🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 9.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.91 AU - 0.91 AU

Year: 561 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,664,667 km

• M1: 115,190 km (0.095 R)
• M2: 882,179 km (0.07 R)
• M3: 1,191,547 km (0.112 R)
• M4: 1,799,363 km (0.047 R)
• M5: 2,458,940 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 12.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.2 AU - 1.52 AU

Year: 1024 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,664,667 km

• M1: 154,235 km (0.063 R)
• M2: 544,985 km (0.071 R)
• M3: 978,520 km (0.083 R)
• M4: 1,414,448 km (0.079 R)
• M5: 1,991,297 km (0.094 R)
• M6: 2,595,972 km (0.068 R)
• M7: 3,124,352 km (0.091 R)
• M8: 3,567,311 km (0.111 R)
• M9: 4,448,442 km (0.06 R)
• M10: 5,450,748 km (0.047 R)
• M11: 5,935,445 km (0.088 R)
• M12: 6,749,258 km (0.09 R)
• M13: 8,420,415 km (0.101 R)
• M14: 8,911,096 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 10.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.36 AU - 2.24 AU

Year: 1559 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,664,667 km

• M1: 128,205 km (0.072 R)
• M2: 455,077 km (0.073 R)
• M3: 891,603 km (0.094 R)
• M4: 1,213,388 km (0.057 R)
• M5: 1,669,811 km (0.057 R)
• M6: 2,193,703 km (0.116 R)
• M7: 2,678,849 km (0.116 R)
• M8: 3,354,583 km (0.028 R)
• M9: 3,849,004 km (0.069 R)
• M10: 4,652,793 km (0.083 R)
• M11: 5,064,486 km (0.105 R)
• M12: 5,826,987 km (0.11 R)
• M13: 6,189,761 km (0.11 R)
• M14: 6,519,326 km (0.053 R)
• M15: 6,985,622 km (0.09 R)
• M16: 7,474,059 km (0.07 R)
• M17: 9,411,501 km (0.092 R)
• M18: 10,299,065 km (0.111 R)
• M19: 10,696,098 km (0.088 R)
• M20: 11,069,046 km (0.097 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 10.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.15 AU - 3.03 AU

Year: 2691 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,664,667 km

• M1: 135,685 km (0.045 R)
• M2: 516,412 km (0.098 R)
• M3: 864,975 km (0.028 R)
• M4: 1,746,705 km (0.07 R)
• M5: 2,322,058 km (0.084 R)
• M6: 2,684,384 km (0.031 R)
• M7: 3,741,443 km (0.088 R)
• M8: 4,832,909 km (0.118 R)
• M9: 5,476,928 km (0.096 R)
• M10: 6,177,046 km (0.11 R)
• M11: 7,367,396 km (0.098 R)
• M12: 8,001,691 km (0.036 R)
• M13: 9,553,170 km (0.111 R)
• M14: 10,270,791 km (0.051 R)
• M15: 10,756,386 km (0.087 R)
• M16: 11,693,018 km (0.037 R)
• M17: 12,057,888 km (0.116 R)
• M18: 12,430,386 km (0.087 R)
• M19: 13,025,187 km (0.101 R)
• M20: 13,907,815 km (0.117 R)
• M21: 14,595,516 km (0.119 R)
• M22: 16,038,986 km (0.1 R)
• M23: 17,104,422 km (0.118 R)
• M24: 17,840,593 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 14.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.75 AU - 4.33 AU

Year: 4301 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,664,667 km

• M1: 177,872 km (0.05 R)
• M2: 680,521 km (0.087 R)
• M3: 1,474,137 km (0.076 R)
• M4: 1,996,084 km (0.058 R)
• M5: 2,517,134 km (0.073 R)
• M6: 3,100,715 km (0.105 R)
• M7: 3,581,074 km (0.069 R)
• M8: 4,094,045 km (0.032 R)
• M9: 5,607,227 km (0.051 R)
• M10: 7,519,687 km (0.107 R)
• M11: 9,006,390 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 10.2

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.49 AU - 5.81 AU

Year: 7546 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,664,667 km

• M1: 127,009 km (0.097 R)
• M2: 663,018 km (0.069 R)
• M3: 1,073,215 km (0.081 R)
• M4: 1,558,211 km (0.094 R)
• M5: 1,990,848 km (0.092 R)
• M6: 2,692,313 km (0.077 R)
• M7: 3,165,790 km (0.114 R)
• M8: 3,551,005 km (0.115 R)
• M9: 3,891,489 km (0.086 R)
• M10: 6,888,384 km (0.117 R)
• M11: 7,227,672 km (0.098 R)
• M12: 7,617,823 km (0.1 R)
• M13: 9,877,947 km (0.07 R)
• M14: 10,704,924 km (0.115 R)
• M15: 11,736,252 km (0.098 R)
• M16: 12,552,309 km (0.114 R)
• M17: 15,038,476 km (0.03 R)
• M18: 15,482,632 km (0.057 R)
• M19: 16,799,990 km (0.094 R)
• M20: 19,883,203 km (0.06 R)
• M21: 20,341,421 km (0.087 R)
• M22: 21,919,978 km (0.083 R)
• M23: 24,788,517 km (0.071 R)
• M24: 25,408,750 km (0.108 R)
• M25: 26,404,174 km (0.118 R)
• M26: 27,898,208 km (0.07 R)
• M27: 28,280,430 km (0.054 R)
• M28: 31,361,847 km (0.087 R)
• M29: 32,087,397 km (0.086 R)
• M30: 33,679,717 km (0.064 R)
• M31: 36,222,880 km (0.084 R)
• M32: 40,091,332 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 11.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.15 AU - 6.85 AU

Year: 8328 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,664,667 km

• M1: 147,354 km (0.072 R)
• M2: 704,008 km (0.067 R)
• M3: 1,333,815 km (0.077 R)
• M4: 1,960,630 km (0.104 R)
• M5: 2,481,829 km (0.105 R)
• M6: 3,959,706 km (0.059 R)
• M7: 4,506,636 km (0.052 R)
• M8: 6,026,999 km (0.098 R)
• M9: 6,752,549 km (0.086 R)
• M10: 8,821,786 km (0.119 R)
• M11: 9,565,138 km (0.091 R)
• M12: 10,400,343 km (0.055 R)
• M13: 11,498,242 km (0.11 R)
• M14: 12,556,796 km (0.092 R)
• M15: 14,484,963 km (0.099 R)
• M16: 16,741,947 km (0.119 R)
• M17: 17,591,662 km (0.082 R)
• M18: 22,787,944 km (0.096 R)
• M19: 27,250,299 km (0.039 R)
• M20: 31,193,849 km (0.083 R)
• M21: 33,136,228 km (0.05 R)
• M22: 34,362,182 km (0.062 R)
• M23: 35,043,451 km (0.09 R)
• M24: 37,618,928 km (0.092 R)
• M25: 38,100,334 km (0.103 R)
• M26: 41,330,750 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.4

Radius: 6.8

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8 AU - 10.68 AU

Year: 18430 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 26,664,667 km

• M1: 85,570 km (0.084 R)
• M2: 379,081 km (0.085 R)
• M3: 618,737 km (0.061 R)
• M4: 876,045 km (0.055 R)
• M5: 1,566,290 km (0.119 R)
• M6: 2,997,044 km (0.117 R)
• M7: 3,606,206 km (0.109 R)
• M8: 6,333,675 km (0.12 R)
• M9: 7,516,096 km (0.076 R)
• M10: 8,135,132 km (0.101 R)
• M11: 10,082,896 km (0.109 R)
• M12: 15,167,878 km (0.104 R)
• M13: 16,232,267 km (0.085 R)
• M14: 18,339,502 km (0.092 R)
• M15: 19,109,482 km (0.067 R)
• M16: 20,169,533 km (0.117 R)
• M17: 20,622,515 km (0.099 R)
• M18: 23,186,922 km (0.045 R)
• M19: 24,906,250 km (0.119 R)
• M20: 33,260,394 km (0.111 R)
• M21: 33,512,317 km (0.115 R)
• M22: 33,765,586 km (0.109 R)
• M23: 34,404,219 km (0.112 R)
• M24: 41,531,510 km (0.099 R)
• M25: 42,264,690 km (0.059 R)
• M26: 44,821,916 km (0.111 R)
• M27: 47,003,801 km (0.063 R)
• M28: 48,120,848 km (0.099 R)
• M29: 48,767,111 km (0.102 R)
• M30: 51,409,907 km (0.108 R)
• M31: 52,254,985 km (0.054 R)
• M32: 53,626,349 km (0.106 R)
• M33: 60,095,110 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.7

Radius: 6.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.73 AU - 11.41 AU

Year: 20633 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 158.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,664,667 km

• M1: 89,609 km (0.091 R)
• M2: 875,148 km (0.098 R)
• M3: 2,167,374 km (0.051 R)
• M4: 2,843,108 km (0.103 R)
• M5: 3,973,918 km (0.103 R)
• M6: 4,409,996 km (0.088 R)
• M7: 4,826,925 km (0.069 R)
• M8: 5,216,179 km (0.051 R)
• M9: 6,028,196 km (0.113 R)
• M10: 8,149,793 km (0.089 R)
• M11: 12,313,401 km (0.094 R)
• M12: 12,697,568 km (0.07 R)
• M13: 15,063,458 km (0.118 R)
• M14: 17,168,151 km (0.111 R)
• M15: 20,714,518 km (0.118 R)
• M16: 23,970,216 km (0.107 R)
• M17: 25,332,006 km (0.119 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: 475 - 13,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit