🌌 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: 56.6

Radius: 12.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.67 AU - 0.89 AU

Year: 467 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,993,146 km

• M1: 156,629 km (0.107 R)
• M2: 576,550 km (0.104 R)
• M3: 1,005,896 km (0.102 R)
• M4: 1,517,820 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 8.1

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.17 AU - 1.25 AU

Year: 903 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,993,146 km

• M1: 116,537 km (0.087 R)
• M2: 521,797 km (0.096 R)
• M3: 873,652 km (0.09 R)
• M4: 1,148,463 km (0.062 R)
• M5: 1,434,793 km (0.089 R)
• M6: 1,751,193 km (0.111 R)
• M7: 2,435,154 km (0.1 R)
• M8: 3,096,377 km (0.099 R)
• M9: 4,896,937 km (0.072 R)
• M10: 5,174,590 km (0.088 R)
• M11: 5,521,807 km (0.118 R)
• M12: 5,843,293 km (0.084 R)
• M13: 6,327,541 km (0.097 R)
• M14: 7,045,312 km (0.091 R)
• M15: 7,328,052 km (0.113 R)
• M16: 7,966,835 km (0.11 R)
• M17: 8,378,079 km (0.118 R)
• M18: 9,553,769 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 13.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.37 AU - 1.65 AU

Year: 1259 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,993,146 km

• M1: 170,392 km (0.099 R)
• M2: 602,281 km (0.105 R)
• M3: 1,372,560 km (0.03 R)
• M4: 1,888,224 km (0.118 R)
• M5: 2,902,647 km (0.091 R)
• M6: 3,800,534 km (0.077 R)
• M7: 4,687,051 km (0.109 R)
• M8: 5,250,287 km (0.113 R)
• M9: 5,815,019 km (0.058 R)
• M10: 6,259,175 km (0.09 R)
• M11: 6,798,326 km (0.106 R)
• M12: 7,704,290 km (0.064 R)
• M13: 8,689,392 km (0.086 R)
• M14: 10,354,566 km (0.105 R)
• M15: 11,973,963 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 10.9

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.93 AU - 3.63 AU

Year: 4029 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,993,146 km

• M1: 135,536 km (0.111 R)
• M2: 808,876 km (0.099 R)
• M3: 1,669,961 km (0.08 R)
• M4: 3,080,669 km (0.082 R)
• M5: 3,985,586 km (0.116 R)
• M6: 4,451,733 km (0.112 R)
• M7: 5,059,101 km (0.103 R)
• M8: 5,466,157 km (0.096 R)
• M9: 7,352,735 km (0.11 R)
• M10: 9,597,900 km (0.1 R)
• M11: 11,650,383 km (0.029 R)
• M12: 12,218,107 km (0.032 R)
• M13: 12,705,198 km (0.096 R)
• M14: 16,486,433 km (0.043 R)
• M15: 19,806,010 km (0.055 R)
• M16: 20,207,980 km (0.074 R)
• M17: 24,762,936 km (0.118 R)
• M18: 27,817,874 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.5

Radius: 7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.29 AU - 7.53 AU

Year: 11007 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,993,146 km

• M1: 87,216 km (0.082 R)
• M2: 353,949 km (0.109 R)
• M3: 589,565 km (0.113 R)
• M4: 933,940 km (0.089 R)
• M5: 1,248,843 km (0.034 R)
• M6: 1,853,966 km (0.096 R)
• M7: 2,566,651 km (0.119 R)
• M8: 3,560,729 km (0.112 R)
• M9: 4,008,176 km (0.107 R)
• M10: 4,335,346 km (0.113 R)
• M11: 4,653,242 km (0.086 R)
• M12: 5,015,119 km (0.103 R)
• M13: 5,425,466 km (0.077 R)
• M14: 5,763,557 km (0.115 R)
• M15: 6,549,993 km (0.054 R)
• M16: 8,095,190 km (0.115 R)
• M17: 9,122,478 km (0.065 R)
• M18: 9,823,943 km (0.081 R)
• M19: 10,233,990 km (0.1 R)
• M20: 10,560,862 km (0.119 R)
• M21: 12,510,720 km (0.087 R)
• M22: 14,222,718 km (0.029 R)
• M23: 19,851,338 km (0.117 R)
• M24: 21,707,698 km (0.116 R)
• M25: 22,954,746 km (0.105 R)
• M26: 26,020,156 km (0.096 R)
• M27: 32,446,133 km (0.041 R)
• M28: 32,747,273 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629

Radius: 6.2

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.37 AU - 9.61 AU

Year: 15318 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,993,146 km

• M1: 77,043 km (0.051 R)
• M2: 641,625 km (0.078 R)
• M3: 997,668 km (0.073 R)
• M4: 1,616,555 km (0.09 R)
• M5: 1,936,993 km (0.096 R)
• M6: 4,625,566 km (0.099 R)
• M7: 4,993,278 km (0.116 R)
• M8: 5,749,345 km (0.113 R)
• M9: 6,787,854 km (0.098 R)
• M10: 8,922,615 km (0.119 R)
• M11: 9,922,079 km (0.093 R)
• M12: 13,906,020 km (0.113 R)
• M13: 14,320,107 km (0.043 R)
• M14: 16,592,049 km (0.091 R)
• M15: 20,566,865 km (0.074 R)
• M16: 21,835,904 km (0.075 R)
• M17: 24,032,449 km (0.055 R)
• M18: 27,220,230 km (0.106 R)
• M19: 29,307,270 km (0.101 R)
• M20: 35,304,798 km (0.085 R)
• M21: 37,251,815 km (0.1 R)
• M22: 43,082,242 km (0.117 R)
• M23: 43,520,713 km (0.117 R)
• M24: 47,289,832 km (0.067 R)
• M25: 60,255,479 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.6

Radius: 4.8

Gravity: 30.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.55 AU - 12.58 AU

Year: 21642 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,993,146 km

• M1: 62,083 km (0.117 R)
• M2: 311,612 km (0.111 R)
• M3: 486,043 km (0.091 R)
• M4: 921,523 km (0.098 R)
• M5: 1,417,589 km (0.069 R)
• M6: 2,033,633 km (0.067 R)
• M7: 2,311,138 km (0.105 R)
• M8: 2,637,859 km (0.07 R)
• M9: 4,860,584 km (0.044 R)
• M10: 6,953,907 km (0.106 R)
• M11: 8,462,452 km (0.109 R)
• M12: 8,788,426 km (0.117 R)
• M13: 9,935,543 km (0.117 R)
• M14: 10,115,808 km (0.111 R)
• M15: 10,669,769 km (0.067 R)
• M16: 11,905,298 km (0.102 R)
• M17: 15,445,831 km (0.089 R)
• M18: 18,885,534 km (0.097 R)
• M19: 21,475,373 km (0.096 R)
• M20: 29,395,383 km (0.098 R)
• M21: 35,587,538 km (0.032 R)
• M22: 35,868,782 km (0.111 R)
• M23: 36,151,522 km (0.115 R)
• M24: 36,721,341 km (0.091 R)
• M25: 38,911,753 km (0.119 R)
• M26: 40,879,114 km (0.055 R)
• M27: 43,550,783 km (0.112 R)
• M28: 44,195,849 km (0.112 R)
• M29: 46,839,991 km (0.057 R)
• M30: 47,517,220 km (0.099 R)
• M31: 54,278,745 km (0.043 R)
• M32: 56,159,041 km (0.1 R)
• M33: 64,322,746 km (0.116 R)
• M34: 64,739,975 km (0.103 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: 312 - 13,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit