🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730

Radius: 13.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.87 AU - 0.93 AU

Year: 560 Days

Day: 7.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,239,151 km

• M1: 173,234 km (0.079 R)
• M2: 644,468 km (0.118 R)
• M3: 1,089,820 km (0.052 R)
• M4: 1,676,095 km (0.058 R)
• M5: 2,156,453 km (0.12 R)
• M6: 2,676,306 km (0.113 R)
• M7: 3,135,422 km (0.037 R)
• M8: 3,687,288 km (0.063 R)
• M9: 4,244,989 km (0.079 R)
• M10: 4,874,647 km (0.081 R)
• M11: 5,426,364 km (0.108 R)
• M12: 6,458,290 km (0.108 R)
• M13: 6,980,237 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.5

Radius: 8

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.09 AU - 1.51 AU

Year: 972 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,239,151 km

• M1: 99,483 km (0.058 R)
• M2: 450,738 km (0.084 R)
• M3: 999,463 km (0.077 R)
• M4: 1,498,522 km (0.1 R)
• M5: 2,122,644 km (0.057 R)
• M6: 2,488,710 km (0.105 R)
• M7: 2,743,176 km (0.03 R)
• M8: 3,001,831 km (0.049 R)
• M9: 3,348,000 km (0.099 R)
• M10: 3,598,577 km (0.061 R)
• M11: 3,861,719 km (0.116 R)
• M12: 4,137,578 km (0.09 R)
• M13: 4,514,415 km (0.1 R)
• M14: 5,396,145 km (0.054 R)
• M15: 5,721,221 km (0.082 R)
• M16: 5,973,593 km (0.117 R)
• M17: 6,568,543 km (0.109 R)
• M18: 7,010,605 km (0.098 R)
• M19: 9,036,011 km (0.074 R)
• M20: 9,553,619 km (0.089 R)
• M21: 10,336,166 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 11.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.3 AU - 1.52 AU

Year: 1098 Days

Day: 10.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,239,151 km

• M1: 148,551 km (0.092 R)
• M2: 658,231 km (0.088 R)
• M3: 1,188,106 km (0.069 R)
• M4: 1,652,458 km (0.081 R)
• M5: 2,280,021 km (0.062 R)
• M6: 2,882,003 km (0.087 R)
• M7: 4,109,154 km (0.089 R)
• M8: 4,751,528 km (0.085 R)
• M9: 5,538,263 km (0.043 R)
• M10: 6,497,335 km (0.056 R)
• M11: 6,878,809 km (0.052 R)
• M12: 9,016,114 km (0.073 R)

Asteroid Belt

Center: 2.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 11.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.41 AU - 3.01 AU

Year: 2927 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,239,151 km

• M1: 139,276 km (0.031 R)
• M2: 1,389,914 km (0.068 R)
• M3: 1,971,550 km (0.113 R)
• M4: 2,742,578 km (0.049 R)
• M5: 3,908,693 km (0.115 R)
• M6: 5,483,660 km (0.061 R)
• M7: 6,939,696 km (0.116 R)
• M8: 9,642,780 km (0.094 R)
• M9: 10,073,621 km (0.095 R)
• M10: 10,681,737 km (0.119 R)
• M11: 11,487,022 km (0.063 R)
• M12: 11,882,409 km (0.071 R)
• M13: 12,887,258 km (0.113 R)
• M14: 13,458,722 km (0.093 R)
• M15: 18,179,582 km (0.082 R)
• M16: 21,966,503 km (0.07 R)
• M17: 23,058,866 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.6

Radius: 8.3

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.61 AU - 3.61 AU

Year: 3598 Days

Day: 13.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,239,151 km

• M1: 103,223 km (0.103 R)
• M2: 416,630 km (0.11 R)
• M3: 1,081,293 km (0.1 R)
• M4: 1,513,631 km (0.114 R)
• M5: 1,795,773 km (0.033 R)
• M6: 2,436,949 km (0.1 R)
• M7: 2,759,782 km (0.108 R)
• M8: 3,129,587 km (0.078 R)
• M9: 4,144,759 km (0.107 R)
• M10: 4,655,187 km (0.098 R)
• M11: 5,206,754 km (0.049 R)
• M12: 5,689,955 km (0.103 R)
• M13: 6,115,262 km (0.057 R)
• M14: 8,899,727 km (0.107 R)
• M15: 9,240,960 km (0.112 R)
• M16: 9,551,525 km (0.058 R)
• M17: 11,079,817 km (0.103 R)
• M18: 11,342,211 km (0.041 R)
• M19: 13,444,510 km (0.057 R)
• M20: 15,629,238 km (0.079 R)
• M21: 16,748,529 km (0.079 R)
• M22: 20,491,767 km (0.057 R)
• M23: 21,221,505 km (0.089 R)
• M24: 22,244,306 km (0.089 R)
• M25: 23,875,820 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 13.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.01 AU - 4.63 AU

Year: 4898 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,239,151 km

• M1: 162,912 km (0.041 R)
• M2: 659,876 km (0.109 R)
• M3: 1,551,031 km (0.104 R)
• M4: 2,206,419 km (0.084 R)
• M5: 5,713,292 km (0.096 R)
• M6: 7,255,048 km (0.036 R)
• M7: 8,641,970 km (0.115 R)
• M8: 9,562,296 km (0.119 R)
• M9: 12,409,443 km (0.091 R)
• M10: 14,385,630 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.7

Radius: 5.8

Gravity: 27.25 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.57 AU - 10.91 AU

Year: 16950 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,239,151 km

• M1: 83,924 km (0.097 R)
• M2: 611,406 km (0.12 R)
• M3: 915,389 km (0.101 R)
• M4: 1,230,293 km (0.106 R)
• M5: 1,436,888 km (0.114 R)
• M6: 1,701,377 km (0.116 R)
• M7: 1,998,029 km (0.101 R)
• M8: 4,873,450 km (0.073 R)
• M9: 13,892,406 km (0.092 R)
• M10: 15,874,728 km (0.1 R)
• M11: 17,352,755 km (0.119 R)
• M12: 17,693,239 km (0.089 R)
• M13: 19,738,242 km (0.119 R)
• M14: 22,939,936 km (0.118 R)
• M15: 24,397,019 km (0.117 R)
• M16: 24,610,047 km (0.117 R)
• M17: 26,136,394 km (0.109 R)
• M18: 29,136,579 km (0.104 R)
• M19: 35,673,258 km (0.034 R)
• M20: 40,534,590 km (0.093 R)
• M21: 40,833,636 km (0.096 R)
• M22: 56,233,391 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.7

Radius: 3.2

Gravity: 31.42 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.94 AU - 10.6 AU

Year: 21591 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,239,151 km

• M1: 40,840 km (0.084 R)
• M2: 150,047 km (0.073 R)
• M3: 329,415 km (0.094 R)
• M4: 552,465 km (0.094 R)
• M5: 666,608 km (0.116 R)
• M6: 1,572,573 km (0.107 R)
• M7: 2,941,842 km (0.064 R)
• M8: 3,139,611 km (0.101 R)
• M9: 3,399,163 km (0.087 R)
• M10: 4,916,384 km (0.028 R)
• M11: 5,230,540 km (0.036 R)
• M12: 11,198,747 km (0.056 R)
• M13: 11,680,303 km (0.072 R)
• M14: 12,684,703 km (0.105 R)
• M15: 17,759,810 km (0.095 R)
• M16: 21,741,956 km (0.106 R)
• M17: 23,158,947 km (0.111 R)
• M18: 31,528,948 km (0.113 R)
• M19: 32,972,867 km (0.116 R)
• M20: 38,916,091 km (0.047 R)
• M21: 40,017,580 km (0.102 R)
• M22: 43,740,772 km (0.036 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 10,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit