🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 12

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.79 AU

Year: 396 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 70,624,522 km

• M1: 151,543 km (0.096 R)
• M2: 929,152 km (0.047 R)
• M3: 1,823,299 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 12.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 1 AU

Year: 513 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,624,522 km

• M1: 158,574 km (0.106 R)
• M2: 571,613 km (0.077 R)
• M3: 1,674,599 km (0.096 R)
• M4: 2,416,155 km (0.087 R)
• M5: 2,975,801 km (0.067 R)
• M6: 4,082,825 km (0.099 R)
• M7: 5,226,052 km (0.085 R)
• M8: 5,674,995 km (0.071 R)
• M9: 6,891,376 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 8.4

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.37 AU - 1.75 AU

Year: 1345 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,624,522 km

• M1: 104,569 km (0.118 R)
• M2: 370,704 km (0.086 R)
• M3: 658,979 km (0.072 R)
• M4: 1,096,852 km (0.098 R)
• M5: 1,700,629 km (0.065 R)
• M6: 2,023,760 km (0.11 R)
• M7: 2,535,235 km (0.106 R)
• M8: 2,903,844 km (0.075 R)
• M9: 3,651,534 km (0.043 R)
• M10: 3,916,323 km (0.073 R)
• M11: 4,985,648 km (0.047 R)
• M12: 5,417,388 km (0.097 R)
• M13: 5,873,811 km (0.108 R)
• M14: 6,261,868 km (0.111 R)
• M15: 7,191,319 km (0.099 R)
• M16: 7,715,959 km (0.059 R)
• M17: 8,098,331 km (0.054 R)
• M18: 10,333,323 km (0.079 R)
• M19: 11,035,835 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 11

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.83 AU - 2.07 AU

Year: 1880 Days

Day: 8 Hours

Environment

Temp: -192 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,624,522 km

• M1: 136,882 km (0.114 R)
• M2: 492,775 km (0.07 R)
• M3: 879,336 km (0.11 R)
• M4: 1,494,483 km (0.032 R)
• M5: 2,066,994 km (0.079 R)
• M6: 2,683,935 km (0.025 R)
• M7: 3,228,023 km (0.087 R)
• M8: 4,518,304 km (0.045 R)
• M9: 5,095,453 km (0.07 R)
• M10: 5,980,624 km (0.089 R)
• M11: 6,347,288 km (0.098 R)
• M12: 6,728,912 km (0.066 R)
• M13: 8,625,215 km (0.095 R)
• M14: 9,646,669 km (0.091 R)
• M15: 11,475,802 km (0.028 R)
• M16: 14,031,383 km (0.094 R)
• M17: 14,902,341 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 8.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.71 AU - 2.79 AU

Year: 2330 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,624,522 km

• M1: 106,065 km (0.04 R)
• M2: 401,371 km (0.064 R)
• M3: 711,487 km (0.095 R)
• M4: 1,103,733 km (0.092 R)
• M5: 1,681,630 km (0.053 R)
• M6: 1,978,133 km (0.104 R)
• M7: 2,298,571 km (0.119 R)
• M8: 2,690,966 km (0.11 R)
• M9: 2,963,534 km (0.071 R)
• M10: 3,846,460 km (0.054 R)
• M11: 4,366,612 km (0.059 R)
• M12: 4,970,988 km (0.116 R)
• M13: 5,383,878 km (0.073 R)
• M14: 6,211,304 km (0.06 R)
• M15: 7,293,495 km (0.111 R)
• M16: 7,595,383 km (0.086 R)
• M17: 10,164,128 km (0.105 R)
• M18: 10,797,974 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 12.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.54 AU - 5.1 AU

Year: 7304 Days

Day: 14.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,624,522 km

• M1: 153,039 km (0.069 R)
• M2: 665,561 km (0.111 R)
• M3: 1,069,475 km (0.068 R)
• M4: 1,473,838 km (0.101 R)
• M5: 1,939,387 km (0.118 R)
• M6: 2,452,208 km (0.107 R)
• M7: 4,506,636 km (0.112 R)
• M8: 5,683,223 km (0.037 R)
• M9: 6,574,976 km (0.056 R)
• M10: 7,125,197 km (0.117 R)
• M11: 8,396,779 km (0.045 R)
• M12: 10,534,084 km (0.103 R)
• M13: 15,021,571 km (0.079 R)
• M14: 17,683,516 km (0.12 R)
• M15: 21,230,930 km (0.073 R)
• M16: 21,677,180 km (0.119 R)
• M17: 24,083,911 km (0.114 R)
• M18: 24,569,505 km (0.11 R)
• M19: 26,663,726 km (0.042 R)
• M20: 28,332,939 km (0.073 R)
• M21: 29,147,500 km (0.101 R)
• M22: 31,013,583 km (0.084 R)
• M23: 31,781,918 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.2

Radius: 7.5

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.16 AU - 10.54 AU

Year: 21339 Days

Day: 16.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,624,522 km

• M1: 93,349 km (0.055 R)
• M2: 666,010 km (0.112 R)
• M3: 974,032 km (0.117 R)
• M4: 1,592,320 km (0.08 R)
• M5: 3,963,446 km (0.059 R)
• M6: 4,813,461 km (0.107 R)
• M7: 7,003,424 km (0.089 R)
• M8: 8,090,103 km (0.108 R)
• M9: 8,647,804 km (0.034 R)
• M10: 11,447,977 km (0.092 R)
• M11: 13,086,523 km (0.11 R)
• M12: 14,213,742 km (0.086 R)
• M13: 14,875,563 km (0.054 R)
• M14: 22,368,472 km (0.111 R)
• M15: 31,422,883 km (0.078 R)
• M16: 31,793,886 km (0.068 R)
• M17: 34,736,027 km (0.042 R)
• M18: 55,015,066 km (0.084 R)
• M19: 57,376,319 km (0.1 R)
• M20: 59,426,408 km (0.119 R)
• M21: 62,494,810 km (0.113 R)
• M22: 63,869,764 km (0.086 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: 417 - 18,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit