🌌 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: 893.4

Radius: 13.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.54 AU - 0.62 AU

Year: 300 Days

Day: 7.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,514,378 km

• M1: 163,062 km (0.062 R)
• M2: 759,508 km (0.089 R)
• M3: 1,250,937 km (0.112 R)
• M4: 1,912,609 km (0.104 R)
• M5: 2,420,942 km (0.086 R)
• M6: 2,888,136 km (0.096 R)
• M7: 3,834,792 km (0.063 R)
• M8: 4,434,380 km (0.109 R)
• M9: 4,892,150 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 14

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,514,378 km

• M1: 174,132 km (0.102 R)
• M2: 667,207 km (0.092 R)
• M3: 1,190,649 km (0.07 R)
• M4: 1,691,653 km (0.072 R)
• M5: 2,494,096 km (0.12 R)
• M6: 2,940,496 km (0.114 R)
• M7: 3,376,574 km (0.108 R)
• M8: 4,368,707 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 8.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.62 AU - 0.76 AU

Year: 389 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,514,378 km

• M1: 106,962 km (0.09 R)
• M2: 385,364 km (0.095 R)
• M3: 666,608 km (0.025 R)
• M4: 1,097,151 km (0.093 R)
• M5: 1,467,854 km (0.075 R)
• M6: 1,751,641 km (0.065 R)
• M7: 2,147,178 km (0.069 R)
• M8: 2,806,007 km (0.108 R)
• M9: 3,329,450 km (0.101 R)
• M10: 3,848,256 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 11.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.75 AU - 0.85 AU

Year: 485 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,514,378 km

• M1: 144,212 km (0.092 R)
• M2: 523,593 km (0.116 R)
• M3: 930,349 km (0.103 R)
• M4: 1,561,652 km (0.083 R)
• M5: 1,988,305 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 8.2

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.15 AU - 1.57 AU

Year: 1076 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,514,378 km

• M1: 102,175 km (0.076 R)
• M2: 388,805 km (0.103 R)
• M3: 873,951 km (0.095 R)
• M4: 1,156,242 km (0.091 R)
• M5: 1,623,436 km (0.117 R)
• M6: 1,881,193 km (0.105 R)
• M7: 2,420,643 km (0.113 R)
• M8: 2,799,275 km (0.039 R)
• M9: 3,173,569 km (0.077 R)
• M10: 3,955,218 km (0.036 R)
• M11: 4,917,581 km (0.093 R)
• M12: 5,590,921 km (0.111 R)
• M13: 6,118,254 km (0.117 R)
• M14: 6,750,604 km (0.066 R)
• M15: 7,045,312 km (0.099 R)
• M16: 9,145,965 km (0.106 R)
• M17: 10,615,914 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 8

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.06 AU - 5.12 AU

Year: 7789 Days

Day: 6.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,514,378 km

• M1: 99,782 km (0.086 R)
• M2: 465,997 km (0.107 R)
• M3: 919,728 km (0.08 R)
• M4: 1,488,798 km (0.085 R)
• M5: 2,729,563 km (0.089 R)
• M6: 3,400,060 km (0.081 R)
• M7: 4,047,221 km (0.09 R)
• M8: 4,859,836 km (0.107 R)
• M9: 5,553,223 km (0.075 R)
• M10: 6,913,815 km (0.111 R)
• M11: 9,442,019 km (0.087 R)
• M12: 11,727,875 km (0.112 R)
• M13: 13,827,331 km (0.072 R)
• M14: 15,652,874 km (0.09 R)
• M15: 18,898,699 km (0.106 R)
• M16: 19,701,142 km (0.047 R)
• M17: 24,912,833 km (0.085 R)
• M18: 25,700,017 km (0.057 R)
• M19: 29,788,975 km (0.078 R)
• M20: 34,938,732 km (0.051 R)
• M21: 37,267,971 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856

Radius: 3.7

Gravity: 62.53 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.47 AU - 5.83 AU

Year: 9109 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 171.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,514,378 km

• M1: 46,226 km (0.102 R)
• M2: 190,737 km (0.119 R)
• M3: 469,737 km (0.119 R)
• M4: 691,292 km (0.097 R)
• M5: 859,141 km (0.076 R)
• M6: 1,010,683 km (0.12 R)
• M7: 1,546,543 km (0.079 R)
• M8: 1,951,055 km (0.07 R)
• M9: 2,159,894 km (0.106 R)
• M10: 3,241,935 km (0.048 R)
• M11: 3,460,348 km (0.12 R)
• M12: 3,793,054 km (0.071 R)
• M13: 5,014,221 km (0.116 R)
• M14: 5,644,178 km (0.054 R)
• M15: 5,853,615 km (0.072 R)
• M16: 6,475,344 km (0.079 R)
• M17: 7,978,653 km (0.044 R)
• M18: 9,949,904 km (0.078 R)
• M19: 11,155,962 km (0.056 R)
• M20: 11,709,474 km (0.114 R)
• M21: 13,791,278 km (0.099 R)
• M22: 14,952,307 km (0.107 R)
• M23: 15,692,966 km (0.037 R)
• M24: 22,607,230 km (0.117 R)
• M25: 23,671,619 km (0.071 R)
• M26: 23,942,840 km (0.118 R)
• M27: 24,861,820 km (0.089 R)
• M28: 30,982,317 km (0.095 R)
• M29: 32,851,094 km (0.075 R)
• M30: 48,514,440 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 20,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit