🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 8.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 5.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,344,468 km

• M1: 104,419 km (0.106 R)
• M2: 474,973 km (0.116 R)
• M3: 747,391 km (0.094 R)
• M4: 1,029,682 km (0.107 R)
• M5: 1,331,271 km (0.111 R)
• M6: 1,813,276 km (0.066 R)
• M7: 2,375,764 km (0.079 R)
• M8: 2,993,902 km (0.098 R)
• M9: 3,261,533 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.8

Radius: 8.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.66 AU - 1.06 AU

Year: 532 Days

Day: 5 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,344,468 km

• M1: 109,506 km (0.053 R)
• M2: 393,891 km (0.091 R)
• M3: 801,246 km (0.094 R)
• M4: 1,188,705 km (0.094 R)
• M5: 1,475,185 km (0.041 R)
• M6: 1,786,049 km (0.105 R)
• M7: 2,183,231 km (0.114 R)
• M8: 3,015,145 km (0.104 R)
• M9: 3,312,546 km (0.072 R)
• M10: 3,953,872 km (0.116 R)
• M11: 4,704,404 km (0.098 R)
• M12: 5,014,820 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 11.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.02 AU - 1.26 AU

Year: 812 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,344,468 km

• M1: 146,756 km (0.106 R)
• M2: 629,059 km (0.09 R)
• M3: 1,245,253 km (0.053 R)
• M4: 3,251,659 km (0.057 R)
• M5: 3,719,901 km (0.097 R)
• M6: 4,132,342 km (0.042 R)
• M7: 5,082,737 km (0.076 R)
• M8: 5,914,501 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.1

Radius: 12.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.07 AU - 1.33 AU

Year: 877 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,344,468 km

• M1: 159,172 km (0.099 R)
• M2: 558,898 km (0.078 R)
• M3: 1,055,413 km (0.101 R)
• M4: 1,679,535 km (0.08 R)
• M5: 2,262,817 km (0.114 R)
• M6: 2,678,101 km (0.062 R)
• M7: 3,551,304 km (0.114 R)
• M8: 4,117,233 km (0.073 R)
• M9: 4,555,554 km (0.09 R)
• M10: 5,151,851 km (0.082 R)
• M11: 5,701,175 km (0.046 R)
• M12: 7,053,091 km (0.074 R)
• M13: 7,659,710 km (0.098 R)
• M14: 9,004,296 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 14.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.57 AU - 2.05 AU

Year: 1624 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,344,468 km

• M1: 178,021 km (0.102 R)
• M2: 662,868 km (0.1 R)
• M3: 1,156,092 km (0.099 R)
• M4: 1,690,456 km (0.053 R)
• M5: 2,148,824 km (0.084 R)
• M6: 3,205,583 km (0.066 R)
• M7: 3,903,008 km (0.06 R)
• M8: 4,719,364 km (0.098 R)
• M9: 6,993,252 km (0.098 R)
• M10: 7,755,752 km (0.094 R)
• M11: 8,543,834 km (0.044 R)
• M12: 9,078,347 km (0.066 R)
• M13: 10,346,638 km (0.106 R)
• M14: 11,514,847 km (0.099 R)
• M15: 12,279,292 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.9 AU - 2.64 AU

Year: 2281 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,344,468 km

• M1: 112,498 km (0.106 R)
• M2: 422,165 km (0.117 R)
• M3: 782,696 km (0.094 R)
• M4: 1,108,520 km (0.109 R)
• M5: 1,435,990 km (0.05 R)
• M6: 1,837,810 km (0.091 R)
• M7: 2,962,038 km (0.056 R)
• M8: 4,248,280 km (0.093 R)
• M9: 5,600,944 km (0.065 R)
• M10: 5,936,791 km (0.069 R)
• M11: 6,557,323 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 12.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.8 AU - 4.12 AU

Year: 4292 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,344,468 km

• M1: 155,731 km (0.076 R)
• M2: 671,246 km (0.091 R)
• M3: 1,179,130 km (0.106 R)
• M4: 1,648,868 km (0.093 R)
• M5: 2,304,705 km (0.068 R)
• M6: 2,763,821 km (0.087 R)
• M7: 4,049,016 km (0.112 R)
• M8: 4,523,391 km (0.107 R)
• M9: 5,584,638 km (0.078 R)
• M10: 6,936,255 km (0.048 R)
• M11: 8,196,019 km (0.08 R)
• M12: 8,609,806 km (0.103 R)
• M13: 9,317,255 km (0.118 R)
• M14: 10,148,420 km (0.079 R)
• M15: 10,759,228 km (0.066 R)
• M16: 12,054,297 km (0.101 R)
• M17: 13,041,344 km (0.1 R)
• M18: 15,232,205 km (0.1 R)
• M19: 16,623,166 km (0.089 R)
• M20: 19,192,509 km (0.114 R)
• M21: 22,818,612 km (0.04 R)
• M22: 25,106,113 km (0.092 R)
• M23: 27,710,462 km (0.074 R)
• M24: 29,078,086 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 11.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.22 AU - 4.62 AU

Year: 6197 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,344,468 km

• M1: 147,952 km (0.05 R)
• M2: 538,253 km (0.102 R)
• M3: 987,496 km (0.077 R)
• M4: 1,506,151 km (0.117 R)
• M5: 2,218,686 km (0.078 R)
• M6: 3,045,663 km (0.037 R)
• M7: 4,438,120 km (0.093 R)
• M8: 5,658,091 km (0.093 R)
• M9: 6,477,438 km (0.12 R)
• M10: 7,266,567 km (0.11 R)
• M11: 7,666,143 km (0.065 R)
• M12: 8,080,379 km (0.093 R)
• M13: 9,329,073 km (0.113 R)
• M14: 9,758,120 km (0.116 R)
• M15: 10,655,856 km (0.102 R)
• M16: 12,615,888 km (0.094 R)
• M17: 16,668,344 km (0.067 R)
• M18: 17,429,947 km (0.097 R)
• M19: 18,347,431 km (0.102 R)
• M20: 22,114,754 km (0.104 R)
• M21: 22,648,220 km (0.109 R)
• M22: 23,190,064 km (0.108 R)
• M23: 23,819,871 km (0.08 R)
• M24: 25,196,321 km (0.098 R)
• M25: 25,946,105 km (0.094 R)
• M26: 26,539,560 km (0.101 R)
• M27: 28,107,196 km (0.118 R)
• M28: 32,784,523 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 11.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.61 AU - 4.65 AU

Year: 6644 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,344,468 km

• M1: 139,276 km (0.072 R)
• M2: 1,116,898 km (0.083 R)
• M3: 1,466,358 km (0.105 R)
• M4: 2,523,267 km (0.042 R)
• M5: 3,118,368 km (0.082 R)
• M6: 4,702,609 km (0.041 R)
• M7: 6,375,712 km (0.07 R)
• M8: 7,025,415 km (0.113 R)
• M9: 7,919,113 km (0.054 R)
• M10: 10,362,794 km (0.081 R)
• M11: 11,158,954 km (0.117 R)
• M12: 11,677,161 km (0.115 R)
• M13: 15,255,542 km (0.111 R)
• M14: 16,683,903 km (0.073 R)
• M15: 17,847,325 km (0.071 R)
• M16: 22,063,292 km (0.076 R)
• M17: 23,463,977 km (0.089 R)
• M18: 27,084,994 km (0.091 R)
• M19: 30,357,447 km (0.104 R)
• M20: 32,505,373 km (0.077 R)
• M21: 33,884,666 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.1

Radius: 3.4

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.72 AU - 9.64 AU

Year: 15601 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,344,468 km

• M1: 42,336 km (0.079 R)
• M2: 156,031 km (0.117 R)
• M3: 348,713 km (0.045 R)
• M4: 604,226 km (0.11 R)
• M5: 1,699,581 km (0.1 R)
• M6: 1,947,016 km (0.1 R)
• M7: 2,130,722 km (0.092 R)
• M8: 2,792,843 km (0.116 R)
• M9: 3,026,664 km (0.077 R)
• M10: 3,806,967 km (0.081 R)
• M11: 3,935,770 km (0.044 R)
• M12: 4,148,199 km (0.087 R)
• M13: 6,599,061 km (0.105 R)
• M14: 6,860,858 km (0.078 R)
• M15: 7,207,476 km (0.094 R)
• M16: 7,444,888 km (0.098 R)
• M17: 9,209,694 km (0.108 R)
• M18: 9,871,066 km (0.081 R)
• M19: 15,410,077 km (0.114 R)
• M20: 17,096,045 km (0.11 R)
• M21: 25,252,121 km (0.078 R)
• M22: 26,541,505 km (0.054 R)
• M23: 36,123,248 km (0.12 R)
• M24: 36,817,831 km (0.118 R)
• M25: 38,473,132 km (0.107 R)
• M26: 39,076,161 km (0.085 R)
• M27: 39,562,952 km (0.114 R)
• M28: 40,797,883 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 13,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit