🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 11.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.23 AU - 1.29 AU

Year: 943 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,524,399 km

• M1: 138,079 km (0.085 R)
• M2: 581,637 km (0.073 R)
• M3: 979,716 km (0.051 R)
• M4: 1,510,789 km (0.118 R)
• M5: 2,081,954 km (0.034 R)
• M6: 2,643,245 km (0.116 R)
• M7: 3,303,271 km (0.033 R)
• M8: 3,919,763 km (0.073 R)
• M9: 4,986,995 km (0.063 R)
• M10: 6,634,516 km (0.069 R)
• M11: 7,092,136 km (0.083 R)
• M12: 7,501,136 km (0.108 R)
• M13: 8,046,570 km (0.075 R)
• M14: 8,466,641 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.9

Radius: 13

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.71 AU - 1.91 AU

Year: 1624 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,524,399 km

• M1: 162,014 km (0.09 R)
• M2: 569,818 km (0.105 R)
• M3: 1,075,309 km (0.059 R)
• M4: 1,565,243 km (0.032 R)
• M5: 1,987,707 km (0.038 R)
• M6: 3,426,689 km (0.101 R)
• M7: 3,877,278 km (0.072 R)
• M8: 4,496,314 km (0.097 R)
• M9: 4,958,272 km (0.111 R)
• M10: 5,558,907 km (0.029 R)
• M11: 6,184,526 km (0.109 R)
• M12: 7,340,169 km (0.109 R)
• M13: 9,506,795 km (0.113 R)
• M14: 10,206,614 km (0.119 R)
• M15: 11,008,907 km (0.089 R)
• M16: 11,925,194 km (0.1 R)
• M17: 12,664,058 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 12.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.86 AU - 2.94 AU

Year: 2479 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,524,399 km

• M1: 156,928 km (0.109 R)
• M2: 701,016 km (0.098 R)
• M3: 1,517,222 km (0.07 R)
• M4: 2,090,780 km (0.04 R)
• M5: 3,090,094 km (0.099 R)
• M6: 3,772,709 km (0.064 R)
• M7: 5,178,929 km (0.106 R)
• M8: 5,709,702 km (0.114 R)
• M9: 6,656,656 km (0.099 R)
• M10: 7,493,507 km (0.118 R)
• M11: 8,078,883 km (0.113 R)
• M12: 8,861,879 km (0.086 R)
• M13: 11,237,792 km (0.045 R)
• M14: 12,047,266 km (0.091 R)
• M15: 14,521,615 km (0.066 R)
• M16: 16,433,476 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 14.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.23 AU - 3.65 AU

Year: 3362 Days

Day: 11.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,524,399 km

• M1: 184,305 km (0.086 R)
• M2: 1,201,121 km (0.09 R)
• M3: 1,678,488 km (0.071 R)
• M4: 2,341,655 km (0.099 R)
• M5: 3,635,827 km (0.12 R)
• M6: 4,097,635 km (0.104 R)
• M7: 6,271,442 km (0.105 R)
• M8: 7,308,604 km (0.051 R)
• M9: 8,949,543 km (0.11 R)
• M10: 13,557,905 km (0.046 R)
• M11: 14,830,834 km (0.105 R)
• M12: 17,955,933 km (0.106 R)
• M13: 19,550,946 km (0.071 R)
• M14: 22,019,161 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.9

Radius: 6.6

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.97 AU - 6.19 AU

Year: 9997 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 173 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,524,399 km

• M1: 110,702 km (0.111 R)
• M2: 351,405 km (0.113 R)
• M3: 819,348 km (0.07 R)
• M4: 1,525,449 km (0.111 R)
• M5: 2,377,110 km (0.084 R)
• M6: 2,896,065 km (0.107 R)
• M7: 3,441,349 km (0.106 R)
• M8: 6,607,140 km (0.102 R)
• M9: 7,124,000 km (0.07 R)
• M10: 7,949,481 km (0.073 R)
• M11: 8,406,353 km (0.114 R)
• M12: 9,695,139 km (0.076 R)
• M13: 13,052,713 km (0.099 R)
• M14: 14,588,784 km (0.047 R)
• M15: 14,959,637 km (0.079 R)
• M16: 21,542,393 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.9

Radius: 4.1

Gravity: 38.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.72 AU - 8.18 AU

Year: 13560 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,524,399 km

• M1: 51,162 km (0.091 R)
• M2: 323,580 km (0.106 R)
• M3: 546,182 km (0.12 R)
• M4: 679,773 km (0.098 R)
• M5: 1,015,171 km (0.11 R)
• M6: 1,763,161 km (0.112 R)
• M7: 2,079,111 km (0.047 R)
• M8: 3,356,378 km (0.051 R)
• M9: 5,866,929 km (0.038 R)
• M10: 6,056,171 km (0.102 R)
• M11: 7,993,164 km (0.086 R)
• M12: 10,036,521 km (0.086 R)
• M13: 10,252,840 km (0.048 R)
• M14: 11,206,825 km (0.097 R)
• M15: 12,904,761 km (0.077 R)
• M16: 14,150,014 km (0.073 R)
• M17: 14,628,278 km (0.107 R)
• M18: 15,689,376 km (0.089 R)
• M19: 17,570,120 km (0.112 R)
• M20: 17,805,438 km (0.063 R)
• M21: 17,963,413 km (0.107 R)
• M22: 18,524,106 km (0.106 R)
• M23: 22,501,165 km (0.075 R)
• M24: 23,058,417 km (0.117 R)
• M25: 24,492,014 km (0.119 R)
• M26: 28,711,721 km (0.103 R)
• M27: 35,973,351 km (0.034 R)
• M28: 38,818,254 km (0.11 R)
• M29: 44,079,162 km (0.079 R)
• M30: 44,659,004 km (0.109 R)
• M31: 44,950,869 km (0.106 R)
• M32: 46,579,092 km (0.092 R)
• M33: 52,667,875 km (0.116 R)
• M34: 52,830,488 km (0.093 R)
• M35: 53,320,720 km (0.091 R)
• M36: 53,813,944 km (0.117 R)
• M37: 55,817,359 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 16,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit