🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 11.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.88 AU

Year: 445 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,403,963 km

• M1: 143,016 km (0.072 R)
• M2: 596,596 km (0.114 R)
• M3: 1,234,033 km (0.113 R)
• M4: 1,946,867 km (0.097 R)
• M5: 2,485,718 km (0.037 R)
• M6: 3,099,219 km (0.062 R)
• M7: 3,473,962 km (0.094 R)
• M8: 4,044,229 km (0.1 R)
• M9: 4,816,453 km (0.081 R)
• M10: 6,193,352 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 14.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.83 AU - 1.09 AU

Year: 607 Days

Day: 10.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,403,963 km

• M1: 176,226 km (0.11 R)
• M2: 623,374 km (0.096 R)
• M3: 1,424,172 km (0.101 R)
• M4: 1,927,868 km (0.076 R)
• M5: 2,511,898 km (0.113 R)
• M6: 3,344,111 km (0.119 R)
• M7: 4,267,130 km (0.075 R)
• M8: 4,712,034 km (0.085 R)
• M9: 5,188,054 km (0.114 R)
• M10: 6,579,165 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 12.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.06 AU - 1.12 AU

Year: 735 Days

Day: 10.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,403,963 km

• M1: 160,369 km (0.092 R)
• M2: 578,495 km (0.109 R)
• M3: 1,114,953 km (0.077 R)
• M4: 1,593,666 km (0.106 R)
• M5: 2,000,273 km (0.059 R)
• M6: 2,477,341 km (0.071 R)
• M7: 3,175,065 km (0.082 R)
• M8: 3,858,279 km (0.107 R)
• M9: 5,830,876 km (0.05 R)
• M10: 6,251,695 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.4

Radius: 12.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.23 AU - 2.27 AU

Year: 2179 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,403,963 km

• M1: 160,818 km (0.051 R)
• M2: 612,603 km (0.073 R)
• M3: 1,429,707 km (0.116 R)
• M4: 1,839,755 km (0.106 R)
• M5: 2,427,824 km (0.12 R)
• M6: 3,065,111 km (0.081 R)
• M7: 4,056,945 km (0.107 R)
• M8: 4,579,191 km (0.079 R)
• M9: 5,273,475 km (0.092 R)
• M10: 5,990,198 km (0.098 R)
• M11: 7,618,272 km (0.052 R)
• M12: 8,125,259 km (0.114 R)
• M13: 9,082,386 km (0.085 R)
• M14: 10,553,980 km (0.098 R)
• M15: 11,149,380 km (0.073 R)
• M16: 12,216,910 km (0.074 R)
• M17: 13,351,311 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 14.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.19 AU - 2.37 AU

Year: 2223 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,403,963 km

• M1: 175,329 km (0.105 R)
• M2: 626,665 km (0.115 R)
• M3: 1,139,936 km (0.108 R)
• M4: 1,693,298 km (0.088 R)
• M5: 2,466,270 km (0.045 R)
• M6: 3,147,988 km (0.11 R)
• M7: 4,826,775 km (0.052 R)
• M8: 5,800,657 km (0.105 R)
• M9: 6,681,938 km (0.098 R)
• M10: 7,952,922 km (0.03 R)
• M11: 10,556,972 km (0.042 R)
• M12: 11,911,132 km (0.106 R)
• M13: 13,421,921 km (0.101 R)
• M14: 14,775,632 km (0.043 R)
• M15: 15,389,731 km (0.03 R)
• M16: 16,568,413 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 12.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.95 AU - 3.19 AU

Year: 3473 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,403,963 km

• M1: 154,385 km (0.045 R)
• M2: 643,121 km (0.091 R)
• M3: 1,123,779 km (0.083 R)
• M4: 1,518,867 km (0.119 R)
• M5: 2,167,972 km (0.1 R)
• M6: 4,550,767 km (0.045 R)
• M7: 5,000,309 km (0.026 R)
• M8: 6,100,751 km (0.077 R)
• M9: 8,458,114 km (0.083 R)
• M10: 10,821,910 km (0.118 R)
• M11: 11,540,279 km (0.051 R)
• M12: 15,044,160 km (0.106 R)
• M13: 17,150,349 km (0.111 R)
• M14: 17,663,021 km (0.097 R)
• M15: 18,127,372 km (0.109 R)
• M16: 19,019,873 km (0.112 R)
• M17: 21,021,792 km (0.093 R)
• M18: 21,477,766 km (0.102 R)
• M19: 22,817,116 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574

Radius: 9.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.2 AU - 4.58 AU

Year: 4954 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,403,963 km

• M1: 121,922 km (0.1 R)
• M2: 659,278 km (0.074 R)
• M3: 1,294,171 km (0.104 R)
• M4: 1,724,714 km (0.119 R)
• M5: 2,770,852 km (0.098 R)
• M6: 3,311,349 km (0.109 R)
• M7: 4,455,623 km (0.106 R)
• M8: 5,091,564 km (0.097 R)
• M9: 5,815,767 km (0.067 R)
• M10: 6,387,231 km (0.086 R)
• M11: 8,820,739 km (0.077 R)
• M12: 9,412,997 km (0.106 R)
• M13: 10,329,583 km (0.101 R)
• M14: 11,627,046 km (0.112 R)
• M15: 12,098,728 km (0.062 R)
• M16: 12,485,139 km (0.04 R)
• M17: 13,798,459 km (0.07 R)
• M18: 14,434,699 km (0.109 R)
• M19: 17,237,564 km (0.119 R)
• M20: 17,851,065 km (0.104 R)
• M21: 19,383,097 km (0.093 R)
• M22: 21,630,207 km (0.094 R)
• M23: 22,999,925 km (0.025 R)
• M24: 23,894,221 km (0.062 R)
• M25: 25,200,809 km (0.105 R)
• M26: 25,514,964 km (0.066 R)
• M27: 25,831,812 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 8.6

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.63 AU - 5.55 AU

Year: 7415 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,403,963 km

• M1: 106,962 km (0.097 R)
• M2: 400,174 km (0.084 R)
• M3: 688,599 km (0.052 R)
• M4: 984,504 km (0.059 R)
• M5: 1,402,929 km (0.114 R)
• M6: 2,126,534 km (0.046 R)
• M7: 3,016,192 km (0.107 R)
• M8: 3,362,362 km (0.045 R)
• M9: 3,881,766 km (0.094 R)
• M10: 5,415,293 km (0.119 R)
• M11: 5,862,741 km (0.098 R)
• M12: 6,438,992 km (0.077 R)
• M13: 7,015,392 km (0.065 R)
• M14: 7,547,512 km (0.114 R)
• M15: 8,607,113 km (0.082 R)
• M16: 9,578,452 km (0.112 R)
• M17: 10,233,542 km (0.102 R)
• M18: 11,119,460 km (0.037 R)
• M19: 11,477,298 km (0.093 R)
• M20: 12,487,832 km (0.064 R)
• M21: 14,563,502 km (0.114 R)
• M22: 15,939,354 km (0.096 R)
• M23: 18,022,355 km (0.093 R)
• M24: 19,092,727 km (0.113 R)
• M25: 21,281,494 km (0.028 R)
• M26: 25,971,387 km (0.044 R)
• M27: 26,240,514 km (0.084 R)
• M28: 36,538,981 km (0.088 R)
• M29: 38,365,870 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.7

Radius: 7.8

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.91 AU - 6.21 AU

Year: 9632 Days

Day: 17.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,403,963 km

• M1: 96,939 km (0.103 R)
• M2: 531,820 km (0.061 R)
• M3: 1,103,284 km (0.113 R)
• M4: 1,564,495 km (0.105 R)
• M5: 3,768,520 km (0.106 R)
• M6: 6,245,262 km (0.077 R)
• M7: 7,779,089 km (0.108 R)
• M8: 8,188,389 km (0.106 R)
• M9: 9,688,108 km (0.096 R)
• M10: 10,258,674 km (0.077 R)
• M11: 19,251,750 km (0.114 R)
• M12: 23,192,607 km (0.063 R)
• M13: 23,614,173 km (0.067 R)
• M14: 23,869,387 km (0.119 R)
• M15: 25,978,717 km (0.096 R)
• M16: 26,893,209 km (0.094 R)
• M17: 27,545,905 km (0.066 R)
• M18: 31,173,055 km (0.05 R)
• M19: 33,047,516 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.6

Radius: 6.9

Gravity: 18.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.19 AU - 13.05 AU

Year: 22346 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,403,963 km

• M1: 89,011 km (0.112 R)
• M2: 609,462 km (0.097 R)
• M3: 2,045,452 km (0.113 R)
• M4: 2,399,550 km (0.077 R)
• M5: 2,616,317 km (0.093 R)
• M6: 3,230,865 km (0.12 R)
• M7: 3,557,138 km (0.106 R)
• M8: 4,669,099 km (0.088 R)
• M9: 5,284,545 km (0.103 R)
• M10: 5,996,331 km (0.102 R)
• M11: 6,961,836 km (0.063 R)
• M12: 7,763,980 km (0.081 R)
• M13: 10,604,095 km (0.098 R)
• M14: 12,432,481 km (0.067 R)
• M15: 14,147,770 km (0.118 R)
• M16: 16,701,256 km (0.106 R)
• M17: 17,140,026 km (0.113 R)
• M18: 17,767,290 km (0.079 R)
• M19: 18,040,606 km (0.112 R)
• M20: 20,330,201 km (0.096 R)
• M21: 21,236,465 km (0.109 R)
• M22: 28,472,963 km (0.08 R)
• M23: 29,991,082 km (0.066 R)
• M24: 33,187,988 km (0.057 R)
• M25: 33,464,146 km (0.078 R)
• M26: 36,019,727 km (0.053 R)
• M27: 36,604,804 km (0.105 R)
• M28: 50,767,683 km (0.113 R)
• M29: 67,079,536 km (0.113 R)
• M30: 78,713,463 km (0.112 R)
• M31: 85,262,558 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 20,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit