🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 11.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.21 AU - 1.43 AU

Year: 1029 Days

Day: 13.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,857,579 km

• M1: 140,622 km (0.094 R)
• M2: 493,224 km (0.114 R)
• M3: 908,508 km (0.037 R)
• M4: 1,702,424 km (0.057 R)
• M5: 2,061,608 km (0.091 R)
• M6: 2,912,521 km (0.071 R)
• M7: 3,672,029 km (0.118 R)
• M8: 4,592,505 km (0.111 R)
• M9: 5,758,172 km (0.105 R)
• M10: 6,180,786 km (0.089 R)
• M11: 6,667,577 km (0.068 R)
• M12: 7,134,023 km (0.075 R)
• M13: 7,765,925 km (0.079 R)
• M14: 8,744,145 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 9

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.29 AU - 1.63 AU

Year: 1197 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,857,579 km

• M1: 112,198 km (0.076 R)
• M2: 497,712 km (0.096 R)
• M3: 1,122,283 km (0.07 R)
• M4: 2,043,208 km (0.081 R)
• M5: 2,934,811 km (0.085 R)
• M6: 3,567,610 km (0.051 R)
• M7: 4,065,921 km (0.082 R)
• M8: 4,411,492 km (0.079 R)
• M9: 4,776,660 km (0.041 R)
• M10: 5,083,336 km (0.084 R)
• M11: 5,526,445 km (0.084 R)
• M12: 6,307,196 km (0.08 R)
• M13: 6,700,489 km (0.107 R)
• M14: 7,208,972 km (0.088 R)
• M15: 8,194,223 km (0.108 R)
• M16: 9,929,110 km (0.119 R)
• M17: 10,398,548 km (0.099 R)
• M18: 11,180,346 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.8

Radius: 12.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.32 AU - 2.14 AU

Year: 1543 Days

Day: 6.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,857,579 km

• M1: 153,039 km (0.096 R)
• M2: 567,126 km (0.113 R)
• M3: 1,197,681 km (0.051 R)
• M4: 1,738,776 km (0.115 R)
• M5: 2,740,783 km (0.098 R)
• M6: 4,371,250 km (0.111 R)
• M7: 5,255,373 km (0.118 R)
• M8: 5,740,220 km (0.07 R)
• M9: 9,338,049 km (0.112 R)
• M10: 9,722,964 km (0.098 R)
• M11: 10,219,031 km (0.063 R)
• M12: 10,906,732 km (0.054 R)
• M13: 11,370,037 km (0.107 R)
• M14: 12,839,536 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 8.6

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.63 AU - 2.01 AU

Year: 1665 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,857,579 km

• M1: 108,907 km (0.088 R)
• M2: 460,313 km (0.103 R)
• M3: 750,981 km (0.083 R)
• M4: 1,030,131 km (0.075 R)
• M5: 1,607,878 km (0.081 R)
• M6: 1,893,610 km (0.095 R)
• M7: 2,556,328 km (0.085 R)
• M8: 4,054,252 km (0.086 R)
• M9: 5,001,206 km (0.103 R)
• M10: 5,663,775 km (0.072 R)
• M11: 6,137,103 km (0.055 R)
• M12: 6,408,474 km (0.078 R)
• M13: 6,949,120 km (0.094 R)
• M14: 7,716,707 km (0.047 R)
• M15: 8,004,234 km (0.108 R)
• M16: 8,479,207 km (0.115 R)
• M17: 9,323,089 km (0.109 R)
• M18: 10,325,245 km (0.059 R)
• M19: 10,888,182 km (0.076 R)
• M20: 12,940,365 km (0.119 R)
• M21: 13,470,391 km (0.115 R)
• M22: 14,574,124 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 14.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.11 AU - 4.45 AU

Year: 4985 Days

Day: 11.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,857,579 km

• M1: 175,329 km (0.074 R)
• M2: 686,355 km (0.111 R)
• M3: 1,167,163 km (0.113 R)
• M4: 1,773,632 km (0.118 R)
• M5: 2,451,012 km (0.072 R)
• M6: 3,206,032 km (0.105 R)
• M7: 4,048,118 km (0.033 R)
• M8: 5,438,481 km (0.114 R)
• M9: 6,172,408 km (0.091 R)
• M10: 9,180,373 km (0.099 R)
• M11: 16,103,164 km (0.084 R)
• M12: 16,821,233 km (0.078 R)
• M13: 18,143,828 km (0.083 R)
• M14: 21,388,456 km (0.119 R)
• M15: 22,664,975 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 13.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.54 AU - 4.9 AU

Year: 5880 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 14,857,579 km

• M1: 181,911 km (0.106 R)
• M2: 622,327 km (0.073 R)
• M3: 1,379,143 km (0.105 R)
• M4: 2,421,840 km (0.12 R)
• M5: 3,055,387 km (0.114 R)
• M6: 3,640,165 km (0.103 R)
• M7: 4,450,088 km (0.102 R)
• M8: 5,261,656 km (0.064 R)
• M9: 5,764,006 km (0.12 R)
• M10: 7,039,029 km (0.113 R)
• M11: 8,258,102 km (0.096 R)
• M12: 9,700,076 km (0.118 R)
• M13: 10,186,269 km (0.102 R)
• M14: 11,207,723 km (0.102 R)
• M15: 13,025,038 km (0.114 R)
• M16: 14,115,905 km (0.039 R)
• M17: 16,047,663 km (0.104 R)
• M18: 17,429,798 km (0.097 R)
• M19: 18,349,675 km (0.064 R)
• M20: 18,821,656 km (0.026 R)
• M21: 20,429,983 km (0.091 R)
• M22: 23,363,747 km (0.073 R)
• M23: 24,482,140 km (0.101 R)
• M24: 26,825,741 km (0.095 R)
• M25: 27,874,571 km (0.088 R)
• M26: 28,859,823 km (0.109 R)
• M27: 30,147,262 km (0.076 R)
• M28: 31,955,152 km (0.084 R)
• M29: 33,432,731 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 10

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.58 AU - 5.7 AU

Year: 6779 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 14,857,579 km

• M1: 125,513 km (0.061 R)
• M2: 688,150 km (0.065 R)
• M3: 1,236,576 km (0.12 R)
• M4: 1,563,447 km (0.095 R)
• M5: 2,309,642 km (0.095 R)
• M6: 2,714,902 km (0.072 R)
• M7: 3,277,241 km (0.088 R)
• M8: 3,645,999 km (0.072 R)
• M9: 4,981,459 km (0.117 R)
• M10: 5,502,509 km (0.042 R)
• M11: 6,581,858 km (0.104 R)
• M12: 10,321,954 km (0.089 R)
• M13: 10,865,443 km (0.096 R)
• M14: 11,849,199 km (0.077 R)
• M15: 13,697,331 km (0.074 R)
• M16: 14,052,925 km (0.095 R)
• M17: 14,475,539 km (0.103 R)
• M18: 18,168,661 km (0.111 R)
• M19: 23,275,185 km (0.115 R)
• M20: 23,952,713 km (0.052 R)
• M21: 26,702,921 km (0.081 R)
• M22: 32,506,720 km (0.062 R)
• M23: 33,889,752 km (0.074 R)
• M24: 36,545,563 km (0.105 R)
• M25: 36,886,945 km (0.068 R)
• M26: 38,040,495 km (0.106 R)
• M27: 38,980,568 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 13.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.24 AU - 6.74 AU

Year: 8725 Days

Day: 10.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 130 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,857,579 km

• M1: 173,833 km (0.082 R)
• M2: 672,293 km (0.114 R)
• M3: 1,340,397 km (0.074 R)
• M4: 1,943,127 km (0.06 R)
• M5: 4,318,292 km (0.094 R)
• M6: 9,254,872 km (0.084 R)
• M7: 12,486,934 km (0.093 R)
• M8: 13,951,797 km (0.072 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: 280 - 19,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit