🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.9 AU - 1 AU

Year: 338 Days

Day: 38.2 Hours

Environment

Temp: 35 °C

Axial Tilt: 94 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 104,979,606 km

• M1: 31,116 km (0.067 R)
• M2: 414,386 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.07 AU - 1.33 AU

Year: 480 Days

Day: 19.8 Hours

Environment

Temp: -9 °C

Axial Tilt: 40 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 104,979,606 km

• M1: 65,075 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.45 AU - 2.33 AU

Year: 949 Days

Day: 35.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 12.3

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.05 AU - 11.39 AU

Year: 10226 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 104,979,606 km

• M1: 153,039 km (0.056 R)
• M2: 1,368,372 km (0.1 R)
• M3: 1,872,068 km (0.046 R)
• M4: 3,106,101 km (0.082 R)
• M5: 4,476,267 km (0.076 R)
• M6: 4,972,484 km (0.089 R)
• M7: 5,408,412 km (0.085 R)
• M8: 5,869,921 km (0.089 R)
• M9: 6,574,976 km (0.116 R)
• M10: 7,257,142 km (0.11 R)
• M11: 10,874,718 km (0.105 R)
• M12: 11,666,689 km (0.112 R)
• M13: 14,089,576 km (0.09 R)
• M14: 15,095,173 km (0.09 R)
• M15: 16,555,099 km (0.098 R)
• M16: 20,220,546 km (0.056 R)
• M17: 22,493,386 km (0.056 R)
• M18: 23,778,582 km (0.084 R)
• M19: 24,483,786 km (0.04 R)
• M20: 25,476,069 km (0.097 R)
• M21: 26,121,434 km (0.079 R)
• M22: 29,011,515 km (0.105 R)
• M23: 29,715,373 km (0.099 R)
• M24: 35,191,702 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 13.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.47 AU - 12.31 AU

Year: 11360 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 104,979,606 km

• M1: 167,101 km (0.072 R)
• M2: 685,009 km (0.119 R)
• M3: 1,255,575 km (0.089 R)
• M4: 1,979,180 km (0.087 R)
• M5: 2,808,550 km (0.108 R)
• M6: 3,431,027 km (0.104 R)
• M7: 4,057,094 km (0.082 R)
• M8: 5,121,932 km (0.073 R)
• M9: 6,132,017 km (0.082 R)
• M10: 6,848,890 km (0.055 R)
• M11: 8,498,206 km (0.112 R)
• M12: 9,237,369 km (0.102 R)
• M13: 9,753,632 km (0.11 R)
• M14: 11,655,021 km (0.097 R)
• M15: 14,675,102 km (0.104 R)
• M16: 16,106,006 km (0.116 R)
• M17: 18,913,060 km (0.057 R)
• M18: 25,882,376 km (0.115 R)
• M19: 27,119,850 km (0.116 R)
• M20: 29,712,680 km (0.085 R)
• M21: 33,180,957 km (0.047 R)
• M22: 36,016,435 km (0.111 R)
• M23: 39,681,733 km (0.116 R)
• M24: 42,024,585 km (0.119 R)
• M25: 42,730,837 km (0.098 R)
• M26: 50,871,055 km (0.103 R)
• M27: 55,472,985 km (0.096 R)
• M28: 57,009,205 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.3

Radius: 7.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 9.87 AU - 15.35 AU

Year: 16355 Days

Day: 15.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 104,979,606 km

• M1: 96,042 km (0.107 R)
• M2: 738,565 km (0.096 R)
• M3: 1,129,913 km (0.03 R)
• M4: 1,463,366 km (0.092 R)
• M5: 1,795,174 km (0.111 R)
• M6: 2,221,977 km (0.116 R)
• M7: 5,499,667 km (0.109 R)
• M8: 6,591,881 km (0.052 R)
• M9: 12,872,897 km (0.068 R)
• M10: 13,594,108 km (0.119 R)
• M11: 14,287,494 km (0.077 R)
• M12: 15,803,070 km (0.077 R)
• M13: 17,299,049 km (0.092 R)
• M14: 18,113,161 km (0.096 R)
• M15: 18,821,806 km (0.073 R)
• M16: 20,157,415 km (0.04 R)
• M17: 21,626,616 km (0.099 R)
• M18: 22,497,425 km (0.068 R)
• M19: 23,391,422 km (0.119 R)
• M20: 27,456,744 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.6

Radius: 5.2

Gravity: 20.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 13.58 AU - 15.88 AU

Year: 20649 Days

Day: 21.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 104,979,606 km

• M1: 64,776 km (0.033 R)
• M2: 485,295 km (0.113 R)
• M3: 695,032 km (0.096 R)
• M4: 1,177,934 km (0.051 R)
• M5: 2,254,889 km (0.037 R)
• M6: 2,563,210 km (0.102 R)
• M7: 3,051,797 km (0.061 R)
• M8: 3,457,356 km (0.091 R)
• M9: 5,181,771 km (0.052 R)
• M10: 6,207,713 km (0.119 R)
• M11: 6,548,946 km (0.065 R)
• M12: 7,551,850 km (0.08 R)
• M13: 8,705,848 km (0.103 R)
• M14: 10,088,132 km (0.1 R)
• M15: 11,546,861 km (0.072 R)
• M16: 13,846,181 km (0.064 R)
• M17: 14,875,713 km (0.084 R)
• M18: 16,193,222 km (0.03 R)
• M19: 17,925,714 km (0.05 R)
• M20: 18,269,191 km (0.106 R)
• M21: 22,441,326 km (0.05 R)
• M22: 23,549,846 km (0.032 R)
• M23: 25,875,644 km (0.095 R)
• M24: 26,094,357 km (0.116 R)
• M25: 27,432,809 km (0.11 R)
• M26: 31,846,844 km (0.049 R)
• M27: 32,350,540 km (0.046 R)
• M28: 34,949,653 km (0.104 R)
• M29: 43,730,300 km (0.117 R)
• M30: 44,352,627 km (0.091 R)
• M31: 49,713,766 km (0.104 R)
• M32: 53,518,040 km (0.066 R)
• M33: 55,128,611 km (0.071 R)
• M34: 59,581,092 km (0.115 R)
• M35: 60,923,583 km (0.102 R)
• M36: 65,273,740 km (0.101 R)
• M37: 66,290,556 km (0.066 R)
• M38: 71,533,064 km (0.077 R)
• M39: 71,964,056 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.4

Radius: 6.8

Gravity: 17.61 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 14.89 AU - 22.67 AU

Year: 29726 Days

Day: 16.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 104,979,606 km

• M1: 88,263 km (0.085 R)
• M2: 360,232 km (0.061 R)
• M3: 1,001,558 km (0.054 R)
• M4: 3,457,656 km (0.106 R)
• M5: 15,967,778 km (0.079 R)
• M6: 19,922,248 km (0.054 R)
• M7: 21,409,400 km (0.059 R)
• M8: 29,292,011 km (0.104 R)
• M9: 30,654,548 km (0.12 R)
• M10: 43,283,601 km (0.093 R)
• M11: 44,337,219 km (0.096 R)
• M12: 49,671,579 km (0.081 R)
• M13: 57,920,406 km (0.118 R)
• M14: 58,770,870 km (0.072 R)
• M15: 59,629,711 km (0.101 R)
• M16: 64,276,072 km (0.107 R)
• M17: 65,877,068 km (0.096 R)
• M18: 67,270,273 km (0.12 R)
• M19: 79,652,788 km (0.119 R)
• M20: 82,566,805 km (0.109 R)
• M21: 94,346,590 km (0.119 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: 221 - 19,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit