🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 9

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.07 AU - 1.63 AU

Year: 1013 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,631,919 km

• M1: 111,899 km (0.093 R)
• M2: 502,948 km (0.118 R)
• M3: 983,157 km (0.088 R)
• M4: 1,466,658 km (0.058 R)
• M5: 1,992,793 km (0.07 R)
• M6: 2,664,039 km (0.057 R)
• M7: 3,039,380 km (0.095 R)
• M8: 3,743,836 km (0.066 R)
• M9: 5,223,658 km (0.12 R)
• M10: 6,471,005 km (0.092 R)
• M11: 6,920,248 km (0.108 R)
• M12: 7,682,150 km (0.103 R)
• M13: 8,032,658 km (0.105 R)
• M14: 8,685,204 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 14.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.76 AU - 2.2 AU

Year: 1799 Days

Day: 11.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,631,919 km

• M1: 187,297 km (0.091 R)
• M2: 647,011 km (0.063 R)
• M3: 1,424,920 km (0.05 R)
• M4: 1,928,317 km (0.091 R)
• M5: 2,403,140 km (0.101 R)
• M6: 3,035,042 km (0.068 R)
• M7: 3,565,665 km (0.11 R)
• M8: 6,209,957 km (0.118 R)
• M9: 6,768,256 km (0.105 R)
• M10: 7,433,518 km (0.098 R)
• M11: 7,883,808 km (0.083 R)
• M12: 8,895,089 km (0.112 R)
• M13: 9,841,894 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 10.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.13 AU - 4.39 AU

Year: 5677 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,631,919 km

• M1: 133,142 km (0.078 R)
• M2: 543,639 km (0.069 R)
• M3: 1,228,348 km (0.106 R)
• M4: 1,800,859 km (0.113 R)
• M5: 2,165,429 km (0.113 R)
• M6: 2,796,882 km (0.062 R)
• M7: 3,228,023 km (0.08 R)
• M8: 3,613,686 km (0.063 R)
• M9: 4,030,017 km (0.06 R)
• M10: 5,241,760 km (0.119 R)
• M11: 7,753,658 km (0.081 R)
• M12: 8,609,657 km (0.113 R)
• M13: 9,877,050 km (0.106 R)
• M14: 11,656,068 km (0.084 R)
• M15: 13,258,111 km (0.054 R)
• M16: 13,805,041 km (0.084 R)
• M17: 14,943,780 km (0.098 R)
• M18: 15,777,339 km (0.103 R)
• M19: 16,894,387 km (0.081 R)
• M20: 17,733,481 km (0.09 R)
• M21: 18,129,916 km (0.051 R)
• M22: 18,872,220 km (0.11 R)
• M23: 23,678,351 km (0.084 R)
• M24: 24,646,997 km (0.061 R)
• M25: 25,979,316 km (0.117 R)
• M26: 27,009,596 km (0.067 R)
• M27: 27,977,794 km (0.104 R)
• M28: 28,605,806 km (0.088 R)
• M29: 29,704,303 km (0.098 R)
• M30: 32,771,059 km (0.093 R)
• M31: 33,168,690 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 15

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.17 AU - 5.45 AU

Year: 6811 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,631,919 km

• M1: 186,549 km (0.052 R)
• M2: 791,822 km (0.071 R)
• M3: 1,751,941 km (0.093 R)
• M4: 2,267,156 km (0.083 R)
• M5: 3,987,830 km (0.041 R)
• M6: 4,843,231 km (0.062 R)
• M7: 5,385,224 km (0.118 R)
• M8: 8,422,659 km (0.116 R)
• M9: 8,889,554 km (0.116 R)
• M10: 11,871,189 km (0.038 R)
• M11: 12,659,720 km (0.065 R)
• M12: 13,430,598 km (0.113 R)
• M13: 14,840,707 km (0.062 R)
• M14: 15,466,176 km (0.112 R)
• M15: 15,991,115 km (0.075 R)
• M16: 16,892,292 km (0.111 R)
• M17: 17,449,096 km (0.089 R)
• M18: 17,954,288 km (0.075 R)
• M19: 18,994,142 km (0.119 R)
• M20: 21,193,830 km (0.071 R)
• M21: 23,789,053 km (0.117 R)
• M22: 25,687,002 km (0.067 R)
• M23: 27,769,404 km (0.093 R)
• M24: 29,514,613 km (0.037 R)
• M25: 30,232,832 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 12.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.03 AU - 6.69 AU

Year: 8012 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,631,919 km

• M1: 154,235 km (0.065 R)
• M2: 977,622 km (0.057 R)
• M3: 2,329,388 km (0.074 R)
• M4: 3,958,210 km (0.117 R)
• M5: 5,117,294 km (0.1 R)
• M6: 5,678,735 km (0.091 R)
• M7: 6,814,781 km (0.101 R)
• M8: 7,692,472 km (0.07 R)
• M9: 8,262,739 km (0.043 R)
• M10: 9,396,691 km (0.092 R)
• M11: 10,780,920 km (0.094 R)
• M12: 11,288,506 km (0.1 R)
• M13: 14,129,818 km (0.1 R)
• M14: 16,535,202 km (0.1 R)
• M15: 17,348,416 km (0.12 R)
• M16: 19,201,934 km (0.081 R)
• M17: 23,891,827 km (0.109 R)
• M18: 24,755,904 km (0.066 R)
• M19: 26,730,297 km (0.109 R)
• M20: 28,710,973 km (0.05 R)
• M21: 29,099,030 km (0.083 R)
• M22: 31,194,298 km (0.088 R)
• M23: 33,068,759 km (0.064 R)
• M24: 37,385,705 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.5

Radius: 6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.39 AU - 7.11 AU

Year: 10089 Days

Day: 20.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,631,919 km

• M1: 74,649 km (0.076 R)
• M2: 483,949 km (0.11 R)
• M3: 764,146 km (0.088 R)
• M4: 970,591 km (0.12 R)
• M5: 1,543,401 km (0.032 R)
• M6: 3,089,495 km (0.107 R)
• M7: 3,622,662 km (0.11 R)
• M8: 5,094,705 km (0.069 R)
• M9: 5,484,108 km (0.111 R)
• M10: 6,957,498 km (0.073 R)
• M11: 7,436,809 km (0.118 R)
• M12: 12,230,972 km (0.031 R)
• M13: 15,075,127 km (0.057 R)
• M14: 19,182,486 km (0.085 R)
• M15: 20,059,429 km (0.086 R)
• M16: 20,443,297 km (0.097 R)
• M17: 22,299,956 km (0.087 R)
• M18: 22,505,354 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.2

Radius: 6.2

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.39 AU - 7.39 AU

Year: 10430 Days

Day: 20.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,631,919 km

• M1: 79,736 km (0.076 R)
• M2: 354,996 km (0.026 R)
• M3: 668,852 km (0.091 R)
• M4: 1,147,116 km (0.056 R)
• M5: 1,617,153 km (0.103 R)
• M6: 2,013,737 km (0.104 R)
• M7: 2,845,202 km (0.066 R)
• M8: 5,160,079 km (0.095 R)
• M9: 5,357,698 km (0.116 R)
• M10: 6,807,152 km (0.102 R)
• M11: 7,835,637 km (0.047 R)
• M12: 8,776,458 km (0.101 R)
• M13: 10,248,053 km (0.103 R)
• M14: 12,456,117 km (0.09 R)
• M15: 13,114,797 km (0.117 R)
• M16: 15,297,878 km (0.087 R)
• M17: 16,904,859 km (0.103 R)
• M18: 18,011,733 km (0.115 R)
• M19: 18,238,673 km (0.067 R)
• M20: 23,820,619 km (0.094 R)
• M21: 26,165,116 km (0.104 R)
• M22: 27,844,652 km (0.051 R)
• M23: 30,442,867 km (0.102 R)
• M24: 32,410,827 km (0.107 R)
• M25: 35,519,322 km (0.107 R)
• M26: 38,694,985 km (0.081 R)
• M27: 43,126,822 km (0.088 R)
• M28: 46,735,572 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.9

Radius: 6.6

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.81 AU - 8.49 AU

Year: 15023 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,631,919 km

• M1: 121,324 km (0.061 R)
• M2: 329,564 km (0.063 R)
• M3: 2,451,760 km (0.034 R)
• M4: 3,502,984 km (0.07 R)
• M5: 5,652,406 km (0.081 R)
• M6: 9,166,610 km (0.076 R)
• M7: 13,409,953 km (0.103 R)
• M8: 16,556,744 km (0.09 R)
• M9: 18,338,904 km (0.087 R)
• M10: 27,248,355 km (0.098 R)
• M11: 32,455,557 km (0.026 R)
• M12: 32,907,792 km (0.099 R)
• M13: 33,709,337 km (0.113 R)
• M14: 34,289,777 km (0.099 R)
• M15: 34,995,131 km (0.053 R)
• M16: 37,913,187 km (0.062 R)
• M17: 47,343,388 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.9

Radius: 7.7

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.58 AU - 9.66 AU

Year: 16341 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,631,919 km

• M1: 95,743 km (0.11 R)
• M2: 483,201 km (0.093 R)
• M3: 1,448,855 km (0.072 R)
• M4: 1,798,017 km (0.12 R)
• M5: 3,115,376 km (0.034 R)
• M6: 3,730,672 km (0.088 R)
• M7: 4,130,846 km (0.116 R)
• M8: 5,901,636 km (0.115 R)
• M9: 7,300,226 km (0.072 R)
• M10: 8,907,057 km (0.089 R)
• M11: 11,934,320 km (0.104 R)
• M12: 13,148,755 km (0.066 R)
• M13: 23,835,279 km (0.098 R)
• M14: 25,972,883 km (0.079 R)
• M15: 28,820,329 km (0.072 R)
• M16: 30,502,557 km (0.088 R)
• M17: 45,575,739 km (0.113 R)
• M18: 47,689,408 km (0.076 R)
• M19: 52,638,554 km (0.098 R)
• M20: 72,316,209 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 16,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit