🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 14.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.91 AU - 0.97 AU

Year: 618 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,040,579 km

• M1: 176,525 km (0.12 R)
• M2: 629,059 km (0.069 R)
• M3: 1,188,705 km (0.113 R)
• M4: 1,672,355 km (0.1 R)
• M5: 3,047,159 km (0.043 R)
• M6: 3,729,325 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 12.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.09 AU - 1.67 AU

Year: 1100 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,040,579 km

• M1: 153,039 km (0.119 R)
• M2: 590,313 km (0.088 R)
• M3: 1,345,034 km (0.106 R)
• M4: 2,635,765 km (0.088 R)
• M5: 3,245,227 km (0.108 R)
• M6: 3,634,480 km (0.116 R)
• M7: 4,137,728 km (0.111 R)
• M8: 5,400,334 km (0.025 R)
• M9: 6,039,864 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.1

Radius: 14.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.33 AU - 1.43 AU

Year: 1100 Days

Day: 12.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,040,579 km

• M1: 184,005 km (0.067 R)
• M2: 673,190 km (0.106 R)
• M3: 1,167,761 km (0.114 R)
• M4: 1,877,603 km (0.118 R)
• M5: 2,698,895 km (0.116 R)
• M6: 3,316,884 km (0.104 R)
• M7: 4,612,850 km (0.109 R)
• M8: 5,794,374 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 12.3

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.39 AU - 1.43 AU

Year: 1136 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,040,579 km

• M1: 153,039 km (0.065 R)
• M2: 570,417 km (0.104 R)
• M3: 1,322,296 km (0.073 R)
• M4: 1,859,352 km (0.101 R)
• M5: 2,331,333 km (0.082 R)
• M6: 2,725,374 km (0.113 R)
• M7: 3,257,942 km (0.116 R)
• M8: 4,267,728 km (0.083 R)
• M9: 4,792,817 km (0.077 R)
• M10: 5,266,144 km (0.115 R)
• M11: 6,944,932 km (0.061 R)
• M12: 7,869,895 km (0.091 R)
• M13: 8,983,053 km (0.109 R)
• M14: 9,535,368 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 8.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.13 AU - 1.77 AU

Year: 1184 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,040,579 km

• M1: 103,223 km (0.115 R)
• M2: 396,883 km (0.12 R)
• M3: 736,171 km (0.087 R)
• M4: 1,030,879 km (0.066 R)
• M5: 1,625,680 km (0.08 R)
• M6: 1,944,772 km (0.113 R)
• M7: 2,907,883 km (0.055 R)
• M8: 3,210,221 km (0.093 R)
• M9: 3,546,367 km (0.12 R)
• M10: 4,003,089 km (0.111 R)
• M11: 4,745,544 km (0.114 R)
• M12: 5,133,152 km (0.058 R)
• M13: 6,658,452 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91

Radius: 11.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.38 AU - 1.84 AU

Year: 1386 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,040,579 km

• M1: 147,354 km (0.033 R)
• M2: 529,427 km (0.108 R)
• M3: 2,370,977 km (0.109 R)
• M4: 2,815,432 km (0.12 R)
• M5: 3,625,355 km (0.04 R)
• M6: 4,629,755 km (0.11 R)
• M7: 5,430,403 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 8.5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.13 AU - 2.57 AU

Year: 2443 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,040,579 km

• M1: 115,639 km (0.108 R)
• M2: 399,576 km (0.119 R)
• M3: 841,488 km (0.064 R)
• M4: 1,238,670 km (0.107 R)
• M5: 1,949,111 km (0.106 R)
• M6: 3,001,382 km (0.101 R)
• M7: 3,345,158 km (0.065 R)
• M8: 5,014,670 km (0.088 R)
• M9: 8,038,941 km (0.083 R)
• M10: 8,968,243 km (0.107 R)
• M11: 9,476,128 km (0.069 R)
• M12: 9,754,828 km (0.099 R)
• M13: 10,586,593 km (0.064 R)
• M14: 11,504,076 km (0.104 R)
• M15: 14,254,583 km (0.07 R)
• M16: 15,854,981 km (0.062 R)

Asteroid Belt

Center: 4.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.9

Radius: 3.9

Gravity: 27.8 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.19 AU - 7.75 AU

Year: 11162 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,040,579 km

• M1: 48,769 km (0.102 R)
• M2: 185,053 km (0.103 R)
• M3: 308,620 km (0.038 R)
• M4: 437,574 km (0.116 R)
• M5: 582,235 km (0.107 R)
• M6: 1,032,375 km (0.077 R)
• M7: 1,432,848 km (0.087 R)
• M8: 2,112,472 km (0.086 R)
• M9: 2,455,799 km (0.099 R)
• M10: 2,670,920 km (0.092 R)
• M11: 4,487,936 km (0.095 R)
• M12: 4,839,790 km (0.1 R)
• M13: 5,178,181 km (0.112 R)
• M14: 5,434,143 km (0.111 R)
• M15: 5,631,612 km (0.114 R)
• M16: 6,181,384 km (0.046 R)
• M17: 6,804,010 km (0.111 R)
• M18: 9,811,526 km (0.087 R)
• M19: 10,006,153 km (0.099 R)
• M20: 10,504,014 km (0.037 R)
• M21: 12,603,770 km (0.071 R)
• M22: 12,891,597 km (0.106 R)
• M23: 16,974,721 km (0.104 R)
• M24: 19,612,131 km (0.11 R)
• M25: 20,154,723 km (0.083 R)
• M26: 21,432,588 km (0.051 R)
• M27: 24,592,693 km (0.108 R)
• M28: 25,865,173 km (0.115 R)
• M29: 30,046,732 km (0.098 R)
• M30: 37,070,801 km (0.079 R)
• M31: 37,661,563 km (0.033 R)
• M32: 38,018,952 km (0.099 R)
• M33: 38,740,762 km (0.113 R)
• M34: 41,591,948 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.6

Radius: 6.7

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.05 AU - 8.37 AU

Year: 11789 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,040,579 km

• M1: 83,326 km (0.111 R)
• M2: 426,653 km (0.116 R)
• M3: 831,914 km (0.111 R)
• M4: 1,072,916 km (0.115 R)
• M5: 1,458,130 km (0.09 R)
• M6: 1,932,206 km (0.1 R)
• M7: 2,205,521 km (0.093 R)
• M8: 2,525,362 km (0.103 R)
• M9: 3,015,444 km (0.115 R)
• M10: 3,647,196 km (0.038 R)
• M11: 4,243,194 km (0.077 R)
• M12: 5,959,082 km (0.08 R)
• M13: 8,325,271 km (0.085 R)
• M14: 9,152,099 km (0.032 R)
• M15: 13,203,209 km (0.064 R)
• M16: 14,598,359 km (0.114 R)
• M17: 15,296,083 km (0.111 R)
• M18: 15,725,279 km (0.059 R)
• M19: 17,834,909 km (0.11 R)
• M20: 19,787,610 km (0.064 R)
• M21: 20,383,009 km (0.092 R)
• M22: 30,690,302 km (0.118 R)
• M23: 36,185,032 km (0.089 R)
• M24: 36,946,934 km (0.107 R)
• M25: 37,589,906 km (0.077 R)
• M26: 39,296,369 km (0.104 R)
• M27: 48,917,008 km (0.058 R)
• M28: 51,745,754 km (0.081 R)
• M29: 53,855,383 km (0.052 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: 515 - 13,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit