🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.43 AU - 0.69 AU

Year: 266 Days

Day: 12.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,673,231 km

• M1: 32,762 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.56 AU - 0.62 AU

Year: 288 Days

Day: 31.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 12.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.86 AU

Year: 397 Days

Day: 6.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,673,231 km

• M1: 151,842 km (0.075 R)
• M2: 631,752 km (0.085 R)
• M3: 1,310,926 km (0.119 R)
• M4: 1,926,372 km (0.085 R)
• M5: 2,310,090 km (0.117 R)
• M6: 3,140,658 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 9.1

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.8 AU - 1.3 AU

Year: 684 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,673,231 km

• M1: 113,246 km (0.081 R)
• M2: 402,269 km (0.111 R)
• M3: 752,328 km (0.095 R)
• M4: 1,127,070 km (0.12 R)
• M5: 1,418,487 km (0.09 R)
• M6: 1,761,216 km (0.072 R)
• M7: 2,670,920 km (0.105 R)
• M8: 3,039,679 km (0.034 R)
• M9: 3,795,148 km (0.104 R)
• M10: 5,296,064 km (0.119 R)
• M11: 5,976,136 km (0.094 R)
• M12: 6,267,852 km (0.116 R)
• M13: 6,733,849 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.1

Radius: 9.8

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.34 AU - 3.18 AU

Year: 2915 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,673,231 km

• M1: 121,922 km (0.099 R)
• M2: 664,514 km (0.097 R)
• M3: 1,004,550 km (0.059 R)
• M4: 1,695,692 km (0.069 R)
• M5: 2,018,674 km (0.108 R)
• M6: 2,725,524 km (0.102 R)
• M7: 3,549,957 km (0.103 R)
• M8: 4,696,476 km (0.094 R)
• M9: 5,420,230 km (0.107 R)
• M10: 6,449,314 km (0.09 R)
• M11: 7,343,161 km (0.118 R)
• M12: 8,708,840 km (0.034 R)
• M13: 9,839,052 km (0.097 R)
• M14: 11,713,663 km (0.109 R)
• M15: 12,711,929 km (0.096 R)
• M16: 15,033,240 km (0.085 R)
• M17: 15,884,003 km (0.112 R)
• M18: 16,211,323 km (0.076 R)
• M19: 18,569,284 km (0.12 R)
• M20: 19,861,660 km (0.096 R)
• M21: 20,820,732 km (0.107 R)
• M22: 21,877,492 km (0.071 R)
• M23: 22,350,969 km (0.119 R)
• M24: 23,388,430 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 8.4

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.36 AU - 5.4 AU

Year: 7934 Days

Day: 6.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,673,231 km

• M1: 104,419 km (0.05 R)
• M2: 398,978 km (0.091 R)
• M3: 859,290 km (0.088 R)
• M4: 1,218,325 km (0.1 R)
• M5: 2,192,806 km (0.105 R)
• M6: 2,517,283 km (0.08 R)
• M7: 3,064,363 km (0.082 R)
• M8: 4,123,366 km (0.106 R)
• M9: 5,635,501 km (0.086 R)
• M10: 7,133,574 km (0.082 R)
• M11: 7,687,087 km (0.109 R)
• M12: 9,014,917 km (0.088 R)
• M13: 9,948,857 km (0.085 R)
• M14: 11,049,149 km (0.085 R)
• M15: 17,296,955 km (0.119 R)
• M16: 20,173,273 km (0.047 R)
• M17: 20,879,524 km (0.108 R)
• M18: 21,521,299 km (0.114 R)
• M19: 23,182,883 km (0.104 R)
• M20: 24,572,497 km (0.073 R)
• M21: 30,177,182 km (0.06 R)
• M22: 30,688,058 km (0.057 R)
• M23: 31,308,740 km (0.099 R)
• M24: 39,059,256 km (0.088 R)
• M25: 39,666,025 km (0.11 R)
• M26: 40,898,412 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 3.2

Gravity: 54.67 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.71 AU - 12.49 AU

Year: 21943 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,673,231 km

• M1: 40,242 km (0.077 R)
• M2: 260,899 km (0.12 R)
• M3: 438,172 km (0.104 R)
• M4: 1,138,440 km (0.095 R)
• M5: 2,122,943 km (0.036 R)
• M6: 2,733,153 km (0.069 R)
• M7: 2,934,512 km (0.104 R)
• M8: 3,480,993 km (0.041 R)
• M9: 4,255,760 km (0.089 R)
• M10: 6,526,656 km (0.071 R)
• M11: 7,498,144 km (0.067 R)
• M12: 9,102,432 km (0.115 R)
• M13: 12,015,551 km (0.03 R)
• M14: 12,148,993 km (0.111 R)
• M15: 13,180,470 km (0.074 R)
• M16: 15,971,517 km (0.089 R)
• M17: 17,804,989 km (0.094 R)
• M18: 18,328,282 km (0.101 R)
• M19: 19,589,093 km (0.061 R)
• M20: 23,300,616 km (0.057 R)
• M21: 28,624,206 km (0.078 R)
• M22: 30,688,208 km (0.111 R)
• M23: 31,947,672 km (0.097 R)
• M24: 36,906,842 km (0.081 R)
• M25: 37,188,535 km (0.07 R)
• M26: 40,682,842 km (0.088 R)
• M27: 42,663,817 km (0.103 R)
• M28: 45,835,591 km (0.076 R)
• M29: 47,979,328 km (0.102 R)
• M30: 50,016,552 km (0.096 R)
• M31: 55,544,941 km (0.108 R)
• M32: 69,282,065 km (0.083 R)
• M33: 69,925,934 km (0.092 R)
• M34: 70,357,225 km (0.062 R)
• M35: 75,446,545 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 12,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit