🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 9.5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.74 AU - 0.94 AU

Year: 497 Days

Day: 8 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,420,766 km

• M1: 118,182 km (0.103 R)
• M2: 435,330 km (0.074 R)
• M3: 770,130 km (0.073 R)
• M4: 1,327,681 km (0.107 R)
• M5: 1,828,086 km (0.115 R)
• M6: 2,247,409 km (0.081 R)
• M7: 2,917,009 km (0.111 R)
• M8: 3,342,166 km (0.084 R)
• M9: 4,214,770 km (0.106 R)
• M10: 5,198,526 km (0.111 R)
• M11: 6,214,296 km (0.108 R)
• M12: 6,639,901 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 11.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.22 AU - 1.36 AU

Year: 946 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,420,766 km

• M1: 142,268 km (0.106 R)
• M2: 496,964 km (0.083 R)
• M3: 856,149 km (0.07 R)
• M4: 1,251,237 km (0.086 R)
• M5: 1,629,719 km (0.095 R)
• M6: 2,243,669 km (0.115 R)
• M7: 3,210,370 km (0.114 R)
• M8: 4,269,224 km (0.079 R)
• M9: 4,798,202 km (0.048 R)
• M10: 5,423,222 km (0.075 R)
• M11: 6,063,650 km (0.108 R)
• M12: 6,794,885 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 14.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.24 AU - 1.38 AU

Year: 968 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,420,766 km

• M1: 214,823 km (0.109 R)
• M2: 766,839 km (0.09 R)
• M3: 1,487,751 km (0.113 R)
• M4: 2,389,976 km (0.111 R)
• M5: 2,891,278 km (0.096 R)
• M6: 3,732,467 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 12.3

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.8 AU - 3.1 AU

Year: 3272 Days

Day: 9.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,420,766 km

• M1: 153,039 km (0.094 R)
• M2: 684,410 km (0.092 R)
• M3: 1,571,226 km (0.114 R)
• M4: 2,125,636 km (0.092 R)
• M5: 2,661,197 km (0.111 R)
• M6: 3,285,618 km (0.099 R)
• M7: 3,878,923 km (0.045 R)
• M8: 5,385,673 km (0.063 R)
• M9: 6,537,427 km (0.083 R)
• M10: 7,316,383 km (0.085 R)
• M11: 7,949,182 km (0.093 R)
• M12: 8,581,831 km (0.087 R)
• M13: 9,247,991 km (0.11 R)
• M14: 9,671,951 km (0.114 R)
• M15: 12,263,136 km (0.061 R)
• M16: 13,253,474 km (0.069 R)
• M17: 14,449,658 km (0.099 R)
• M18: 15,180,145 km (0.084 R)
• M19: 17,813,217 km (0.094 R)
• M20: 21,532,220 km (0.104 R)
• M21: 23,751,804 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 13.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.02 AU - 3.26 AU

Year: 3593 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,420,766 km

• M1: 166,353 km (0.118 R)
• M2: 738,116 km (0.111 R)
• M3: 1,161,627 km (0.101 R)
• M4: 2,770,553 km (0.097 R)
• M5: 3,192,269 km (0.119 R)
• M6: 4,085,967 km (0.116 R)
• M7: 6,177,644 km (0.096 R)
• M8: 8,700,313 km (0.098 R)
• M9: 9,327,128 km (0.093 R)
• M10: 10,247,604 km (0.108 R)
• M11: 12,528,672 km (0.11 R)
• M12: 20,095,632 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.4

Radius: 13.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.98 AU - 3.68 AU

Year: 3924 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,420,766 km

• M1: 170,392 km (0.047 R)
• M2: 713,432 km (0.037 R)
• M3: 1,636,152 km (0.109 R)
• M4: 2,120,101 km (0.047 R)
• M5: 2,637,560 km (0.103 R)
• M6: 3,203,638 km (0.111 R)
• M7: 3,870,546 km (0.117 R)
• M8: 6,587,841 km (0.07 R)
• M9: 7,509,065 km (0.076 R)
• M10: 9,307,680 km (0.098 R)
• M11: 16,632,142 km (0.113 R)
• M12: 17,414,090 km (0.087 R)
• M13: 20,094,734 km (0.1 R)
• M14: 21,961,416 km (0.067 R)
• M15: 22,902,985 km (0.1 R)

Asteroid Belt

Center: 4.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.9

Radius: 13.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.46 AU - 6.68 AU

Year: 8488 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,420,766 km

• M1: 169,494 km (0.096 R)
• M2: 594,652 km (0.069 R)
• M3: 1,371,812 km (0.108 R)
• M4: 1,909,467 km (0.047 R)
• M5: 2,334,026 km (0.118 R)
• M6: 3,752,962 km (0.082 R)
• M7: 4,743,449 km (0.077 R)
• M8: 5,655,847 km (0.109 R)
• M9: 6,887,935 km (0.11 R)
• M10: 7,312,045 km (0.103 R)
• M11: 7,905,051 km (0.034 R)
• M12: 9,103,479 km (0.119 R)
• M13: 9,834,414 km (0.117 R)
• M14: 12,837,143 km (0.086 R)
• M15: 13,923,971 km (0.073 R)
• M16: 15,189,270 km (0.109 R)
• M17: 17,293,813 km (0.079 R)
• M18: 20,878,627 km (0.041 R)
• M19: 22,767,150 km (0.1 R)
• M20: 24,357,974 km (0.071 R)
• M21: 25,514,814 km (0.108 R)
• M22: 26,535,371 km (0.093 R)
• M23: 28,386,495 km (0.081 R)
• M24: 30,040,599 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.7

Radius: 7.3

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.04 AU - 10.3 AU

Year: 17930 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,420,766 km

• M1: 90,806 km (0.085 R)
• M2: 384,317 km (0.117 R)
• M3: 696,677 km (0.06 R)
• M4: 968,945 km (0.09 R)
• M5: 1,736,083 km (0.091 R)
• M6: 2,618,262 km (0.119 R)
• M7: 3,003,925 km (0.042 R)
• M8: 3,740,545 km (0.111 R)
• M9: 5,376,248 km (0.065 R)
• M10: 6,891,824 km (0.109 R)
• M11: 8,934,882 km (0.087 R)
• M12: 10,325,993 km (0.076 R)
• M13: 11,413,121 km (0.045 R)
• M14: 13,184,060 km (0.094 R)
• M15: 13,884,178 km (0.052 R)
• M16: 17,844,632 km (0.093 R)
• M17: 20,680,260 km (0.107 R)
• M18: 22,400,486 km (0.108 R)
• M19: 23,598,915 km (0.113 R)
• M20: 26,670,757 km (0.103 R)
• M21: 28,244,976 km (0.108 R)
• M22: 29,642,668 km (0.118 R)
• M23: 31,949,168 km (0.116 R)
• M24: 37,467,086 km (0.037 R)
• M25: 37,744,590 km (0.083 R)
• M26: 39,582,101 km (0.05 R)
• M27: 41,626,954 km (0.08 R)
• M28: 43,741,071 km (0.098 R)
• M29: 48,840,264 km (0.089 R)
• M30: 49,504,329 km (0.074 R)
• M31: 52,740,729 km (0.089 R)
• M32: 56,478,881 km (0.075 R)
• M33: 56,843,900 km (0.086 R)
• M34: 58,879,328 km (0.087 R)
• M35: 60,580,555 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 12,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit