🌌 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: 551

Radius: 10.2

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.64 AU - 1.04 AU

Year: 522 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,604,937 km

• M1: 126,859 km (0.08 R)
• M2: 499,956 km (0.12 R)
• M3: 822,788 km (0.081 R)
• M4: 1,152,951 km (0.111 R)
• M5: 1,595,012 km (0.108 R)
• M6: 1,994,888 km (0.104 R)
• M7: 2,319,665 km (0.115 R)
• M8: 2,741,979 km (0.077 R)
• M9: 3,078,126 km (0.104 R)
• M10: 3,665,896 km (0.116 R)
• M11: 4,241,997 km (0.064 R)
• M12: 4,739,410 km (0.12 R)
• M13: 5,275,419 km (0.09 R)
• M14: 6,010,693 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 13.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.9 AU - 1.38 AU

Year: 826 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,604,937 km

• M1: 166,652 km (0.07 R)
• M2: 769,980 km (0.08 R)
• M3: 1,298,809 km (0.102 R)
• M4: 1,846,636 km (0.044 R)
• M5: 2,635,914 km (0.057 R)
• M6: 3,076,331 km (0.066 R)
• M7: 4,572,160 km (0.097 R)
• M8: 5,165,914 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 8.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.87 AU - 2.31 AU

Year: 2049 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,604,937 km

• M1: 115,041 km (0.068 R)
• M2: 437,275 km (0.115 R)
• M3: 865,872 km (0.101 R)
• M4: 1,424,621 km (0.098 R)
• M5: 3,332,592 km (0.103 R)
• M6: 4,060,086 km (0.06 R)
• M7: 4,379,328 km (0.119 R)
• M8: 5,122,829 km (0.091 R)
• M9: 6,152,212 km (0.048 R)
• M10: 6,574,527 km (0.106 R)
• M11: 7,336,878 km (0.065 R)
• M12: 8,798,000 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 13

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.86 AU - 4.62 AU

Year: 4906 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,604,937 km

• M1: 162,314 km (0.08 R)
• M2: 1,048,681 km (0.071 R)
• M3: 2,006,855 km (0.085 R)
• M4: 2,481,679 km (0.054 R)
• M5: 2,904,143 km (0.083 R)
• M6: 3,896,875 km (0.105 R)
• M7: 4,702,609 km (0.09 R)
• M8: 6,046,596 km (0.097 R)
• M9: 6,571,834 km (0.085 R)
• M10: 7,390,284 km (0.082 R)
• M11: 9,261,455 km (0.1 R)
• M12: 9,702,768 km (0.067 R)
• M13: 10,695,799 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 10.4

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.74 AU - 4.76 AU

Year: 7022 Days

Day: 14.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,604,937 km

• M1: 131,197 km (0.05 R)
• M2: 481,406 km (0.115 R)
• M3: 840,590 km (0.105 R)
• M4: 1,796,521 km (0.086 R)
• M5: 2,238,134 km (0.048 R)
• M6: 2,886,641 km (0.077 R)
• M7: 3,541,730 km (0.102 R)
• M8: 4,665,808 km (0.095 R)
• M9: 5,059,998 km (0.098 R)
• M10: 5,537,814 km (0.103 R)
• M11: 6,515,137 km (0.085 R)
• M12: 7,489,468 km (0.08 R)
• M13: 10,045,048 km (0.061 R)
• M14: 10,561,011 km (0.102 R)
• M15: 11,293,143 km (0.114 R)
• M16: 12,534,357 km (0.093 R)
• M17: 13,355,051 km (0.108 R)
• M18: 15,594,381 km (0.073 R)
• M19: 16,737,907 km (0.053 R)
• M20: 22,266,745 km (0.108 R)
• M21: 25,140,221 km (0.085 R)
• M22: 26,355,704 km (0.095 R)
• M23: 28,810,156 km (0.118 R)
• M24: 29,756,662 km (0.066 R)
• M25: 31,413,010 km (0.091 R)
• M26: 32,012,149 km (0.068 R)
• M27: 33,542,984 km (0.117 R)
• M28: 36,311,293 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 13.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.67 AU - 6.53 AU

Year: 8988 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,604,937 km

• M1: 167,250 km (0.096 R)
• M2: 611,406 km (0.087 R)
• M3: 1,547,141 km (0.084 R)
• M4: 2,045,751 km (0.088 R)
• M5: 3,645,551 km (0.101 R)
• M6: 4,250,823 km (0.1 R)
• M7: 4,683,161 km (0.101 R)
• M8: 6,132,615 km (0.097 R)
• M9: 6,808,049 km (0.069 R)
• M10: 7,499,940 km (0.044 R)
• M11: 8,273,061 km (0.061 R)
• M12: 9,512,480 km (0.099 R)
• M13: 11,818,980 km (0.092 R)
• M14: 13,293,117 km (0.037 R)
• M15: 15,783,323 km (0.056 R)
• M16: 19,115,317 km (0.075 R)
• M17: 20,111,339 km (0.107 R)
• M18: 21,669,850 km (0.117 R)
• M19: 22,615,458 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.3

Radius: 4.4

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.6 AU - 6.42 AU

Year: 9993 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,604,937 km

• M1: 54,753 km (0.114 R)
• M2: 416,480 km (0.098 R)
• M3: 614,249 km (0.093 R)
• M4: 1,043,445 km (0.097 R)
• M5: 2,374,567 km (0.075 R)
• M6: 2,613,026 km (0.116 R)
• M7: 3,494,457 km (0.026 R)
• M8: 3,634,779 km (0.088 R)
• M9: 4,585,624 km (0.106 R)
• M10: 4,897,685 km (0.087 R)
• M11: 6,427,323 km (0.117 R)
• M12: 6,638,555 km (0.119 R)
• M13: 7,000,881 km (0.081 R)
• M14: 7,964,291 km (0.073 R)
• M15: 9,547,635 km (0.062 R)
• M16: 11,026,560 km (0.069 R)
• M17: 12,217,658 km (0.072 R)
• M18: 13,207,846 km (0.111 R)
• M19: 21,996,123 km (0.12 R)
• M20: 22,395,400 km (0.102 R)
• M21: 23,622,701 km (0.12 R)
• M22: 31,737,188 km (0.075 R)
• M23: 32,349,642 km (0.068 R)
• M24: 37,084,564 km (0.075 R)
• M25: 38,451,589 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.5

Radius: 3.6

Gravity: 75.96 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.71 AU - 6.59 AU

Year: 10344 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,604,937 km

• M1: 44,730 km (0.112 R)
• M2: 174,880 km (0.084 R)
• M3: 356,492 km (0.034 R)
• M4: 507,286 km (0.107 R)
• M5: 1,132,905 km (0.088 R)
• M6: 1,552,377 km (0.096 R)
• M7: 1,907,672 km (0.117 R)
• M8: 2,104,543 km (0.051 R)
• M9: 2,314,877 km (0.058 R)
• M10: 3,324,065 km (0.113 R)
• M11: 4,111,398 km (0.044 R)
• M12: 5,603,188 km (0.055 R)
• M13: 5,932,304 km (0.118 R)
• M14: 7,595,981 km (0.086 R)
• M15: 8,462,901 km (0.077 R)
• M16: 9,142,524 km (0.109 R)
• M17: 10,015,727 km (0.11 R)
• M18: 13,348,169 km (0.065 R)
• M19: 14,810,339 km (0.115 R)
• M20: 15,156,957 km (0.079 R)
• M21: 15,297,130 km (0.088 R)
• M22: 15,938,456 km (0.086 R)
• M23: 22,628,922 km (0.102 R)
• M24: 23,274,138 km (0.096 R)
• M25: 23,554,484 km (0.096 R)
• M26: 25,778,256 km (0.041 R)
• M27: 26,380,537 km (0.107 R)
• M28: 28,562,572 km (0.114 R)
• M29: 35,700,933 km (0.108 R)
• M30: 40,346,247 km (0.086 R)
• M31: 41,157,665 km (0.048 R)
• M32: 42,394,989 km (0.11 R)
• M33: 49,878,623 km (0.077 R)
• M34: 53,686,038 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.6

Radius: 3.7

Gravity: 31.53 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 10.04 AU - 11.5 AU

Year: 23973 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,604,937 km

• M1: 70,161 km (0.085 R)
• M2: 314,604 km (0.067 R)
• M3: 433,535 km (0.091 R)
• M4: 988,543 km (0.085 R)
• M5: 1,168,060 km (0.082 R)
• M6: 1,309,281 km (0.027 R)
• M7: 2,032,137 km (0.086 R)
• M8: 2,478,986 km (0.071 R)
• M9: 2,641,749 km (0.068 R)
• M10: 3,802,329 km (0.112 R)
• M11: 3,925,149 km (0.094 R)
• M12: 5,265,546 km (0.095 R)
• M13: 6,884,045 km (0.096 R)
• M14: 7,066,704 km (0.099 R)
• M15: 9,918,937 km (0.077 R)
• M16: 10,508,802 km (0.049 R)
• M17: 12,621,124 km (0.088 R)
• M18: 13,454,683 km (0.062 R)
• M19: 13,812,521 km (0.062 R)
• M20: 16,497,354 km (0.081 R)
• M21: 18,880,598 km (0.059 R)
• M22: 19,059,218 km (0.078 R)
• M23: 22,268,989 km (0.095 R)
• M24: 27,501,773 km (0.118 R)
• M25: 28,193,813 km (0.043 R)
• M26: 31,202,974 km (0.086 R)
• M27: 31,577,867 km (0.116 R)
• M28: 33,237,057 km (0.102 R)
• M29: 40,307,949 km (0.116 R)
• M30: 50,174,378 km (0.115 R)
• M31: 50,861,032 km (0.109 R)
• M32: 51,902,832 km (0.106 R)
• M33: 53,313,839 km (0.088 R)
• M34: 59,788,135 km (0.045 R)
• M35: 60,948,117 km (0.096 R)
• M36: 66,560,281 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 16,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit