🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 14.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,145,166 km

• M1: 176,525 km (0.069 R)
• M2: 619,485 km (0.088 R)
• M3: 1,452,745 km (0.093 R)
• M4: 1,958,835 km (0.118 R)
• M5: 2,427,225 km (0.093 R)
• M6: 3,151,878 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.4

Radius: 14.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.87 AU - 0.93 AU

Year: 579 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,145,166 km

• M1: 176,675 km (0.072 R)
• M2: 930,050 km (0.102 R)
• M3: 1,411,606 km (0.118 R)
• M4: 2,193,853 km (0.113 R)
• M5: 3,218,897 km (0.094 R)
• M6: 3,700,902 km (0.092 R)
• M7: 4,165,403 km (0.093 R)
• M8: 4,626,913 km (0.09 R)
• M9: 5,107,421 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 11.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.03 AU - 1.31 AU

Year: 858 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,145,166 km

• M1: 142,118 km (0.11 R)
• M2: 575,353 km (0.114 R)
• M3: 1,267,543 km (0.076 R)
• M4: 1,769,743 km (0.096 R)
• M5: 2,152,414 km (0.079 R)
• M6: 2,570,391 km (0.104 R)
• M7: 3,873,687 km (0.087 R)
• M8: 4,709,939 km (0.111 R)
• M9: 5,540,956 km (0.112 R)
• M10: 5,982,868 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 13.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.3 AU - 1.36 AU

Year: 1040 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,145,166 km

• M1: 167,849 km (0.106 R)
• M2: 690,544 km (0.116 R)
• M3: 1,222,215 km (0.047 R)
• M4: 1,650,813 km (0.092 R)
• M5: 2,171,862 km (0.083 R)
• M6: 3,279,485 km (0.092 R)
• M7: 4,770,975 km (0.083 R)
• M8: 6,837,670 km (0.061 R)
• M9: 7,635,176 km (0.113 R)
• M10: 8,227,284 km (0.102 R)
• M11: 8,711,682 km (0.105 R)
• M12: 9,738,223 km (0.077 R)
• M13: 10,250,297 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 14.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.54 AU - 2.12 AU

Year: 1679 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,145,166 km

• M1: 179,368 km (0.108 R)
• M2: 939,475 km (0.118 R)
• M3: 1,736,233 km (0.065 R)
• M4: 2,251,598 km (0.082 R)
• M5: 3,352,488 km (0.077 R)
• M6: 4,010,270 km (0.089 R)
• M7: 4,534,162 km (0.111 R)
• M8: 5,566,836 km (0.067 R)
• M9: 6,599,809 km (0.111 R)
• M10: 7,661,655 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 13.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.16 AU - 4.32 AU

Year: 4906 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,145,166 km

• M1: 164,408 km (0.093 R)
• M2: 830,119 km (0.083 R)
• M3: 1,296,714 km (0.083 R)
• M4: 1,784,703 km (0.108 R)
• M5: 2,241,874 km (0.098 R)
• M6: 2,813,188 km (0.067 R)
• M7: 4,251,721 km (0.111 R)
• M8: 5,160,827 km (0.12 R)
• M9: 6,226,263 km (0.057 R)
• M10: 6,893,320 km (0.059 R)
• M11: 7,398,662 km (0.078 R)
• M12: 13,281,449 km (0.066 R)
• M13: 14,770,995 km (0.084 R)
• M14: 16,726,388 km (0.112 R)
• M15: 20,658,120 km (0.033 R)
• M16: 21,498,261 km (0.114 R)
• M17: 25,010,071 km (0.096 R)
• M18: 25,563,883 km (0.047 R)
• M19: 28,542,825 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 11.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.27 AU - 5.81 AU

Year: 7674 Days

Day: 12.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,145,166 km

• M1: 146,905 km (0.063 R)
• M2: 544,387 km (0.108 R)
• M3: 1,045,839 km (0.082 R)
• M4: 1,594,713 km (0.079 R)
• M5: 2,533,290 km (0.033 R)
• M6: 2,995,997 km (0.096 R)
• M7: 4,200,259 km (0.038 R)
• M8: 6,799,971 km (0.112 R)
• M9: 9,501,559 km (0.12 R)
• M10: 13,259,009 km (0.07 R)
• M11: 13,796,963 km (0.076 R)
• M12: 16,028,813 km (0.035 R)
• M13: 16,502,590 km (0.108 R)
• M14: 19,391,175 km (0.108 R)
• M15: 21,440,217 km (0.075 R)
• M16: 23,716,798 km (0.11 R)
• M17: 24,155,419 km (0.081 R)
• M18: 24,778,643 km (0.075 R)
• M19: 26,902,035 km (0.079 R)
• M20: 33,554,952 km (0.055 R)
• M21: 37,318,535 km (0.103 R)
• M22: 38,271,623 km (0.092 R)
• M23: 43,674,650 km (0.092 R)
• M24: 44,201,683 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 8.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.26 AU - 6 AU

Year: 7881 Days

Day: 12.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 110.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,145,166 km

• M1: 108,159 km (0.084 R)
• M2: 579,093 km (0.033 R)
• M3: 1,451,099 km (0.09 R)
• M4: 2,379,653 km (0.074 R)
• M5: 2,922,095 km (0.06 R)
• M6: 5,947,712 km (0.117 R)
• M7: 6,554,930 km (0.086 R)
• M8: 6,837,670 km (0.068 R)
• M9: 8,417,573 km (0.091 R)
• M10: 8,922,765 km (0.112 R)
• M11: 10,040,111 km (0.12 R)
• M12: 14,538,220 km (0.082 R)
• M13: 16,402,060 km (0.102 R)
• M14: 16,792,959 km (0.113 R)
• M15: 17,866,324 km (0.07 R)
• M16: 19,199,391 km (0.108 R)
• M17: 25,284,434 km (0.086 R)
• M18: 30,440,474 km (0.116 R)
• M19: 33,785,333 km (0.045 R)
• M20: 36,146,586 km (0.083 R)

Asteroid Belt

Center: 5.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.8

Radius: 6.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.46 AU - 6.96 AU

Year: 11789 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,145,166 km

• M1: 95,443 km (0.111 R)
• M2: 595,400 km (0.076 R)
• M3: 1,091,466 km (0.079 R)
• M4: 1,755,980 km (0.051 R)
• M5: 2,662,693 km (0.053 R)
• M6: 3,318,530 km (0.114 R)
• M7: 3,717,208 km (0.076 R)
• M8: 4,100,478 km (0.088 R)
• M9: 4,362,274 km (0.11 R)
• M10: 4,867,017 km (0.11 R)
• M11: 6,488,060 km (0.072 R)
• M12: 7,420,503 km (0.075 R)
• M13: 8,213,521 km (0.071 R)
• M14: 9,101,684 km (0.119 R)
• M15: 10,796,329 km (0.057 R)
• M16: 13,146,062 km (0.083 R)
• M17: 14,907,877 km (0.053 R)
• M18: 21,482,254 km (0.073 R)
• M19: 24,921,808 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 16,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit