🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.06 AU - 1.22 AU

Year: 464 Days

Day: 14.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.13 AU - 1.43 AU

Year: 551 Days

Day: 16.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,079,284 km

• M1: 137,032 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.43 AU - 3.11 AU

Year: 1756 Days

Day: 13.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.89 AU - 3.27 AU

Year: 2058 Days

Day: 43.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967

Radius: 4.3

Gravity: 52.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 11.69 AU - 14.31 AU

Year: 17849 Days

Day: 18.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 104,079,284 km

• M1: 53,406 km (0.091 R)
• M2: 320,289 km (0.053 R)
• M3: 554,111 km (0.1 R)
• M4: 828,323 km (0.057 R)
• M5: 2,572,186 km (0.05 R)
• M6: 3,188,679 km (0.067 R)
• M7: 3,443,444 km (0.041 R)
• M8: 4,025,978 km (0.083 R)
• M9: 4,600,733 km (0.076 R)
• M10: 5,911,360 km (0.102 R)
• M11: 6,561,662 km (0.114 R)
• M12: 7,115,324 km (0.062 R)
• M13: 7,501,286 km (0.088 R)
• M14: 9,018,059 km (0.119 R)
• M15: 10,175,946 km (0.087 R)
• M16: 12,025,724 km (0.116 R)
• M17: 12,229,028 km (0.07 R)
• M18: 12,572,953 km (0.052 R)
• M19: 12,994,071 km (0.091 R)
• M20: 16,292,106 km (0.082 R)
• M21: 17,824,138 km (0.114 R)
• M22: 20,586,612 km (0.055 R)
• M23: 20,975,267 km (0.086 R)
• M24: 23,621,504 km (0.076 R)
• M25: 25,690,293 km (0.091 R)
• M26: 36,009,554 km (0.113 R)
• M27: 36,290,798 km (0.082 R)
• M28: 37,719,158 km (0.099 R)
• M29: 38,300,795 km (0.08 R)
• M30: 40,839,920 km (0.075 R)
• M31: 41,917,174 km (0.111 R)
• M32: 45,426,291 km (0.101 R)
• M33: 47,252,133 km (0.119 R)
• M34: 48,439,043 km (0.099 R)
• M35: 57,118,561 km (0.09 R)
• M36: 63,241,752 km (0.119 R)
• M37: 64,268,592 km (0.053 R)
• M38: 65,098,112 km (0.079 R)
• M39: 69,135,758 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.4

Radius: 5.7

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 11.36 AU - 18.72 AU

Year: 22211 Days

Day: 24.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 61.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 104,079,284 km

• M1: 81,680 km (0.089 R)
• M2: 344,225 km (0.064 R)
• M3: 527,632 km (0.097 R)
• M4: 738,415 km (0.117 R)
• M5: 1,204,412 km (0.071 R)
• M6: 2,214,048 km (0.117 R)
• M7: 2,460,137 km (0.066 R)
• M8: 2,650,575 km (0.117 R)
• M9: 3,197,954 km (0.058 R)
• M10: 3,572,846 km (0.051 R)
• M11: 3,912,583 km (0.102 R)
• M12: 4,948,997 km (0.106 R)
• M13: 5,138,088 km (0.088 R)
• M14: 6,691,064 km (0.069 R)
• M15: 8,318,838 km (0.109 R)
• M16: 8,586,619 km (0.077 R)
• M17: 9,027,035 km (0.049 R)
• M18: 10,072,873 km (0.075 R)
• M19: 10,377,155 km (0.091 R)
• M20: 11,991,466 km (0.109 R)
• M21: 15,871,736 km (0.053 R)
• M22: 17,476,023 km (0.114 R)
• M23: 20,320,477 km (0.086 R)
• M24: 21,600,137 km (0.113 R)
• M25: 22,004,351 km (0.045 R)
• M26: 22,413,800 km (0.082 R)
• M27: 23,142,192 km (0.105 R)
• M28: 28,811,503 km (0.111 R)
• M29: 31,445,472 km (0.114 R)
• M30: 33,691,984 km (0.062 R)
• M31: 44,234,295 km (0.114 R)
• M32: 47,387,669 km (0.05 R)
• M33: 51,760,714 km (0.073 R)
• M34: 56,586,292 km (0.027 R)
• M35: 59,700,022 km (0.09 R)
• M36: 64,791,137 km (0.074 R)
• M37: 65,420,794 km (0.047 R)
• M38: 70,606,156 km (0.106 R)
• M39: 74,670,132 km (0.088 R)
• M40: 80,569,374 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.9

Radius: 7.5

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 16.54 AU - 17.14 AU

Year: 26315 Days

Day: 16.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 104,079,284 km

• M1: 93,349 km (0.075 R)
• M2: 382,372 km (0.1 R)
• M3: 703,409 km (0.074 R)
• M4: 2,174,704 km (0.028 R)
• M5: 2,502,772 km (0.059 R)
• M6: 3,919,464 km (0.087 R)
• M7: 4,228,683 km (0.086 R)
• M8: 4,554,058 km (0.053 R)
• M9: 4,896,039 km (0.109 R)
• M10: 9,504,102 km (0.111 R)
• M11: 13,657,388 km (0.107 R)
• M12: 14,129,519 km (0.094 R)
• M13: 16,744,639 km (0.061 R)
• M14: 23,020,270 km (0.072 R)
• M15: 24,370,840 km (0.11 R)
• M16: 24,832,499 km (0.06 R)
• M17: 28,738,499 km (0.115 R)
• M18: 31,241,421 km (0.099 R)
• M19: 32,615,328 km (0.105 R)
• M20: 36,978,499 km (0.103 R)
• M21: 37,282,482 km (0.097 R)
• M22: 48,276,130 km (0.073 R)
• M23: 51,800,357 km (0.089 R)
• M24: 56,492,345 km (0.094 R)
• M25: 57,708,127 km (0.118 R)
• M26: 64,049,580 km (0.1 R)
• M27: 75,868,710 km (0.109 R)
• M28: 79,602,822 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918

Radius: 4.9

Gravity: 38.23 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 13.66 AU - 21.14 AU

Year: 27639 Days

Day: 16.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 104,079,284 km

• M1: 62,532 km (0.097 R)
• M2: 294,708 km (0.09 R)
• M3: 708,944 km (0.086 R)
• M4: 1,066,184 km (0.109 R)
• M5: 1,553,424 km (0.106 R)
• M6: 1,745,508 km (0.042 R)
• M7: 1,996,683 km (0.039 R)
• M8: 2,624,246 km (0.086 R)
• M9: 4,221,802 km (0.106 R)
• M10: 4,793,714 km (0.047 R)
• M11: 4,954,532 km (0.079 R)
• M12: 5,202,715 km (0.091 R)
• M13: 5,415,742 km (0.034 R)
• M14: 5,996,930 km (0.118 R)
• M15: 6,374,664 km (0.088 R)
• M16: 9,043,042 km (0.077 R)
• M17: 9,794,621 km (0.067 R)
• M18: 11,636,620 km (0.116 R)
• M19: 13,778,113 km (0.076 R)
• M20: 17,085,274 km (0.106 R)
• M21: 19,939,152 km (0.046 R)
• M22: 21,207,593 km (0.082 R)
• M23: 22,082,590 km (0.109 R)
• M24: 25,213,076 km (0.079 R)
• M25: 25,823,435 km (0.097 R)
• M26: 27,456,744 km (0.071 R)
• M27: 29,291,263 km (0.119 R)
• M28: 30,650,659 km (0.027 R)
• M29: 32,479,942 km (0.112 R)
• M30: 34,829,675 km (0.095 R)
• M31: 45,363,011 km (0.03 R)
• M32: 48,292,736 km (0.069 R)
• M33: 49,803,674 km (0.098 R)
• M34: 58,468,832 km (0.107 R)
• M35: 61,273,642 km (0.035 R)
• M36: 69,984,277 km (0.109 R)
• M37: 91,515,749 km (0.111 R)
• M38: 95,584,064 km (0.12 R)
• M39: 97,065,830 km (0.083 R)
• M40: 99,165,885 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 17,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit