,191 km (0.114 R)
• M18: 47,147,863 km (0.098 R)
• M19: 54,429,540 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.5

Radius: 6.9

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 12.6 AU - 20.14 AU

Year: 24313 Days

Day: 19.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 36,122,240 km

• M1: 87,365 km (0.097 R)
• M2: 453,132 km (0.115 R)
• M3: 814,261 km (0.052 R)
• M4: 1,080,545 km (0.049 R)
• M5: 2,630,679 km (0.074 R)
• M6: 3,080,370 km (0.098 R)
• M7: 3,580,176 km (0.083 R)
• M8: 5,164,717 km (0.115 R)
• M9: 9,759,615 km (0.116 R)
• M10: 11,365,249 km (0.091 R)
• M11: 12,770,721 km (0.092 R)
• M12: 13,139,480 km (0.111 R)
• M13: 13,744,155 km (0.114 R)
• M14: 13,975,732 km (0.109 R)
• M15: 14,525,953 km (0.063 R)
• M16: 14,927,773 km (0.116 R)
• M17: 15,753,703 km (0.116 R)
• M18: 18,043,149 km (0.112 R)
• M19: 19,752,304 km (0.029 R)
• M20: 22,728,404 km (0.09 R)
• M21: 24,379,217 km (0.119 R)
• M22: 24,718,655 km (0.105 R)
• M23: 25,061,383 km (0.075 R)
• M24: 25,407,104 km (0.101 R)
• M25: 27,063,152 km (0.099 R)
• M26: 27,427,124 km (0.109 R)
• M27: 33,009,967 km (0.099 R)
• M28: 37,025,623 km (0.06 R)
• M29: 50,268,774 km (0.103 R)
• M30: 52,118,103 km (0.057 R)
• M31: 60,795,527 km (0.085 R)
• M32: 63,960,570 km (0.089 R)
• M33: 70,846,260 km (0.083 R)
• M34: 71,537,851 km (0.102 R)
• M35: 72,466,705 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.7

Radius: 4.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 17.73 AU - 19.51 AU

Year: 29495 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,122,240 km

• M1: 96,790 km (0.077 R)
• M2: 520,601 km (0.109 R)
• M3: 1,945,072 km (0.047 R)
• M4: 2,418,848 km (0.116 R)
• M5: 4,096,887 km (0.101 R)
• M6: 4,301,388 km (0.067 R)
• M7: 7,204,633 km (0.089 R)
• M8: 7,427,534 km (0.05 R)
• M9: 9,916,843 km (0.099 R)
• M10: 10,568,641 km (0.069 R)
• M11: 11,498,392 km (0.072 R)
• M12: 11,957,358 km (0.025 R)
• M13: 14,087,931 km (0.066 R)
• M14: 14,672,410 km (0.074 R)
• M15: 18,384,980 km (0.12 R)
• M16: 19,942,892 km (0.086 R)
• M17: 23,561,814 km (0.119 R)
• M18: 27,685,480 km (0.057 R)
• M19: 28,693,919 km (0.112 R)
• M20: 31,865,842 km (0.038 R)
• M21: 32,567,456 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 13,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit