🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 287 Days

Day: 31.2 Hours

Environment

Temp: 97 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.19 AU - 3.35 AU

Year: 1719 Days

Day: 39.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 8.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.26 AU - 7.4 AU

Year: 7398 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 107,316,270 km

• M1: 108,608 km (0.12 R)
• M2: 395,537 km (0.111 R)
• M3: 964,158 km (0.118 R)
• M4: 2,758,136 km (0.083 R)
• M5: 3,315,538 km (0.108 R)
• M6: 5,053,266 km (0.087 R)
• M7: 5,986,009 km (0.101 R)
• M8: 6,775,587 km (0.109 R)
• M9: 7,139,858 km (0.106 R)
• M10: 9,426,910 km (0.065 R)
• M11: 10,161,136 km (0.064 R)
• M12: 11,588,150 km (0.057 R)
• M13: 13,711,842 km (0.118 R)
• M14: 14,177,540 km (0.043 R)
• M15: 15,017,981 km (0.11 R)
• M16: 18,784,705 km (0.111 R)
• M17: 19,214,650 km (0.094 R)
• M18: 21,619,136 km (0.094 R)
• M19: 23,715,002 km (0.069 R)
• M20: 24,133,129 km (0.091 R)
• M21: 25,156,528 km (0.07 R)
• M22: 25,854,701 km (0.051 R)
• M23: 27,841,211 km (0.062 R)
• M24: 36,364,101 km (0.113 R)
• M25: 37,594,992 km (0.119 R)
• M26: 38,163,464 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.4

Radius: 4.7

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 15.15 AU - 19.97 AU

Year: 27431 Days

Day: 22.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 107,316,270 km

• M1: 60,886 km (0.06 R)
• M2: 258,505 km (0.092 R)
• M3: 417,079 km (0.104 R)
• M4: 689,646 km (0.108 R)
• M5: 1,520,812 km (0.104 R)
• M6: 2,298,122 km (0.09 R)
• M7: 2,954,109 km (0.085 R)
• M8: 3,665,746 km (0.103 R)
• M9: 3,980,201 km (0.08 R)
• M10: 7,567,558 km (0.094 R)
• M11: 9,566,634 km (0.053 R)
• M12: 10,593,175 km (0.093 R)
• M13: 10,844,948 km (0.089 R)
• M14: 14,034,823 km (0.111 R)
• M15: 14,186,216 km (0.091 R)
• M16: 14,338,657 km (0.067 R)
• M17: 17,710,443 km (0.1 R)
• M18: 17,975,979 km (0.09 R)
• M19: 18,515,280 km (0.077 R)
• M20: 19,344,351 km (0.073 R)
• M21: 21,374,544 km (0.074 R)
• M22: 24,079,423 km (0.105 R)
• M23: 24,624,558 km (0.065 R)
• M24: 25,966,301 km (0.036 R)
• M25: 26,887,375 km (0.08 R)
• M26: 34,776,419 km (0.098 R)
• M27: 36,320,269 km (0.06 R)
• M28: 42,004,539 km (0.06 R)
• M29: 48,426,327 km (0.117 R)
• M30: 49,294,144 km (0.097 R)
• M31: 54,160,264 km (0.105 R)
• M32: 59,139,479 km (0.028 R)
• M33: 61,739,789 km (0.043 R)
• M34: 64,415,198 km (0.086 R)
• M35: 66,099,520 km (0.089 R)
• M36: 68,029,183 km (0.115 R)
• M37: 71,328,115 km (0.056 R)
• M38: 74,962,895 km (0.11 R)
• M39: 76,357,147 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.3

Radius: 6.1

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 16.8 AU - 21.82 AU

Year: 31632 Days

Day: 24.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 107,316,270 km

• M1: 76,445 km (0.116 R)
• M2: 363,822 km (0.12 R)
• M3: 575,353 km (0.068 R)
• M4: 959,820 km (0.096 R)
• M5: 1,156,541 km (0.063 R)
• M6: 1,539,960 km (0.118 R)
• M7: 2,355,119 km (0.093 R)
• M8: 2,637,560 km (0.054 R)
• M9: 2,971,313 km (0.108 R)
• M10: 3,964,942 km (0.109 R)
• M11: 4,833,208 km (0.109 R)
• M12: 5,641,186 km (0.095 R)
• M13: 6,486,264 km (0.11 R)
• M14: 6,685,080 km (0.106 R)
• M15: 6,990,858 km (0.081 R)
• M16: 8,250,323 km (0.049 R)
• M17: 9,087,023 km (0.095 R)
• M18: 9,336,104 km (0.119 R)
• M19: 11,138,908 km (0.06 R)
• M20: 16,041,529 km (0.081 R)
• M21: 23,941,643 km (0.087 R)
• M22: 27,534,535 km (0.1 R)
• M23: 29,662,864 km (0.12 R)
• M24: 30,349,818 km (0.03 R)
• M25: 33,944,654 km (0.106 R)
• M26: 38,946,908 km (0.111 R)
• M27: 40,103,150 km (0.062 R)
• M28: 46,966,252 km (0.05 R)
• M29: 48,464,624 km (0.113 R)
• M30: 51,951,900 km (0.075 R)
• M31: 62,509,321 km (0.096 R)
• M32: 72,412,251 km (0.044 R)
• M33: 82,498,139 km (0.08 R)
• M34: 92,603,027 km (0.106 R)
• M35: 101,009,679 km (0.065 R)
• M36: 101,939,430 km (0.068 R)
• M37: 105,397,534 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit