🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 13.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.77 AU - 1.21 AU

Year: 626 Days

Day: 5.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,275,695 km

• M1: 165,455 km (0.076 R)
• M2: 609,312 km (0.069 R)
• M3: 1,366,726 km (0.096 R)
• M4: 1,896,452 km (0.081 R)
• M5: 2,562,761 km (0.089 R)
• M6: 3,444,192 km (0.114 R)
• M7: 3,949,085 km (0.083 R)
• M8: 5,010,182 km (0.108 R)
• M9: 6,007,850 km (0.116 R)
• M10: 6,643,641 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 8.5

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.24 AU - 1.68 AU

Year: 1122 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,275,695 km

• M1: 105,766 km (0.074 R)
• M2: 550,221 km (0.12 R)
• M3: 855,251 km (0.109 R)
• M4: 1,121,535 km (0.119 R)
• M5: 1,721,871 km (0.118 R)
• M6: 2,078,662 km (0.098 R)
• M7: 3,026,515 km (0.069 R)
• M8: 3,502,535 km (0.101 R)
• M9: 4,149,247 km (0.12 R)
• M10: 5,464,361 km (0.078 R)
• M11: 6,125,285 km (0.104 R)
• M12: 6,475,194 km (0.049 R)
• M13: 6,813,734 km (0.047 R)
• M14: 7,421,700 km (0.109 R)
• M15: 8,120,472 km (0.05 R)
• M16: 8,429,092 km (0.107 R)
• M17: 10,547,099 km (0.102 R)
• M18: 11,084,753 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 11.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.82 AU - 2.54 AU

Year: 2047 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,275,695 km

• M1: 140,622 km (0.083 R)
• M2: 582,085 km (0.091 R)
• M3: 1,099,245 km (0.094 R)
• M4: 1,747,004 km (0.069 R)
• M5: 2,226,166 km (0.096 R)
• M6: 2,648,630 km (0.105 R)
• M7: 3,095,778 km (0.079 R)
• M8: 3,577,483 km (0.1 R)
• M9: 4,161,214 km (0.104 R)
• M10: 4,905,165 km (0.073 R)
• M11: 7,359,766 km (0.117 R)
• M12: 8,390,795 km (0.089 R)
• M13: 8,852,903 km (0.109 R)
• M14: 9,423,469 km (0.109 R)
• M15: 11,422,845 km (0.083 R)
• M16: 12,099,625 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 14.4

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.87 AU - 4.97 AU

Year: 6939 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,275,695 km

• M1: 179,069 km (0.104 R)
• M2: 877,840 km (0.06 R)
• M3: 1,358,498 km (0.088 R)
• M4: 1,935,647 km (0.095 R)
• M5: 2,874,673 km (0.108 R)
• M6: 3,512,708 km (0.085 R)
• M7: 4,858,340 km (0.105 R)
• M8: 5,982,868 km (0.079 R)
• M9: 7,168,880 km (0.087 R)
• M10: 8,119,275 km (0.067 R)
• M11: 9,069,521 km (0.048 R)
• M12: 11,918,014 km (0.058 R)
• M13: 13,627,020 km (0.05 R)
• M14: 15,142,745 km (0.099 R)
• M15: 16,336,237 km (0.073 R)
• M16: 16,830,808 km (0.065 R)
• M17: 19,318,171 km (0.09 R)
• M18: 21,817,802 km (0.077 R)
• M19: 23,651,872 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 13.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.52 AU - 6.48 AU

Year: 8201 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,275,695 km

• M1: 167,849 km (0.086 R)
• M2: 912,098 km (0.106 R)
• M3: 1,748,949 km (0.086 R)
• M4: 2,205,372 km (0.095 R)
• M5: 3,010,358 km (0.119 R)
• M6: 3,505,826 km (0.068 R)
• M7: 4,055,748 km (0.082 R)
• M8: 4,721,159 km (0.118 R)
• M9: 6,095,515 km (0.032 R)
• M10: 8,395,283 km (0.12 R)
• M11: 9,479,119 km (0.109 R)
• M12: 10,103,990 km (0.068 R)
• M13: 12,999,008 km (0.076 R)
• M14: 14,573,675 km (0.075 R)
• M15: 15,147,383 km (0.038 R)
• M16: 17,099,037 km (0.081 R)
• M17: 17,953,839 km (0.072 R)
• M18: 22,324,341 km (0.079 R)
• M19: 27,647,033 km (0.094 R)
• M20: 28,231,661 km (0.1 R)
• M21: 29,425,752 km (0.104 R)
• M22: 31,279,718 km (0.096 R)
• M23: 31,808,247 km (0.113 R)
• M24: 34,204,955 km (0.071 R)
• M25: 37,902,565 km (0.118 R)
• M26: 40,970,668 km (0.05 R)
• M27: 41,730,924 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.8

Radius: 3.1

Gravity: 101.12 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.32 AU - 10.46 AU

Year: 16853 Days

Day: 21.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,275,695 km

• M1: 38,596 km (0.079 R)
• M2: 475,871 km (0.034 R)
• M3: 1,201,420 km (0.111 R)
• M4: 2,655,661 km (0.079 R)
• M5: 3,169,081 km (0.109 R)
• M6: 3,335,285 km (0.101 R)
• M7: 3,931,582 km (0.114 R)
• M8: 5,065,533 km (0.108 R)
• M9: 7,953,670 km (0.095 R)
• M10: 8,106,260 km (0.046 R)
• M11: 12,584,622 km (0.062 R)
• M12: 13,142,173 km (0.047 R)
• M13: 13,570,920 km (0.109 R)
• M14: 14,683,779 km (0.097 R)
• M15: 18,296,119 km (0.118 R)
• M16: 24,115,925 km (0.077 R)
• M17: 27,440,139 km (0.109 R)
• M18: 38,344,627 km (0.096 R)
• M19: 41,157,366 km (0.041 R)
• M20: 43,945,870 km (0.117 R)
• M21: 44,422,489 km (0.096 R)
• M22: 50,936,579 km (0.089 R)
• M23: 55,430,349 km (0.089 R)
• M24: 61,756,843 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 11,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit