🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.65 AU

Year: 268 Days

Day: 32.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 10.2

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.12 AU - 1.34 AU

Year: 895 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,472,372 km

• M1: 126,859 km (0.114 R)
• M2: 520,601 km (0.063 R)
• M3: 1,060,200 km (0.117 R)
• M4: 1,459,926 km (0.113 R)
• M5: 1,778,270 km (0.06 R)
• M6: 2,164,831 km (0.043 R)
• M7: 2,656,110 km (0.098 R)
• M8: 3,895,529 km (0.095 R)
• M9: 4,698,121 km (0.103 R)
• M10: 5,752,337 km (0.038 R)
• M11: 6,224,468 km (0.114 R)
• M12: 6,699,142 km (0.067 R)
• M13: 7,076,877 km (0.082 R)
• M14: 7,670,182 km (0.047 R)
• M15: 8,216,214 km (0.065 R)
• M16: 8,815,803 km (0.03 R)
• M17: 9,532,376 km (0.09 R)
• M18: 9,950,353 km (0.119 R)
• M19: 10,349,480 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 13.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.12 AU - 1.56 AU

Year: 1018 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,472,372 km

• M1: 167,400 km (0.089 R)
• M2: 642,523 km (0.12 R)
• M3: 1,087,876 km (0.098 R)
• M4: 1,802,654 km (0.093 R)
• M5: 2,584,004 km (0.107 R)
• M6: 3,391,683 km (0.09 R)
• M7: 3,918,417 km (0.03 R)
• M8: 4,587,120 km (0.099 R)
• M9: 5,449,252 km (0.053 R)
• M10: 6,550,891 km (0.115 R)
• M11: 7,131,031 km (0.071 R)
• M12: 7,544,969 km (0.038 R)
• M13: 9,743,459 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 13.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.23 AU - 1.45 AU

Year: 1018 Days

Day: 7.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,472,372 km

• M1: 166,802 km (0.119 R)
• M2: 856,897 km (0.111 R)
• M3: 1,567,935 km (0.106 R)
• M4: 1,985,912 km (0.101 R)
• M5: 2,457,444 km (0.027 R)
• M6: 3,107,447 km (0.077 R)
• M7: 3,764,331 km (0.057 R)
• M8: 5,151,103 km (0.086 R)
• M9: 5,629,517 km (0.09 R)
• M10: 6,587,841 km (0.047 R)
• M11: 7,340,319 km (0.12 R)
• M12: 7,947,836 km (0.108 R)
• M13: 8,588,863 km (0.117 R)
• M14: 9,544,045 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 8.8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.75 AU - 2.45 AU

Year: 1996 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,472,372 km

• M1: 110,553 km (0.049 R)
• M2: 534,962 km (0.111 R)
• M3: 1,296,266 km (0.092 R)
• M4: 1,756,279 km (0.1 R)
• M5: 2,155,556 km (0.082 R)
• M6: 2,695,006 km (0.078 R)
• M7: 3,168,034 km (0.111 R)
• M8: 3,578,830 km (0.09 R)
• M9: 3,936,219 km (0.037 R)
• M10: 4,469,087 km (0.107 R)
• M11: 4,864,025 km (0.105 R)
• M12: 5,239,217 km (0.085 R)
• M13: 6,808,648 km (0.094 R)
• M14: 7,440,400 km (0.095 R)
• M15: 7,714,912 km (0.115 R)
• M16: 8,226,237 km (0.036 R)
• M17: 8,881,626 km (0.085 R)
• M18: 11,855,631 km (0.107 R)
• M19: 12,808,570 km (0.05 R)
• M20: 13,323,934 km (0.112 R)
• M21: 13,811,773 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 13.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.01 AU - 4.87 AU

Year: 5130 Days

Day: 5.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,472,372 km

• M1: 188,493 km (0.058 R)
• M2: 644,916 km (0.055 R)
• M3: 1,231,041 km (0.062 R)
• M4: 1,807,591 km (0.107 R)
• M5: 4,771,873 km (0.107 R)
• M6: 5,715,536 km (0.086 R)
• M7: 14,576,966 km (0.088 R)
• M8: 17,991,388 km (0.072 R)
• M9: 21,108,110 km (0.108 R)
• M10: 23,493,298 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.3

Radius: 5.9

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.89 AU - 6.77 AU

Year: 10448 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,472,372 km

• M1: 79,287 km (0.08 R)
• M2: 288,873 km (0.069 R)
• M3: 1,053,917 km (0.114 R)
• M4: 1,298,958 km (0.096 R)
• M5: 1,873,863 km (0.042 R)
• M6: 2,509,355 km (0.09 R)
• M7: 3,078,874 km (0.1 R)
• M8: 3,417,563 km (0.105 R)
• M9: 5,241,909 km (0.117 R)
• M10: 5,593,464 km (0.069 R)
• M11: 6,632,571 km (0.078 R)
• M12: 7,876,328 km (0.052 R)
• M13: 8,210,081 km (0.088 R)
• M14: 8,772,569 km (0.114 R)
• M15: 10,867,687 km (0.069 R)
• M16: 12,473,620 km (0.078 R)
• M17: 13,867,423 km (0.055 R)
• M18: 15,621,010 km (0.06 R)
• M19: 16,015,200 km (0.042 R)
• M20: 17,098,588 km (0.058 R)
• M21: 17,307,127 km (0.092 R)
• M22: 18,520,665 km (0.115 R)
• M23: 19,185,628 km (0.057 R)
• M24: 20,641,365 km (0.063 R)
• M25: 21,923,119 km (0.098 R)
• M26: 25,178,518 km (0.079 R)
• M27: 27,582,556 km (0.08 R)
• M28: 30,236,722 km (0.081 R)
• M29: 32,521,380 km (0.106 R)
• M30: 32,948,781 km (0.114 R)
• M31: 34,033,665 km (0.045 R)
• M32: 34,363,678 km (0.094 R)
• M33: 34,918,537 km (0.107 R)
• M34: 37,665,303 km (0.093 R)
• M35: 38,018,504 km (0.108 R)
• M36: 40,183,933 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597

Radius: 5.3

Gravity: 21.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.36 AU - 8.88 AU

Year: 15179 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,472,372 km

• M1: 66,421 km (0.077 R)
• M2: 493,523 km (0.071 R)
• M3: 880,234 km (0.07 R)
• M4: 1,067,530 km (0.096 R)
• M5: 2,197,443 km (0.108 R)
• M6: 2,611,680 km (0.092 R)
• M7: 2,814,385 km (0.114 R)
• M8: 3,433,122 km (0.083 R)
• M9: 4,703,058 km (0.103 R)
• M10: 4,902,173 km (0.081 R)
• M11: 5,570,426 km (0.079 R)
• M12: 5,984,064 km (0.08 R)
• M13: 6,788,153 km (0.055 R)
• M14: 7,086,002 km (0.108 R)
• M15: 7,984,936 km (0.073 R)
• M16: 11,193,960 km (0.09 R)
• M17: 11,549,704 km (0.037 R)
• M18: 12,159,315 km (0.091 R)
• M19: 13,509,137 km (0.055 R)
• M20: 13,777,066 km (0.075 R)
• M21: 14,672,410 km (0.119 R)
• M22: 15,026,957 km (0.11 R)
• M23: 18,071,722 km (0.055 R)
• M24: 23,758,685 km (0.084 R)
• M25: 24,544,074 km (0.093 R)
• M26: 25,043,581 km (0.115 R)
• M27: 27,215,892 km (0.091 R)
• M28: 36,901,756 km (0.12 R)
• M29: 40,394,866 km (0.073 R)
• M30: 43,809,288 km (0.09 R)
• M31: 44,102,200 km (0.097 R)
• M32: 49,442,246 km (0.043 R)
• M33: 49,919,014 km (0.097 R)
• M34: 53,676,913 km (0.113 R)
• M35: 56,226,659 km (0.116 R)
• M36: 56,746,063 km (0.043 R)
• M37: 56,920,045 km (0.104 R)
• M38: 59,034,162 km (0.059 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 11,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit