🌌 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: 709.9

Radius: 12.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.54 AU - 0.62 AU

Year: 305 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,475,491 km

• M1: 151,692 km (0.108 R)
• M2: 738,415 km (0.099 R)
• M3: 1,352,963 km (0.101 R)
• M4: 1,777,971 km (0.092 R)
• M5: 3,382,109 km (0.079 R)
• M6: 3,982,146 km (0.099 R)
• M7: 4,464,599 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 10.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.77 AU - 0.85 AU

Year: 503 Days

Day: 14.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,475,491 km

• M1: 131,197 km (0.083 R)
• M2: 521,947 km (0.113 R)
• M3: 971,788 km (0.042 R)
• M4: 1,362,986 km (0.088 R)
• M5: 1,728,304 km (0.029 R)
• M6: 2,433,957 km (0.115 R)
• M7: 2,979,092 km (0.082 R)
• M8: 3,321,821 km (0.109 R)
• M9: 3,734,860 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 14.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.64 AU - 1.96 AU

Year: 1667 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,475,491 km

• M1: 185,352 km (0.074 R)
• M2: 796,609 km (0.114 R)
• M3: 1,288,786 km (0.077 R)
• M4: 1,841,550 km (0.106 R)
• M5: 2,410,171 km (0.045 R)
• M6: 2,960,691 km (0.091 R)
• M7: 3,612,190 km (0.111 R)
• M8: 4,186,347 km (0.107 R)
• M9: 5,496,974 km (0.097 R)
• M10: 6,161,188 km (0.117 R)
• M11: 7,594,037 km (0.087 R)
• M12: 8,177,917 km (0.1 R)
• M13: 8,760,302 km (0.104 R)
• M14: 10,111,918 km (0.054 R)
• M15: 11,409,979 km (0.057 R)
• M16: 12,775,808 km (0.069 R)
• M17: 13,393,497 km (0.111 R)
• M18: 14,117,701 km (0.106 R)
• M19: 15,459,294 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 9.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.17 AU - 2.17 AU

Year: 2206 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,475,491 km

• M1: 120,277 km (0.117 R)
• M2: 547,977 km (0.064 R)
• M3: 1,212,790 km (0.118 R)
• M4: 1,626,578 km (0.074 R)
• M5: 1,974,243 km (0.091 R)
• M6: 2,782,221 km (0.104 R)
• M7: 3,225,480 km (0.106 R)
• M8: 3,588,255 km (0.102 R)
• M9: 4,097,336 km (0.118 R)
• M10: 4,487,338 km (0.092 R)
• M11: 5,219,470 km (0.093 R)
• M12: 6,006,803 km (0.102 R)
• M13: 8,058,987 km (0.084 R)
• M14: 10,057,914 km (0.067 R)
• M15: 10,442,231 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 14.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.47 AU - 3.61 AU

Year: 3659 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,475,491 km

• M1: 182,809 km (0.067 R)
• M2: 699,819 km (0.093 R)
• M3: 1,170,603 km (0.039 R)
• M4: 1,969,007 km (0.103 R)
• M5: 2,840,265 km (0.066 R)
• M6: 3,689,981 km (0.1 R)
• M7: 4,298,396 km (0.104 R)
• M8: 7,047,406 km (0.064 R)
• M9: 8,148,746 km (0.089 R)
• M10: 9,256,368 km (0.12 R)
• M11: 9,792,078 km (0.112 R)
• M12: 12,400,168 km (0.112 R)
• M13: 13,635,696 km (0.11 R)
• M14: 14,377,851 km (0.117 R)
• M15: 15,691,021 km (0.112 R)
• M16: 16,299,885 km (0.048 R)
• M17: 17,349,463 km (0.103 R)
• M18: 18,499,572 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 10.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.47 AU - 5.71 AU

Year: 7927 Days

Day: 8.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,475,491 km

• M1: 130,599 km (0.101 R)
• M2: 502,798 km (0.104 R)
• M3: 845,976 km (0.06 R)
• M4: 1,386,922 km (0.042 R)
• M5: 1,744,610 km (0.054 R)
• M6: 2,308,146 km (0.087 R)
• M7: 2,931,071 km (0.115 R)
• M8: 4,358,085 km (0.072 R)
• M9: 4,832,161 km (0.113 R)
• M10: 8,760,152 km (0.102 R)
• M11: 9,217,922 km (0.051 R)
• M12: 11,066,353 km (0.091 R)
• M13: 20,224,435 km (0.101 R)
• M14: 20,658,568 km (0.048 R)
• M15: 21,922,670 km (0.028 R)
• M16: 23,395,611 km (0.084 R)
• M17: 30,420,727 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.4

Radius: 3.9

Gravity: 44.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.2 AU - 10.14 AU

Year: 20756 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,475,491 km

• M1: 48,470 km (0.094 R)
• M2: 415,583 km (0.086 R)
• M3: 667,954 km (0.103 R)
• M4: 1,347,578 km (0.102 R)
• M5: 1,641,238 km (0.118 R)
• M6: 2,468,514 km (0.112 R)
• M7: 3,782,732 km (0.037 R)
• M8: 4,748,236 km (0.091 R)
• M9: 5,307,134 km (0.078 R)
• M10: 6,290,740 km (0.086 R)
• M11: 6,734,447 km (0.078 R)
• M12: 9,326,081 km (0.071 R)
• M13: 9,726,854 km (0.12 R)
• M14: 10,139,145 km (0.064 R)
• M15: 10,379,848 km (0.111 R)
• M16: 10,501,621 km (0.07 R)
• M17: 12,376,381 km (0.107 R)
• M18: 17,364,872 km (0.099 R)
• M19: 17,796,462 km (0.065 R)
• M20: 18,323,495 km (0.078 R)
• M21: 24,934,973 km (0.115 R)
• M22: 27,179,091 km (0.119 R)
• M23: 28,947,936 km (0.091 R)
• M24: 32,843,913 km (0.117 R)
• M25: 34,441,170 km (0.115 R)
• M26: 35,258,872 km (0.068 R)
• M27: 38,368,114 km (0.118 R)
• M28: 39,394,505 km (0.088 R)
• M29: 40,288,801 km (0.092 R)
• M30: 46,268,377 km (0.115 R)
• M31: 47,430,753 km (0.089 R)
• M32: 51,034,416 km (0.075 R)
• M33: 54,816,400 km (0.062 R)
• M34: 60,734,043 km (0.051 R)
• M35: 66,432,525 km (0.119 R)
• M36: 66,642,261 km (0.11 R)
• M37: 73,818,172 km (0.056 R)
• M38: 77,011,787 km (0.087 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 15,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit