🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 13.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.14 AU - 1.34 AU

Year: 906 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,008,959 km

• M1: 167,998 km (0.075 R)
• M2: 848,669 km (0.075 R)
• M3: 1,520,962 km (0.11 R)
• M4: 2,567,399 km (0.067 R)
• M5: 3,082,614 km (0.072 R)
• M6: 4,424,357 km (0.089 R)
• M7: 5,896,550 km (0.057 R)
• M8: 6,734,148 km (0.061 R)
• M9: 7,170,226 km (0.09 R)
• M10: 7,600,769 km (0.067 R)
• M11: 8,461,405 km (0.093 R)
• M12: 8,942,961 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 10.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.31 AU - 2.05 AU

Year: 1428 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,008,959 km

• M1: 138,677 km (0.079 R)
• M2: 496,216 km (0.069 R)
• M3: 878,140 km (0.042 R)
• M4: 1,309,580 km (0.098 R)
• M5: 1,909,766 km (0.111 R)
• M6: 2,305,902 km (0.105 R)
• M7: 3,253,155 km (0.101 R)
• M8: 3,616,529 km (0.094 R)
• M9: 4,802,540 km (0.117 R)
• M10: 5,219,470 km (0.071 R)
• M11: 5,982,120 km (0.077 R)
• M12: 6,422,536 km (0.099 R)
• M13: 7,559,180 km (0.033 R)
• M14: 8,431,336 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.3

Radius: 10

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.49 AU - 2.19 AU

Year: 1637 Days

Day: 11.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,008,959 km

• M1: 124,465 km (0.054 R)
• M2: 529,576 km (0.099 R)
• M3: 915,838 km (0.092 R)
• M4: 1,344,586 km (0.055 R)
• M5: 1,689,708 km (0.095 R)
• M6: 2,037,673 km (0.117 R)
• M7: 3,071,543 km (0.092 R)
• M8: 3,561,776 km (0.098 R)
• M9: 3,940,857 km (0.087 R)
• M10: 5,029,181 km (0.05 R)
• M11: 5,804,697 km (0.088 R)
• M12: 6,430,764 km (0.088 R)
• M13: 7,154,817 km (0.103 R)
• M14: 7,704,590 km (0.051 R)
• M15: 9,139,233 km (0.112 R)
• M16: 10,189,709 km (0.11 R)
• M17: 11,428,829 km (0.118 R)
• M18: 12,529,420 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.3

Radius: 10.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.89 AU - 2.61 AU

Year: 2214 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,008,959 km

• M1: 137,929 km (0.073 R)
• M2: 736,022 km (0.103 R)
• M3: 1,102,536 km (0.099 R)
• M4: 1,497,475 km (0.049 R)
• M5: 4,866,419 km (0.095 R)
• M6: 5,274,821 km (0.109 R)
• M7: 6,774,689 km (0.108 R)
• M8: 7,332,839 km (0.118 R)
• M9: 8,594,398 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127

Radius: 14.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.28 AU - 4.58 AU

Year: 5111 Days

Day: 5.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,008,959 km

• M1: 178,769 km (0.033 R)
• M2: 668,553 km (0.093 R)
• M3: 1,961,976 km (0.108 R)
• M4: 2,637,710 km (0.044 R)
• M5: 3,397,368 km (0.117 R)
• M6: 4,481,503 km (0.097 R)
• M7: 6,237,633 km (0.058 R)
• M8: 6,850,386 km (0.096 R)
• M9: 8,073,049 km (0.119 R)
• M10: 9,032,271 km (0.068 R)
• M11: 12,328,510 km (0.095 R)
• M12: 15,767,017 km (0.109 R)
• M13: 17,471,835 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.6

Radius: 7.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.09 AU - 7.39 AU

Year: 11479 Days

Day: 24.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,008,959 km

• M1: 88,263 km (0.065 R)
• M2: 436,078 km (0.115 R)
• M3: 1,085,033 km (0.082 R)
• M4: 1,485,357 km (0.078 R)
• M5: 1,743,114 km (0.074 R)
• M6: 2,221,977 km (0.112 R)
• M7: 2,541,518 km (0.088 R)
• M8: 2,870,035 km (0.097 R)
• M9: 3,713,767 km (0.102 R)
• M10: 3,975,115 km (0.059 R)
• M11: 5,985,560 km (0.034 R)
• M12: 7,513,852 km (0.111 R)
• M13: 9,238,267 km (0.071 R)
• M14: 11,157,009 km (0.08 R)
• M15: 11,758,692 km (0.07 R)
• M16: 13,086,223 km (0.118 R)
• M17: 13,817,308 km (0.105 R)
• M18: 17,014,963 km (0.068 R)
• M19: 21,331,310 km (0.057 R)
• M20: 31,182,779 km (0.069 R)
• M21: 33,596,091 km (0.038 R)
• M22: 41,319,829 km (0.12 R)
• M23: 42,492,826 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602

Radius: 6.2

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.12 AU - 7.86 AU

Year: 12123 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,008,959 km

• M1: 77,193 km (0.101 R)
• M2: 271,221 km (0.086 R)
• M3: 663,018 km (0.084 R)
• M4: 1,003,802 km (0.082 R)
• M5: 1,335,311 km (0.094 R)
• M6: 1,585,289 km (0.083 R)
• M7: 2,036,775 km (0.082 R)
• M8: 2,409,124 km (0.108 R)
• M9: 2,611,829 km (0.061 R)
• M10: 3,121,808 km (0.099 R)
• M11: 3,669,636 km (0.109 R)
• M12: 4,106,761 km (0.118 R)
• M13: 4,578,144 km (0.093 R)
• M14: 5,454,338 km (0.12 R)
• M15: 5,734,236 km (0.101 R)
• M16: 6,134,709 km (0.11 R)
• M17: 6,750,305 km (0.099 R)
• M18: 7,280,180 km (0.07 R)
• M19: 8,148,895 km (0.099 R)
• M20: 11,056,928 km (0.079 R)
• M21: 13,677,285 km (0.031 R)
• M22: 17,126,263 km (0.047 R)
• M23: 17,727,048 km (0.055 R)
• M24: 21,113,795 km (0.117 R)
• M25: 21,630,356 km (0.101 R)
• M26: 23,596,671 km (0.068 R)
• M27: 25,388,255 km (0.062 R)
• M28: 26,465,808 km (0.047 R)
• M29: 27,984,077 km (0.066 R)
• M30: 28,607,152 km (0.11 R)
• M31: 33,115,882 km (0.117 R)
• M32: 37,321,078 km (0.104 R)
• M33: 42,139,327 km (0.057 R)
• M34: 44,345,446 km (0.064 R)
• M35: 46,193,728 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 5.3

Gravity: 21.55 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.46 AU - 7.7 AU

Year: 13690 Days

Day: 15.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,008,959 km

• M1: 65,973 km (0.112 R)
• M2: 888,761 km (0.07 R)
• M3: 1,143,975 km (0.067 R)
• M4: 1,534,874 km (0.099 R)
• M5: 2,157,500 km (0.051 R)
• M6: 3,005,421 km (0.112 R)
• M7: 4,383,517 km (0.115 R)
• M8: 4,760,503 km (0.086 R)
• M9: 5,797,815 km (0.095 R)
• M10: 6,527,853 km (0.114 R)
• M11: 7,938,710 km (0.094 R)
• M12: 10,890,426 km (0.111 R)
• M13: 11,581,119 km (0.109 R)
• M14: 11,997,300 km (0.104 R)
• M15: 13,500,161 km (0.104 R)
• M16: 27,570,588 km (0.111 R)
• M17: 38,929,704 km (0.118 R)
• M18: 43,742,417 km (0.052 R)
• M19: 46,514,017 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970

Radius: 6.3

Gravity: 24.44 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.2 AU - 9.62 AU

Year: 17447 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,008,959 km

• M1: 78,389 km (0.076 R)
• M2: 397,482 km (0.104 R)
• M3: 621,430 km (0.085 R)
• M4: 842,086 km (0.098 R)
• M5: 1,089,671 km (0.047 R)
• M6: 1,807,441 km (0.106 R)
• M7: 2,289,446 km (0.062 R)
• M8: 5,528,389 km (0.079 R)
• M9: 6,992,055 km (0.049 R)
• M10: 8,325,271 km (0.106 R)
• M11: 8,643,167 km (0.111 R)
• M12: 11,355,077 km (0.084 R)
• M13: 13,400,828 km (0.097 R)
• M14: 18,741,472 km (0.046 R)
• M15: 21,877,641 km (0.084 R)
• M16: 22,892,962 km (0.096 R)
• M17: 31,402,388 km (0.112 R)
• M18: 34,018,705 km (0.096 R)
• M19: 37,060,479 km (0.079 R)
• M20: 42,265,587 km (0.111 R)
• M21: 44,960,892 km (0.118 R)
• M22: 48,276,130 km (0.106 R)
• M23: 48,616,316 km (0.032 R)
• M24: 53,548,857 km (0.073 R)
• M25: 55,948,108 km (0.095 R)
• M26: 60,960,085 km (0.101 R)
• M27: 62,762,440 km (0.093 R)
• M28: 65,012,991 km (0.089 R)
• M29: 74,327,852 km (0.105 R)
• M30: 75,923,762 km (0.094 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: 252 - 13,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit