🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.8

Radius: 12.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.86 AU - 1.42 AU

Year: 798 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,035,649 km

• M1: 153,039 km (0.046 R)
• M2: 728,841 km (0.09 R)
• M3: 1,331,271 km (0.03 R)
• M4: 1,852,321 km (0.067 R)
• M5: 2,401,345 km (0.098 R)
• M6: 2,901,899 km (0.114 R)
• M7: 4,060,236 km (0.1 R)
• M8: 4,744,796 km (0.11 R)
• M9: 5,539,160 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 12.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.99 AU - 2.55 AU

Year: 2244 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,035,649 km

• M1: 160,519 km (0.066 R)
• M2: 562,039 km (0.032 R)
• M3: 1,002,156 km (0.072 R)
• M4: 1,642,884 km (0.102 R)
• M5: 2,268,053 km (0.081 R)
• M6: 2,774,592 km (0.106 R)
• M7: 3,306,412 km (0.116 R)
• M8: 3,740,396 km (0.1 R)
• M9: 4,153,734 km (0.081 R)
• M10: 4,810,170 km (0.103 R)
• M11: 6,383,192 km (0.087 R)
• M12: 6,811,490 km (0.061 R)
• M13: 7,786,270 km (0.085 R)
• M14: 9,183,065 km (0.09 R)
• M15: 9,765,300 km (0.099 R)
• M16: 11,504,375 km (0.051 R)
• M17: 13,398,284 km (0.104 R)
• M18: 13,924,869 km (0.096 R)
• M19: 15,492,056 km (0.114 R)
• M20: 16,868,656 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 9.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.53 AU - 4.17 AU

Year: 4022 Days

Day: 6 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,035,649 km

• M1: 128,505 km (0.098 R)
• M2: 534,364 km (0.072 R)
• M3: 1,283,999 km (0.112 R)
• M4: 1,615,358 km (0.095 R)
• M5: 2,414,360 km (0.084 R)
• M6: 2,910,726 km (0.07 R)
• M7: 4,665,958 km (0.117 R)
• M8: 5,087,824 km (0.094 R)
• M9: 5,830,727 km (0.113 R)
• M10: 9,752,136 km (0.072 R)
• M11: 13,187,202 km (0.102 R)
• M12: 14,260,866 km (0.068 R)
• M13: 15,537,085 km (0.111 R)
• M14: 15,929,480 km (0.062 R)
• M15: 16,228,078 km (0.082 R)
• M16: 17,198,370 km (0.11 R)
• M17: 17,565,483 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.3

Radius: 8.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.54 AU - 5.12 AU

Year: 5911 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 81.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,035,649 km

• M1: 108,159 km (0.102 R)
• M2: 390,899 km (0.114 R)
• M3: 698,323 km (0.115 R)
• M4: 1,114,355 km (0.051 R)
• M5: 1,756,877 km (0.05 R)
• M6: 2,386,385 km (0.099 R)
• M7: 2,717,146 km (0.069 R)
• M8: 2,999,886 km (0.117 R)
• M9: 3,602,766 km (0.083 R)
• M10: 4,486,739 km (0.107 R)
• M11: 5,303,993 km (0.089 R)
• M12: 7,267,165 km (0.11 R)
• M13: 7,853,290 km (0.084 R)
• M14: 8,235,363 km (0.068 R)
• M15: 8,995,619 km (0.04 R)
• M16: 9,287,185 km (0.081 R)
• M17: 9,801,802 km (0.04 R)
• M18: 10,155,302 km (0.114 R)
• M19: 15,030,696 km (0.059 R)
• M20: 15,920,953 km (0.082 R)
• M21: 16,409,989 km (0.095 R)
• M22: 22,393,904 km (0.083 R)
• M23: 22,853,468 km (0.056 R)
• M24: 23,475,795 km (0.115 R)
• M25: 24,835,939 km (0.088 R)
• M26: 26,332,516 km (0.084 R)
• M27: 28,778,591 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 12.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.59 AU - 6.53 AU

Year: 8600 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,035,649 km

• M1: 161,117 km (0.05 R)
• M2: 1,191,996 km (0.09 R)
• M3: 1,933,403 km (0.096 R)
• M4: 2,813,487 km (0.098 R)
• M5: 4,963,508 km (0.096 R)
• M6: 5,359,045 km (0.082 R)
• M7: 10,940,541 km (0.089 R)
• M8: 15,886,546 km (0.072 R)
• M9: 17,387,611 km (0.072 R)
• M10: 18,239,122 km (0.101 R)
• M11: 27,547,251 km (0.108 R)
• M12: 30,079,494 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.6

Radius: 7.7

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.77 AU - 7.27 AU

Year: 12202 Days

Day: 23.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,035,649 km

• M1: 100,081 km (0.103 R)
• M2: 495,319 km (0.117 R)
• M3: 777,610 km (0.082 R)
• M4: 1,794,576 km (0.114 R)
• M5: 2,311,586 km (0.066 R)
• M6: 2,625,742 km (0.092 R)
• M7: 3,876,081 km (0.108 R)
• M8: 4,350,456 km (0.049 R)
• M9: 5,053,266 km (0.06 R)
• M10: 11,827,656 km (0.085 R)
• M11: 12,115,184 km (0.061 R)
• M12: 14,984,022 km (0.066 R)
• M13: 15,388,834 km (0.075 R)
• M14: 18,660,988 km (0.085 R)
• M15: 19,208,516 km (0.112 R)
• M16: 20,582,872 km (0.095 R)
• M17: 22,809,786 km (0.107 R)
• M18: 25,668,900 km (0.12 R)
• M19: 27,434,305 km (0.066 R)
• M20: 28,040,326 km (0.102 R)
• M21: 29,070,008 km (0.119 R)
• M22: 29,594,348 km (0.063 R)
• M23: 30,124,822 km (0.097 R)
• M24: 32,310,597 km (0.107 R)
• M25: 35,664,581 km (0.119 R)
• M26: 39,755,335 km (0.096 R)
• M27: 40,012,793 km (0.114 R)
• M28: 40,661,449 km (0.086 R)
• M29: 42,515,116 km (0.063 R)
• M30: 45,259,938 km (0.11 R)
• M31: 46,532,717 km (0.076 R)

Asteroid Belt

Center: 7.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.7

Radius: 8

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.55 AU - 9.33 AU

Year: 14677 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,035,649 km

• M1: 99,483 km (0.116 R)
• M2: 405,560 km (0.09 R)
• M3: 1,071,570 km (0.11 R)
• M4: 1,447,808 km (0.093 R)
• M5: 1,829,582 km (0.111 R)
• M6: 2,429,320 km (0.101 R)
• M7: 2,971,463 km (0.105 R)
• M8: 4,069,810 km (0.117 R)
• M9: 4,382,320 km (0.107 R)
• M10: 4,991,782 km (0.078 R)
• M11: 5,761,313 km (0.063 R)
• M12: 8,094,442 km (0.056 R)
• M13: 8,822,235 km (0.108 R)
• M14: 10,778,227 km (0.049 R)
• M15: 13,436,881 km (0.052 R)
• M16: 14,586,840 km (0.068 R)
• M17: 15,253,298 km (0.078 R)
• M18: 15,939,952 km (0.051 R)
• M19: 19,207,918 km (0.12 R)
• M20: 24,163,198 km (0.095 R)
• M21: 26,735,982 km (0.099 R)
• M22: 27,132,117 km (0.101 R)
• M23: 30,228,494 km (0.063 R)
• M24: 31,530,444 km (0.049 R)
• M25: 33,552,858 km (0.113 R)
• M26: 36,746,174 km (0.117 R)
• M27: 37,978,561 km (0.105 R)
• M28: 43,866,883 km (0.105 R)
• M29: 44,556,529 km (0.111 R)
• M30: 49,736,654 km (0.114 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: 412 - 17,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit