🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 11.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.08 AU - 3.34 AU

Year: 3970 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,229,300 km

• M1: 159,172 km (0.11 R)
• M2: 736,620 km (0.102 R)
• M3: 1,202,468 km (0.117 R)
• M4: 2,080,607 km (0.098 R)
• M5: 2,465,074 km (0.047 R)
• M6: 3,613,686 km (0.082 R)
• M7: 4,381,422 km (0.071 R)
• M8: 5,090,068 km (0.093 R)
• M9: 5,570,576 km (0.116 R)
• M10: 9,904,426 km (0.097 R)
• M11: 10,694,303 km (0.048 R)
• M12: 12,528,223 km (0.117 R)
• M13: 16,291,956 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 13.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3 AU - 3.86 AU

Year: 4385 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,229,300 km

• M1: 168,447 km (0.099 R)
• M2: 877,691 km (0.108 R)
• M3: 1,355,207 km (0.111 R)
• M4: 1,824,645 km (0.064 R)
• M5: 2,747,215 km (0.107 R)
• M6: 3,433,870 km (0.072 R)
• M7: 4,027,623 km (0.108 R)
• M8: 4,639,628 km (0.038 R)
• M9: 6,051,383 km (0.064 R)
• M10: 6,538,923 km (0.101 R)
• M11: 8,530,819 km (0.115 R)
• M12: 9,544,344 km (0.082 R)
• M13: 11,258,287 km (0.081 R)
• M14: 13,524,695 km (0.111 R)
• M15: 13,991,290 km (0.056 R)
• M16: 15,288,005 km (0.077 R)
• M17: 15,737,696 km (0.087 R)
• M18: 16,900,520 km (0.105 R)
• M19: 19,725,826 km (0.101 R)
• M20: 24,571,600 km (0.059 R)
• M21: 25,896,887 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 12.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.15 AU - 6.87 AU

Year: 8928 Days

Day: 5.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 117.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,229,300 km

• M1: 152,141 km (0.067 R)
• M2: 568,472 km (0.068 R)
• M3: 1,115,551 km (0.112 R)
• M4: 1,584,690 km (0.061 R)
• M5: 2,693,659 km (0.118 R)
• M6: 3,104,006 km (0.11 R)
• M7: 4,825,130 km (0.089 R)
• M8: 6,663,239 km (0.04 R)
• M9: 8,840,785 km (0.075 R)
• M10: 9,709,051 km (0.111 R)
• M11: 13,939,530 km (0.064 R)
• M12: 15,564,910 km (0.077 R)
• M13: 18,307,339 km (0.12 R)
• M14: 20,564,920 km (0.096 R)
• M15: 22,750,246 km (0.096 R)
• M16: 24,203,290 km (0.085 R)
• M17: 25,717,220 km (0.104 R)
• M18: 26,358,546 km (0.064 R)
• M19: 30,842,144 km (0.084 R)
• M20: 33,589,060 km (0.092 R)
• M21: 34,798,858 km (0.117 R)
• M22: 39,686,071 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.5

Radius: 8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.4 AU - 6.68 AU

Year: 10246 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,229,300 km

• M1: 99,483 km (0.068 R)
• M2: 352,453 km (0.068 R)
• M3: 930,798 km (0.097 R)
• M4: 1,914,554 km (0.073 R)
• M5: 2,421,990 km (0.079 R)
• M6: 3,121,060 km (0.032 R)
• M7: 4,181,560 km (0.06 R)
• M8: 5,490,990 km (0.085 R)
• M9: 8,363,119 km (0.069 R)
• M10: 10,178,340 km (0.117 R)
• M11: 10,989,759 km (0.053 R)
• M12: 16,566,019 km (0.092 R)
• M13: 17,744,551 km (0.101 R)
• M14: 18,679,089 km (0.114 R)
• M15: 19,646,240 km (0.026 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.1

Radius: 6.4

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.14 AU - 8.02 AU

Year: 14405 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,229,300 km

• M1: 79,586 km (0.108 R)
• M2: 320,139 km (0.104 R)
• M3: 620,682 km (0.092 R)
• M4: 965,804 km (0.097 R)
• M5: 1,202,019 km (0.058 R)
• M6: 1,726,659 km (0.061 R)
• M7: 1,950,158 km (0.119 R)
• M8: 2,291,839 km (0.075 R)
• M9: 3,270,808 km (0.067 R)
• M10: 3,726,034 km (0.111 R)
• M11: 4,502,896 km (0.057 R)
• M12: 5,491,439 km (0.047 R)
• M13: 5,863,638 km (0.068 R)
• M14: 7,750,666 km (0.081 R)
• M15: 8,957,322 km (0.043 R)
• M16: 9,316,357 km (0.102 R)
• M17: 9,792,228 km (0.078 R)
• M18: 11,616,125 km (0.084 R)
• M19: 14,062,499 km (0.089 R)
• M20: 15,332,884 km (0.116 R)
• M21: 17,065,228 km (0.077 R)
• M22: 19,007,756 km (0.114 R)
• M23: 23,326,048 km (0.085 R)
• M24: 27,712,407 km (0.095 R)
• M25: 36,106,493 km (0.104 R)
• M26: 39,423,976 km (0.026 R)
• M27: 40,805,961 km (0.109 R)
• M28: 45,445,140 km (0.111 R)
• M29: 47,426,115 km (0.062 R)
• M30: 48,516,385 km (0.109 R)
• M31: 49,623,110 km (0.109 R)
• M32: 50,102,571 km (0.098 R)
• M33: 54,050,010 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.7

Radius: 6.3

Gravity: 17.13 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.32 AU - 11.62 AU

Year: 23385 Days

Day: 23.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,229,300 km

• M1: 78,389 km (0.111 R)
• M2: 324,478 km (0.104 R)
• M3: 585,676 km (0.109 R)
• M4: 1,102,237 km (0.106 R)
• M5: 2,759,034 km (0.068 R)
• M6: 3,385,849 km (0.045 R)
• M7: 3,971,823 km (0.058 R)
• M8: 4,623,322 km (0.115 R)
• M9: 5,668,563 km (0.059 R)
• M10: 6,357,610 km (0.115 R)
• M11: 12,047,715 km (0.112 R)
• M12: 13,255,568 km (0.096 R)
• M13: 17,449,245 km (0.079 R)
• M14: 22,869,774 km (0.056 R)
• M15: 24,271,357 km (0.117 R)
• M16: 24,937,217 km (0.077 R)
• M17: 25,274,710 km (0.101 R)
• M18: 26,655,049 km (0.113 R)
• M19: 29,816,800 km (0.054 R)
• M20: 30,324,386 km (0.04 R)
• M21: 31,096,610 km (0.102 R)
• M22: 33,219,703 km (0.102 R)
• M23: 34,316,704 km (0.08 R)
• M24: 35,579,460 km (0.074 R)
• M25: 36,873,033 km (0.058 R)
• M26: 60,004,155 km (0.078 R)
• M27: 81,482,819 km (0.106 R)
• M28: 81,977,539 km (0.063 R)
• M29: 82,474,503 km (0.051 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 17,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit