🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.5

Radius: 9.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.08 AU - 1.5 AU

Year: 977 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,714,159 km

• M1: 116,986 km (0.096 R)
• M2: 473,028 km (0.033 R)
• M3: 870,360 km (0.115 R)
• M4: 1,347,578 km (0.108 R)
• M5: 1,647,671 km (0.034 R)
• M6: 2,197,294 km (0.088 R)
• M7: 2,495,442 km (0.083 R)
• M8: 2,898,160 km (0.08 R)
• M9: 3,270,509 km (0.091 R)
• M10: 3,661,707 km (0.087 R)
• M11: 4,493,022 km (0.089 R)
• M12: 4,817,650 km (0.107 R)
• M13: 5,191,196 km (0.095 R)
• M14: 5,619,046 km (0.025 R)
• M15: 6,070,233 km (0.031 R)
• M16: 6,643,492 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 11.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.26 AU - 1.62 AU

Year: 1152 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,714,159 km

• M1: 143,913 km (0.109 R)
• M2: 558,299 km (0.102 R)
• M3: 1,218,175 km (0.096 R)
• M4: 1,746,406 km (0.112 R)
• M5: 2,892,176 km (0.073 R)
• M6: 3,271,107 km (0.054 R)
• M7: 3,731,120 km (0.051 R)
• M8: 4,613,150 km (0.104 R)
• M9: 5,113,704 km (0.107 R)
• M10: 6,201,281 km (0.048 R)
• M11: 7,008,062 km (0.034 R)
• M12: 9,301,248 km (0.089 R)
• M13: 9,913,701 km (0.077 R)
• M14: 11,185,283 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 14.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.66 AU - 2.32 AU

Year: 1872 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,714,159 km

• M1: 184,005 km (0.088 R)
• M2: 873,502 km (0.046 R)
• M3: 1,627,625 km (0.096 R)
• M4: 2,468,514 km (0.094 R)
• M5: 3,038,333 km (0.083 R)
• M6: 4,879,434 km (0.05 R)
• M7: 5,613,211 km (0.088 R)
• M8: 6,256,931 km (0.117 R)
• M9: 6,974,402 km (0.081 R)
• M10: 7,456,855 km (0.084 R)
• M11: 9,339,694 km (0.106 R)
• M12: 10,343,346 km (0.09 R)
• M13: 11,487,321 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 12.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.71 AU - 5.23 AU

Year: 7389 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,714,159 km

• M1: 159,471 km (0.077 R)
• M2: 608,714 km (0.111 R)
• M3: 1,182,721 km (0.096 R)
• M4: 1,627,176 km (0.117 R)
• M5: 3,311,050 km (0.115 R)
• M6: 3,755,505 km (0.088 R)
• M7: 4,264,287 km (0.047 R)
• M8: 6,386,483 km (0.104 R)
• M9: 11,709,773 km (0.091 R)
• M10: 13,371,955 km (0.096 R)
• M11: 14,508,450 km (0.089 R)
• M12: 15,358,914 km (0.094 R)
• M13: 19,501,429 km (0.029 R)
• M14: 20,397,071 km (0.104 R)
• M15: 27,367,584 km (0.104 R)
• M16: 29,285,429 km (0.055 R)
• M17: 30,460,071 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.4

Radius: 12

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.71 AU - 6.33 AU

Year: 8648 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,714,159 km

• M1: 149,299 km (0.094 R)
• M2: 924,964 km (0.102 R)
• M3: 1,710,053 km (0.116 R)
• M4: 3,270,808 km (0.076 R)
• M5: 5,211,242 km (0.081 R)
• M6: 7,625,153 km (0.071 R)
• M7: 9,095,401 km (0.107 R)
• M8: 10,135,555 km (0.114 R)
• M9: 10,872,025 km (0.114 R)
• M10: 15,258,085 km (0.09 R)
• M11: 16,280,587 km (0.092 R)
• M12: 18,702,277 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 4.1

Gravity: 26.56 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.78 AU - 7.44 AU

Year: 12643 Days

Day: 23.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,714,159 km

• M1: 69,862 km (0.084 R)
• M2: 231,727 km (0.114 R)
• M3: 756,068 km (0.089 R)
• M4: 934,089 km (0.107 R)
• M5: 1,105,229 km (0.031 R)
• M6: 1,259,464 km (0.076 R)
• M7: 1,539,512 km (0.113 R)
• M8: 1,671,607 km (0.107 R)
• M9: 1,843,495 km (0.11 R)
• M10: 1,975,739 km (0.059 R)
• M11: 2,186,223 km (0.117 R)
• M12: 2,735,696 km (0.107 R)
• M13: 3,621,615 km (0.114 R)
• M14: 3,751,017 km (0.113 R)
• M15: 4,593,253 km (0.1 R)
• M16: 5,486,652 km (0.052 R)
• M17: 6,836,922 km (0.104 R)
• M18: 9,769,040 km (0.061 R)
• M19: 13,879,840 km (0.099 R)
• M20: 15,179,546 km (0.118 R)
• M21: 16,416,870 km (0.113 R)
• M22: 17,424,412 km (0.079 R)
• M23: 17,719,718 km (0.104 R)
• M24: 19,325,053 km (0.106 R)
• M25: 19,482,729 km (0.087 R)
• M26: 20,858,730 km (0.033 R)
• M27: 21,024,784 km (0.039 R)
• M28: 21,953,637 km (0.101 R)
• M29: 24,718,206 km (0.075 R)
• M30: 25,562,237 km (0.112 R)
• M31: 28,412,525 km (0.111 R)
• M32: 28,924,449 km (0.08 R)
• M33: 33,356,436 km (0.108 R)
• M34: 35,674,006 km (0.072 R)
• M35: 38,844,134 km (0.088 R)
• M36: 39,601,399 km (0.068 R)
• M37: 45,737,604 km (0.086 R)
• M38: 47,723,666 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.3

Radius: 5.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.15 AU - 9.51 AU

Year: 14611 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,714,159 km

• M1: 64,626 km (0.107 R)
• M2: 335,398 km (0.056 R)
• M3: 1,405,472 km (0.106 R)
• M4: 1,651,411 km (0.095 R)
• M5: 1,971,700 km (0.099 R)
• M6: 3,293,696 km (0.116 R)
• M7: 3,681,753 km (0.034 R)
• M8: 5,117,893 km (0.093 R)
• M9: 6,570,787 km (0.111 R)
• M10: 9,037,656 km (0.112 R)
• M11: 9,568,729 km (0.088 R)
• M12: 9,842,044 km (0.034 R)
• M13: 10,167,419 km (0.1 R)
• M14: 10,987,515 km (0.119 R)
• M15: 11,236,745 km (0.11 R)
• M16: 13,089,514 km (0.108 R)
• M17: 14,117,252 km (0.111 R)
• M18: 16,461,750 km (0.114 R)
• M19: 20,521,088 km (0.059 R)
• M20: 21,282,391 km (0.061 R)
• M21: 21,670,000 km (0.063 R)
• M22: 22,780,465 km (0.067 R)
• M23: 23,679,249 km (0.118 R)
• M24: 23,928,479 km (0.11 R)
• M25: 26,427,810 km (0.117 R)
• M26: 28,529,810 km (0.063 R)
• M27: 30,250,784 km (0.108 R)
• M28: 30,740,717 km (0.091 R)
• M29: 33,374,537 km (0.073 R)
• M30: 34,639,387 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 13,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit