🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596

Radius: 14.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.05 AU - 1.31 AU

Year: 901 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,078,279 km

• M1: 185,950 km (0.08 R)
• M2: 947,703 km (0.041 R)
• M3: 1,952,701 km (0.115 R)
• M4: 2,536,581 km (0.104 R)
• M5: 3,132,879 km (0.085 R)
• M6: 4,363,770 km (0.12 R)
• M7: 4,851,309 km (0.117 R)
• M8: 5,917,194 km (0.104 R)
• M9: 6,820,616 km (0.068 R)
• M10: 7,766,074 km (0.086 R)
• M11: 8,537,700 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 13.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.34 AU - 1.44 AU

Year: 1152 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,078,279 km

• M1: 167,400 km (0.113 R)
• M2: 712,235 km (0.115 R)
• M3: 2,164,232 km (0.088 R)
• M4: 3,376,574 km (0.044 R)
• M5: 4,092,549 km (0.083 R)
• M6: 6,723,527 km (0.107 R)
• M7: 8,065,420 km (0.086 R)
• M8: 9,666,566 km (0.09 R)
• M9: 10,265,107 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.7

Radius: 10.3

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.46 AU - 5.68 AU

Year: 8025 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,078,279 km

• M1: 128,056 km (0.109 R)
• M2: 883,675 km (0.041 R)
• M3: 1,526,646 km (0.081 R)
• M4: 2,277,927 km (0.055 R)
• M5: 3,214,260 km (0.103 R)
• M6: 3,934,873 km (0.091 R)
• M7: 4,908,007 km (0.092 R)
• M8: 6,103,444 km (0.036 R)
• M9: 8,396,330 km (0.106 R)
• M10: 12,182,652 km (0.102 R)
• M11: 12,688,742 km (0.105 R)
• M12: 13,803,396 km (0.112 R)
• M13: 16,361,370 km (0.119 R)
• M14: 20,372,986 km (0.109 R)
• M15: 22,312,672 km (0.032 R)
• M16: 22,731,696 km (0.047 R)
• M17: 28,669,086 km (0.12 R)
• M18: 32,258,387 km (0.054 R)
• M19: 39,699,535 km (0.095 R)
• M20: 40,315,280 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.8

Radius: 3.4

Gravity: 53.53 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.73 AU - 6.09 AU

Year: 10099 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,078,279 km

• M1: 42,336 km (0.108 R)
• M2: 244,144 km (0.106 R)
• M3: 654,790 km (0.118 R)
• M4: 796,908 km (0.059 R)
• M5: 1,526,796 km (0.11 R)
• M6: 1,686,716 km (0.101 R)
• M7: 2,271,195 km (0.046 R)
• M8: 2,639,954 km (0.072 R)
• M9: 3,207,229 km (0.086 R)
• M10: 3,372,983 km (0.05 R)
• M11: 3,494,756 km (0.056 R)
• M12: 4,942,414 km (0.051 R)
• M13: 5,867,228 km (0.043 R)
• M14: 6,444,527 km (0.055 R)
• M15: 6,862,802 km (0.068 R)
• M16: 7,585,809 km (0.087 R)
• M17: 8,225,938 km (0.111 R)
• M18: 8,809,220 km (0.112 R)
• M19: 10,671,714 km (0.062 R)
• M20: 12,898,927 km (0.117 R)
• M21: 13,378,837 km (0.07 R)
• M22: 16,510,369 km (0.084 R)
• M23: 18,697,041 km (0.102 R)
• M24: 20,741,745 km (0.086 R)
• M25: 22,071,520 km (0.098 R)
• M26: 22,584,342 km (0.043 R)
• M27: 23,634,070 km (0.065 R)
• M28: 27,269,597 km (0.069 R)
• M29: 27,563,707 km (0.096 R)
• M30: 28,559,580 km (0.042 R)
• M31: 29,270,768 km (0.065 R)
• M32: 29,476,166 km (0.078 R)
• M33: 30,622,834 km (0.078 R)
• M34: 34,013,619 km (0.06 R)
• M35: 38,378,137 km (0.095 R)
• M36: 39,119,245 km (0.091 R)
• M37: 43,633,809 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.5

Radius: 6

Gravity: 18.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.98 AU - 8.42 AU

Year: 15019 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,078,279 km

• M1: 74,799 km (0.114 R)
• M2: 484,248 km (0.108 R)
• M3: 885,021 km (0.104 R)
• M4: 1,145,770 km (0.102 R)
• M5: 1,516,922 km (0.119 R)
• M6: 2,290,194 km (0.094 R)
• M7: 2,584,303 km (0.1 R)
• M8: 3,023,523 km (0.101 R)
• M9: 4,773,967 km (0.108 R)
• M10: 5,843,742 km (0.117 R)
• M11: 6,723,826 km (0.066 R)
• M12: 7,873,934 km (0.099 R)
• M13: 8,349,356 km (0.095 R)
• M14: 8,944,905 km (0.072 R)
• M15: 9,782,504 km (0.084 R)
• M16: 10,671,265 km (0.115 R)
• M17: 17,638,487 km (0.12 R)
• M18: 18,205,163 km (0.114 R)
• M19: 21,954,385 km (0.114 R)
• M20: 24,554,396 km (0.073 R)
• M21: 26,713,093 km (0.053 R)
• M22: 27,675,905 km (0.055 R)
• M23: 30,702,719 km (0.107 R)
• M24: 33,082,073 km (0.1 R)
• M25: 38,879,589 km (0.099 R)
• M26: 45,168,534 km (0.056 R)
• M27: 46,380,426 km (0.103 R)
• M28: 47,458,429 km (0.084 R)
• M29: 48,710,862 km (0.1 R)
• M30: 49,985,137 km (0.067 R)
• M31: 53,940,953 km (0.103 R)
• M32: 58,635,185 km (0.106 R)
• M33: 60,805,999 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.4

Radius: 6.7

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.53 AU - 10.81 AU

Year: 17945 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,078,279 km

• M1: 91,554 km (0.077 R)
• M2: 318,344 km (0.089 R)
• M3: 559,496 km (0.076 R)
• M4: 768,634 km (0.069 R)
• M5: 1,507,797 km (0.078 R)
• M6: 1,832,724 km (0.104 R)
• M7: 2,330,884 km (0.118 R)
• M8: 2,623,647 km (0.066 R)
• M9: 3,681,753 km (0.078 R)
• M10: 4,017,002 km (0.097 R)
• M11: 4,926,707 km (0.114 R)
• M12: 6,737,140 km (0.087 R)
• M13: 7,146,290 km (0.073 R)
• M14: 7,380,561 km (0.09 R)
• M15: 8,165,351 km (0.086 R)
• M16: 13,009,480 km (0.083 R)
• M17: 14,746,909 km (0.113 R)
• M18: 17,380,580 km (0.085 R)
• M19: 19,573,236 km (0.067 R)
• M20: 20,405,748 km (0.103 R)
• M21: 32,312,093 km (0.115 R)
• M22: 36,017,183 km (0.089 R)
• M23: 38,542,844 km (0.061 R)
• M24: 39,119,694 km (0.117 R)
• M25: 42,702,563 km (0.057 R)
• M26: 48,813,037 km (0.109 R)
• M27: 49,828,208 km (0.071 R)
• M28: 53,313,839 km (0.084 R)
• M29: 54,752,372 km (0.1 R)
• M30: 60,765,907 km (0.111 R)
• M31: 72,760,066 km (0.183 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.6

Radius: 4.2

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.05 AU - 11.55 AU

Year: 19936 Days

Day: 24.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,078,279 km

• M1: 52,210 km (0.059 R)
• M2: 452,683 km (0.074 R)
• M3: 825,481 km (0.113 R)
• M4: 1,120,189 km (0.049 R)
• M5: 1,675,047 km (0.071 R)
• M6: 2,286,155 km (0.071 R)
• M7: 2,906,537 km (0.114 R)
• M8: 4,116,185 km (0.092 R)
• M9: 4,699,916 km (0.097 R)
• M10: 5,626,974 km (0.11 R)
• M11: 8,379,874 km (0.031 R)
• M12: 9,732,837 km (0.084 R)
• M13: 20,694,173 km (0.105 R)
• M14: 23,224,022 km (0.11 R)
• M15: 36,084,353 km (0.058 R)
• M16: 41,201,946 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 11,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit