🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 10.9

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 9.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,508,700 km

• M1: 135,685 km (0.079 R)
• M2: 579,243 km (0.047 R)
• M3: 978,370 km (0.1 R)
• M4: 1,344,586 km (0.117 R)
• M5: 1,767,200 km (0.078 R)
• M6: 2,261,022 km (0.087 R)
• M7: 2,774,741 km (0.086 R)
• M8: 3,285,618 km (0.104 R)
• M9: 4,011,916 km (0.101 R)
• M10: 4,783,242 km (0.108 R)
• M11: 5,251,184 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.2

Radius: 12

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.61 AU - 0.89 AU

Year: 448 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,508,700 km

• M1: 153,936 km (0.082 R)
• M2: 721,660 km (0.115 R)
• M3: 1,314,367 km (0.104 R)
• M4: 1,886,728 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 9.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.74 AU - 0.98 AU

Year: 551 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,508,700 km

• M1: 118,182 km (0.061 R)
• M2: 488,587 km (0.092 R)
• M3: 912,697 km (0.11 R)
• M4: 1,213,987 km (0.106 R)
• M5: 1,536,969 km (0.08 R)
• M6: 1,842,896 km (0.11 R)
• M7: 2,552,140 km (0.116 R)
• M8: 3,122,856 km (0.087 R)
• M9: 3,444,641 km (0.095 R)
• M10: 4,026,427 km (0.085 R)
• M11: 4,327,717 km (0.087 R)
• M12: 4,902,472 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.6

Radius: 11.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.81 AU - 1.07 AU

Year: 629 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,508,700 km

• M1: 140,472 km (0.07 R)
• M2: 552,315 km (0.039 R)
• M3: 910,752 km (0.049 R)
• M4: 1,302,848 km (0.073 R)
• M5: 1,769,593 km (0.12 R)
• M6: 2,168,870 km (0.084 R)
• M7: 2,618,112 km (0.075 R)
• M8: 3,359,519 km (0.109 R)
• M9: 3,978,855 km (0.103 R)
• M10: 4,458,017 km (0.097 R)
• M11: 5,359,793 km (0.052 R)
• M12: 5,927,367 km (0.091 R)
• M13: 6,321,408 km (0.076 R)
• M14: 6,894,367 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.5

Radius: 11.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.26 AU - 1.6 AU

Year: 1180 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,508,700 km

• M1: 139,874 km (0.106 R)
• M2: 537,356 km (0.109 R)
• M3: 1,042,099 km (0.075 R)
• M4: 1,445,863 km (0.102 R)
• M5: 2,425,281 km (0.095 R)
• M6: 2,983,879 km (0.083 R)
• M7: 4,467,441 km (0.115 R)
• M8: 5,070,620 km (0.065 R)
• M9: 7,285,865 km (0.076 R)
• M10: 7,828,008 km (0.111 R)
• M11: 9,139,532 km (0.105 R)
• M12: 9,894,254 km (0.074 R)
• M13: 10,366,684 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 12.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.56 AU - 2.76 AU

Year: 2995 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,508,700 km

• M1: 154,235 km (0.109 R)
• M2: 799,301 km (0.084 R)
• M3: 1,345,034 km (0.056 R)
• M4: 2,014,485 km (0.036 R)
• M5: 2,829,793 km (0.12 R)
• M6: 3,533,203 km (0.079 R)
• M7: 4,000,845 km (0.109 R)
• M8: 4,720,411 km (0.093 R)
• M9: 5,604,235 km (0.117 R)
• M10: 6,015,630 km (0.11 R)
• M11: 6,992,354 km (0.079 R)
• M12: 8,597,988 km (0.086 R)
• M13: 9,602,837 km (0.113 R)
• M14: 10,396,454 km (0.043 R)
• M15: 11,712,466 km (0.108 R)
• M16: 12,572,205 km (0.098 R)
• M17: 14,468,358 km (0.118 R)
• M18: 15,834,037 km (0.089 R)
• M19: 16,716,066 km (0.109 R)
• M20: 18,458,133 km (0.025 R)
• M21: 20,575,392 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 13.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.45 AU - 3.33 AU

Year: 3391 Days

Day: 13.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,508,700 km

• M1: 172,935 km (0.104 R)
• M2: 662,120 km (0.12 R)
• M3: 1,103,583 km (0.06 R)
• M4: 1,840,951 km (0.1 R)
• M5: 2,906,387 km (0.068 R)
• M6: 3,417,713 km (0.102 R)
• M7: 4,308,568 km (0.076 R)
• M8: 4,798,501 km (0.111 R)
• M9: 5,790,036 km (0.077 R)
• M10: 7,378,765 km (0.109 R)
• M11: 9,486,300 km (0.069 R)
• M12: 10,545,902 km (0.111 R)
• M13: 11,163,442 km (0.069 R)
• M14: 11,764,227 km (0.047 R)
• M15: 12,556,198 km (0.085 R)
• M16: 15,586,303 km (0.059 R)
• M17: 16,034,199 km (0.085 R)
• M18: 16,851,751 km (0.073 R)
• M19: 17,858,695 km (0.082 R)
• M20: 18,294,473 km (0.106 R)
• M21: 18,793,233 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 10.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.29 AU - 3.75 AU

Year: 4559 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,508,700 km

• M1: 133,142 km (0.04 R)
• M2: 732,132 km (0.095 R)
• M3: 1,133,204 km (0.034 R)
• M4: 1,596,359 km (0.045 R)
• M5: 2,207,765 km (0.057 R)
• M6: 2,854,627 km (0.093 R)
• M7: 5,706,560 km (0.114 R)
• M8: 6,617,761 km (0.053 R)
• M9: 8,191,979 km (0.106 R)
• M10: 10,719,136 km (0.086 R)
• M11: 11,543,121 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.1

Radius: 7.2

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.1 AU - 7.1 AU

Year: 10399 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,508,700 km

• M1: 96,191 km (0.107 R)
• M2: 517,609 km (0.09 R)
• M3: 786,586 km (0.108 R)
• M4: 1,138,141 km (0.109 R)
• M5: 1,820,307 km (0.083 R)
• M6: 2,685,132 km (0.076 R)
• M7: 3,149,933 km (0.109 R)
• M8: 4,014,908 km (0.105 R)
• M9: 6,204,721 km (0.089 R)
• M10: 11,199,345 km (0.089 R)
• M11: 12,458,062 km (0.063 R)
• M12: 13,935,939 km (0.092 R)
• M13: 17,907,314 km (0.096 R)
• M14: 18,211,446 km (0.087 R)
• M15: 23,287,452 km (0.101 R)
• M16: 27,183,130 km (0.082 R)
• M17: 29,232,322 km (0.094 R)
• M18: 30,726,505 km (0.109 R)
• M19: 31,602,849 km (0.098 R)
• M20: 31,935,705 km (0.076 R)
• M21: 32,608,446 km (0.077 R)
• M22: 34,566,084 km (0.066 R)
• M23: 36,357,219 km (0.117 R)
• M24: 47,980,824 km (0.092 R)
• M25: 50,206,841 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 18,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit