🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 9.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.52 AU - 0.64 AU

Year: 305 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,767,640 km

• M1: 114,742 km (0.09 R)
• M2: 297,101 km (0.06 R)
• M3: 469,139 km (0.079 R)
• M4: 751,131 km (0.049 R)
• M5: 1,058,405 km (0.059 R)
• M6: 1,252,882 km (0.071 R)
• M7: 1,667,567 km (0.094 R)
• M8: 1,848,431 km (0.102 R)
• M9: 2,092,575 km (0.1 R)
• M10: 2,273,439 km (0.091 R)
• M11: 2,491,702 km (0.039 R)
• M12: 2,671,369 km (0.116 R)
• M13: 3,017,688 km (0.12 R)
• M14: 3,195,859 km (0.108 R)
• M15: 3,575,090 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 11.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.05 AU - 1.55 AU

Year: 1023 Days

Day: 12.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,767,640 km

• M1: 149,448 km (0.094 R)
• M2: 375,790 km (0.114 R)
• M3: 637,586 km (0.113 R)
• M4: 937,979 km (0.117 R)
• M5: 1,380,938 km (0.075 R)
• M6: 1,615,208 km (0.098 R)
• M7: 2,081,056 km (0.114 R)
• M8: 2,400,896 km (0.088 R)
• M9: 2,620,955 km (0.067 R)
• M10: 2,883,499 km (0.056 R)
• M11: 3,319,278 km (0.085 R)
• M12: 3,950,431 km (0.111 R)
• M13: 4,652,494 km (0.051 R)
• M14: 5,207,203 km (0.095 R)
• M15: 5,747,700 km (0.069 R)
• M16: 6,299,417 km (0.116 R)
• M17: 6,860,110 km (0.11 R)
• M18: 7,253,402 km (0.062 R)
• M19: 7,693,519 km (0.115 R)
• M20: 8,594,398 km (0.104 R)
• M21: 8,899,577 km (0.118 R)
• M22: 9,626,025 km (0.108 R)
• M23: 9,928,661 km (0.037 R)
• M24: 10,339,756 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.5

Radius: 13.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.21 AU - 1.63 AU

Year: 1168 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,767,640 km

• M1: 172,636 km (0.11 R)
• M2: 530,923 km (0.099 R)
• M3: 855,999 km (0.076 R)
• M4: 2,503,371 km (0.11 R)
• M5: 3,156,515 km (0.078 R)
• M6: 3,583,168 km (0.087 R)
• M7: 4,134,885 km (0.116 R)
• M8: 4,398,327 km (0.112 R)
• M9: 5,790,934 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 14

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.22 AU - 2.7 AU

Year: 2663 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,767,640 km

• M1: 174,132 km (0.06 R)
• M2: 635,193 km (0.102 R)
• M3: 1,174,044 km (0.104 R)
• M4: 1,668,016 km (0.081 R)
• M5: 2,296,327 km (0.067 R)
• M6: 2,581,162 km (0.092 R)
• M7: 2,870,185 km (0.093 R)
• M8: 3,305,365 km (0.066 R)
• M9: 3,962,997 km (0.116 R)
• M10: 4,323,678 km (0.065 R)
• M11: 5,334,361 km (0.095 R)
• M12: 5,637,745 km (0.119 R)
• M13: 7,351,239 km (0.116 R)
• M14: 8,615,192 km (0.088 R)
• M15: 10,904,488 km (0.083 R)
• M16: 14,821,409 km (0.112 R)
• M17: 16,438,712 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 9.3

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.6 AU - 3.18 AU

Year: 3391 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,767,640 km

• M1: 125,064 km (0.113 R)
• M2: 377,884 km (0.117 R)
• M3: 1,505,403 km (0.107 R)
• M4: 1,868,178 km (0.109 R)
• M5: 2,506,064 km (0.097 R)
• M6: 2,766,813 km (0.066 R)
• M7: 3,090,842 km (0.096 R)
• M8: 3,776,449 km (0.081 R)
• M9: 4,058,889 km (0.063 R)
• M10: 4,332,205 km (0.099 R)
• M11: 4,614,496 km (0.025 R)
• M12: 5,404,821 km (0.048 R)
• M13: 6,452,156 km (0.032 R)
• M14: 7,410,181 km (0.043 R)
• M15: 8,050,011 km (0.07 R)
• M16: 9,707,256 km (0.082 R)
• M17: 10,814,879 km (0.115 R)
• M18: 13,599,194 km (0.086 R)
• M19: 14,172,902 km (0.059 R)
• M20: 17,906,865 km (0.111 R)
• M21: 18,940,437 km (0.1 R)
• M22: 19,404,340 km (0.083 R)
• M23: 19,917,012 km (0.111 R)
• M24: 21,629,608 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 11.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.81 AU - 5.77 AU

Year: 7236 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,767,640 km

• M1: 202,855 km (0.06 R)
• M2: 592,707 km (0.074 R)
• M3: 1,187,059 km (0.086 R)
• M4: 1,652,308 km (0.093 R)
• M5: 2,107,385 km (0.11 R)
• M6: 2,577,123 km (0.072 R)
• M7: 3,794,700 km (0.096 R)
• M8: 4,287,625 km (0.105 R)
• M9: 5,656,595 km (0.087 R)
• M10: 6,023,558 km (0.113 R)
• M11: 6,282,662 km (0.053 R)
• M12: 6,718,590 km (0.052 R)
• M13: 8,865,619 km (0.096 R)
• M14: 10,128,374 km (0.076 R)
• M15: 11,028,056 km (0.115 R)
• M16: 12,199,108 km (0.1 R)
• M17: 12,602,723 km (0.075 R)
• M18: 13,151,149 km (0.061 R)
• M19: 16,690,036 km (0.114 R)
• M20: 18,208,305 km (0.032 R)
• M21: 19,075,972 km (0.106 R)
• M22: 20,006,621 km (0.03 R)
• M23: 20,697,613 km (0.071 R)
• M24: 22,749,797 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.4

Radius: 4.3

Gravity: 24.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.19 AU - 10.99 AU

Year: 22123 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,767,640 km

• M1: 53,706 km (0.049 R)
• M2: 203,154 km (0.098 R)
• M3: 494,870 km (0.098 R)
• M4: 833,111 km (0.1 R)
• M5: 1,004,998 km (0.094 R)
• M6: 1,644,529 km (0.091 R)
• M7: 2,910,427 km (0.108 R)
• M8: 5,019,308 km (0.099 R)
• M9: 9,269,084 km (0.099 R)
• M10: 9,786,693 km (0.111 R)
• M11: 10,699,090 km (0.089 R)
• M12: 11,709,773 km (0.102 R)
• M13: 18,663,232 km (0.091 R)
• M14: 24,502,486 km (0.114 R)
• M15: 28,747,026 km (0.116 R)
• M16: 28,927,591 km (0.052 R)
• M17: 29,381,171 km (0.102 R)
• M18: 29,563,681 km (0.074 R)
• M19: 29,746,639 km (0.078 R)
• M20: 34,210,191 km (0.092 R)
• M21: 36,305,458 km (0.085 R)
• M22: 37,427,891 km (0.105 R)
• M23: 37,633,888 km (0.09 R)
• M24: 38,463,258 km (0.093 R)
• M25: 38,881,235 km (0.118 R)
• M26: 39,301,605 km (0.039 R)
• M27: 43,851,624 km (0.066 R)
• M28: 48,300,066 km (0.082 R)
• M29: 53,208,522 km (0.067 R)
• M30: 54,565,823 km (0.106 R)
• M31: 54,814,455 km (0.1 R)
• M32: 55,814,666 km (0.099 R)
• M33: 60,689,163 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 10,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit