🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.87 AU

Year: 246 Days

Day: 15.1 Hours

Environment

Temp: 117 °C

Axial Tilt: 13.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,394,472 km

• M1: 22,888 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.08 AU - 2.84 AU

Year: 1461 Days

Day: 45.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 12.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.56 AU - 6.88 AU

Year: 5875 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,394,472 km

• M1: 154,385 km (0.116 R)
• M2: 723,605 km (0.091 R)
• M3: 1,112,260 km (0.086 R)
• M4: 2,210,009 km (0.067 R)
• M5: 2,666,432 km (0.096 R)
• M6: 3,146,791 km (0.079 R)
• M7: 3,576,586 km (0.094 R)
• M8: 4,530,572 km (0.088 R)
• M9: 5,108,767 km (0.109 R)
• M10: 6,509,751 km (0.08 R)
• M11: 7,178,304 km (0.108 R)
• M12: 7,892,036 km (0.104 R)
• M13: 9,713,839 km (0.084 R)
• M14: 11,323,811 km (0.084 R)
• M15: 12,291,859 km (0.082 R)
• M16: 12,744,991 km (0.109 R)
• M17: 15,009,603 km (0.069 R)
• M18: 16,722,200 km (0.102 R)
• M19: 17,279,152 km (0.119 R)
• M20: 22,563,548 km (0.104 R)
• M21: 24,965,341 km (0.104 R)
• M22: 25,857,244 km (0.114 R)
• M23: 30,271,877 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.5

Radius: 10.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.49 AU - 6.99 AU

Year: 5904 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,394,472 km

• M1: 137,331 km (0.068 R)
• M2: 508,334 km (0.069 R)
• M3: 1,326,933 km (0.085 R)
• M4: 1,882,988 km (0.03 R)
• M5: 5,761,912 km (0.113 R)
• M6: 9,101,684 km (0.083 R)
• M7: 9,774,276 km (0.079 R)
• M8: 10,328,387 km (0.096 R)
• M9: 12,285,576 km (0.108 R)
• M10: 13,329,320 km (0.095 R)
• M11: 13,781,255 km (0.077 R)
• M12: 14,478,381 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 12.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.74 AU - 7.78 AU

Year: 6657 Days

Day: 12.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,394,472 km

• M1: 201,359 km (0.089 R)
• M2: 676,332 km (0.094 R)
• M3: 1,170,304 km (0.101 R)
• M4: 1,935,048 km (0.109 R)
• M5: 2,742,279 km (0.069 R)
• M6: 3,131,532 km (0.042 R)
• M7: 3,716,609 km (0.083 R)
• M8: 4,121,571 km (0.097 R)
• M9: 5,309,976 km (0.118 R)
• M10: 6,509,751 km (0.03 R)
• M11: 10,431,011 km (0.058 R)
• M12: 11,096,721 km (0.059 R)
• M13: 12,566,221 km (0.078 R)
• M14: 13,210,838 km (0.084 R)
• M15: 13,820,898 km (0.057 R)
• M16: 19,541,521 km (0.094 R)
• M17: 28,278,485 km (0.092 R)
• M18: 29,386,108 km (0.113 R)
• M19: 31,786,107 km (0.084 R)
• M20: 33,084,467 km (0.098 R)
• M21: 33,593,249 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 12.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.24 AU - 10.24 AU

Year: 8959 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,394,472 km

• M1: 153,188 km (0.083 R)
• M2: 589,116 km (0.035 R)
• M3: 976,126 km (0.112 R)
• M4: 1,388,119 km (0.116 R)
• M5: 4,044,977 km (0.062 R)
• M6: 4,478,063 km (0.072 R)
• M7: 4,885,717 km (0.111 R)
• M8: 5,871,417 km (0.092 R)
• M9: 8,934,284 km (0.038 R)
• M10: 11,723,536 km (0.087 R)
• M11: 13,934,892 km (0.102 R)
• M12: 23,575,577 km (0.115 R)
• M13: 24,985,537 km (0.117 R)
• M14: 26,101,238 km (0.117 R)
• M15: 29,081,976 km (0.061 R)
• M16: 34,753,231 km (0.104 R)
• M17: 36,468,670 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.2

Radius: 5.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 11.68 AU - 12.24 AU

Year: 15666 Days

Day: 23.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,394,472 km

• M1: 80,932 km (0.086 R)
• M2: 531,521 km (0.079 R)
• M3: 759,060 km (0.108 R)
• M4: 1,459,776 km (0.035 R)
• M5: 3,162,649 km (0.087 R)
• M6: 4,268,925 km (0.104 R)
• M7: 6,336,068 km (0.11 R)
• M8: 8,001,841 km (0.094 R)
• M9: 8,241,795 km (0.034 R)
• M10: 8,451,233 km (0.099 R)
• M11: 9,027,184 km (0.115 R)
• M12: 9,437,980 km (0.094 R)
• M13: 12,214,816 km (0.107 R)
• M14: 15,334,530 km (0.11 R)
• M15: 17,532,422 km (0.084 R)
• M16: 17,937,533 km (0.086 R)
• M17: 19,129,379 km (0.043 R)
• M18: 19,620,658 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.4

Radius: 5.6

Gravity: 31.07 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 10.58 AU - 14.88 AU

Year: 17202 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,394,472 km

• M1: 69,862 km (0.045 R)
• M2: 295,755 km (0.109 R)
• M3: 745,596 km (0.108 R)
• M4: 927,208 km (0.111 R)
• M5: 1,366,876 km (0.109 R)
• M6: 1,803,702 km (0.098 R)
• M7: 2,157,351 km (0.099 R)
• M8: 2,373,221 km (0.102 R)
• M9: 2,924,938 km (0.066 R)
• M10: 3,300,428 km (0.099 R)
• M11: 3,954,769 km (0.072 R)
• M12: 4,246,036 km (0.082 R)
• M13: 5,398,987 km (0.085 R)
• M14: 7,162,896 km (0.115 R)
• M15: 16,275,800 km (0.076 R)
• M16: 18,056,014 km (0.077 R)
• M17: 18,947,767 km (0.102 R)
• M18: 19,962,190 km (0.088 R)
• M19: 30,772,581 km (0.061 R)
• M20: 33,480,303 km (0.082 R)
• M21: 35,646,779 km (0.1 R)
• M22: 40,859,517 km (0.082 R)
• M23: 42,860,239 km (0.072 R)
• M24: 51,340,194 km (0.102 R)
• M25: 54,765,237 km (0.088 R)
• M26: 56,064,495 km (0.092 R)
• M27: 57,574,386 km (0.06 R)
• M28: 60,085,386 km (0.105 R)
• M29: 65,532,095 km (0.102 R)
• M30: 66,365,954 km (0.117 R)
• M31: 70,206,281 km (0.085 R)
• M32: 71,298,794 km (0.117 R)
• M33: 73,517,630 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 15,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit