🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 11.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.84 AU - 3.12 AU

Year: 2279 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,385,853 km

• M1: 141,819 km (0.096 R)
• M2: 531,820 km (0.118 R)
• M3: 992,432 km (0.102 R)
• M4: 1,424,621 km (0.083 R)
• M5: 2,683,337 km (0.097 R)
• M6: 3,232,361 km (0.058 R)
• M7: 3,855,137 km (0.114 R)
• M8: 4,671,642 km (0.095 R)
• M9: 5,889,818 km (0.108 R)
• M10: 6,427,622 km (0.062 R)
• M11: 7,628,893 km (0.093 R)
• M12: 8,528,575 km (0.086 R)
• M13: 8,944,008 km (0.109 R)
• M14: 10,205,567 km (0.092 R)
• M15: 12,579,386 km (0.118 R)
• M16: 13,196,627 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.7

Radius: 14.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.29 AU - 5.15 AU

Year: 3840 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,385,853 km

• M1: 175,329 km (0.113 R)
• M2: 636,240 km (0.082 R)
• M3: 1,317,808 km (0.091 R)
• M4: 2,190,861 km (0.093 R)
• M5: 2,637,261 km (0.084 R)
• M6: 3,199,450 km (0.083 R)
• M7: 4,498,408 km (0.115 R)
• M8: 6,124,537 km (0.049 R)
• M9: 6,745,667 km (0.073 R)
• M10: 9,013,122 km (0.103 R)
• M11: 9,779,063 km (0.088 R)
• M12: 10,505,062 km (0.078 R)
• M13: 13,043,887 km (0.067 R)
• M14: 13,924,271 km (0.104 R)
• M15: 17,205,102 km (0.114 R)
• M16: 22,800,062 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 13.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.46 AU - 5.08 AU

Year: 4614 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,385,853 km

• M1: 167,849 km (0.116 R)
• M2: 645,066 km (0.076 R)
• M3: 1,113,008 km (0.062 R)
• M4: 1,778,120 km (0.119 R)
• M5: 2,387,133 km (0.078 R)
• M6: 3,038,931 km (0.12 R)
• M7: 5,616,652 km (0.113 R)
• M8: 6,711,559 km (0.036 R)
• M9: 13,825,536 km (0.12 R)
• M10: 19,539,127 km (0.086 R)
• M11: 20,417,417 km (0.082 R)
• M12: 22,471,695 km (0.113 R)
• M13: 25,686,104 km (0.094 R)
• M14: 28,332,490 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 8.7

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.21 AU - 5.81 AU

Year: 4967 Days

Day: 5.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 154.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,385,853 km

• M1: 110,852 km (0.109 R)
• M2: 407,505 km (0.097 R)
• M3: 777,460 km (0.097 R)
• M4: 1,137,692 km (0.101 R)
• M5: 1,738,626 km (0.034 R)
• M6: 2,625,143 km (0.1 R)
• M7: 3,345,008 km (0.053 R)
• M8: 4,068,613 km (0.097 R)
• M9: 5,671,106 km (0.112 R)
• M10: 6,697,646 km (0.108 R)
• M11: 7,148,385 km (0.12 R)
• M12: 9,755,726 km (0.051 R)
• M13: 13,913,948 km (0.079 R)
• M14: 14,763,664 km (0.104 R)
• M15: 17,455,528 km (0.084 R)
• M16: 18,443,323 km (0.092 R)
• M17: 22,157,389 km (0.078 R)
• M18: 24,431,277 km (0.054 R)
• M19: 28,260,683 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 12.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.83 AU - 6.03 AU

Year: 5604 Days

Day: 13.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,385,853 km

• M1: 155,432 km (0.113 R)
• M2: 650,601 km (0.076 R)
• M3: 1,150,108 km (0.052 R)
• M4: 2,016,280 km (0.096 R)
• M5: 3,501,937 km (0.072 R)
• M6: 4,353,747 km (0.085 R)
• M7: 4,907,259 km (0.085 R)
• M8: 5,974,191 km (0.064 R)
• M9: 6,435,850 km (0.113 R)
• M10: 7,361,562 km (0.047 R)
• M11: 8,038,941 km (0.06 R)
• M12: 9,313,963 km (0.112 R)
• M13: 10,149,916 km (0.11 R)
• M14: 17,277,656 km (0.113 R)
• M15: 19,126,537 km (0.082 R)
• M16: 22,471,395 km (0.099 R)
• M17: 23,516,037 km (0.105 R)
• M18: 24,906,549 km (0.09 R)
• M19: 25,302,385 km (0.09 R)
• M20: 26,597,305 km (0.045 R)
• M21: 27,261,070 km (0.068 R)
• M22: 29,406,753 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 10.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.59 AU - 7.91 AU

Year: 9556 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,385,853 km

• M1: 134,339 km (0.11 R)
• M2: 513,420 km (0.088 R)
• M3: 972,835 km (0.106 R)
• M4: 1,377,348 km (0.08 R)
• M5: 3,016,940 km (0.071 R)
• M6: 3,674,572 km (0.084 R)
• M7: 4,480,755 km (0.051 R)
• M8: 7,895,925 km (0.067 R)
• M9: 9,557,210 km (0.059 R)
• M10: 10,224,416 km (0.08 R)
• M11: 11,974,113 km (0.093 R)
• M12: 14,278,369 km (0.096 R)
• M13: 17,346,322 km (0.061 R)
• M14: 21,065,475 km (0.109 R)
• M15: 24,751,417 km (0.081 R)
• M16: 30,037,158 km (0.096 R)
• M17: 30,644,675 km (0.106 R)
• M18: 34,463,161 km (0.032 R)
• M19: 39,546,945 km (0.096 R)
• M20: 42,266,934 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 9.9

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.83 AU - 9.01 AU

Year: 9872 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,385,853 km

• M1: 123,119 km (0.119 R)
• M2: 624,272 km (0.111 R)
• M3: 1,462,918 km (0.099 R)
• M4: 1,927,868 km (0.092 R)
• M5: 2,334,774 km (0.094 R)
• M6: 2,929,426 km (0.077 R)
• M7: 3,275,146 km (0.055 R)
• M8: 4,049,166 km (0.082 R)
• M9: 4,569,467 km (0.081 R)
• M10: 6,401,742 km (0.072 R)
• M11: 8,961,212 km (0.036 R)
• M12: 9,445,759 km (0.038 R)
• M13: 10,309,687 km (0.115 R)
• M14: 11,392,476 km (0.054 R)
• M15: 13,719,471 km (0.09 R)
• M16: 16,204,292 km (0.111 R)
• M17: 16,778,598 km (0.117 R)
• M18: 17,740,662 km (0.086 R)
• M19: 20,931,884 km (0.077 R)
• M20: 21,270,573 km (0.071 R)
• M21: 24,486,778 km (0.066 R)
• M22: 25,530,821 km (0.1 R)
• M23: 27,809,347 km (0.068 R)
• M24: 28,632,733 km (0.107 R)
• M25: 31,420,938 km (0.117 R)
• M26: 32,201,540 km (0.084 R)
• M27: 33,109,300 km (0.115 R)
• M28: 35,573,476 km (0.081 R)
• M29: 37,406,798 km (0.103 R)
• M30: 39,045,792 km (0.097 R)
• M31: 41,393,581 km (0.085 R)
• M32: 48,406,580 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.4

Radius: 3.7

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.54 AU - 12.16 AU

Year: 15830 Days

Day: 18.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,385,853 km

• M1: 47,123 km (0.072 R)
• M2: 173,982 km (0.081 R)
• M3: 522,545 km (0.095 R)
• M4: 801,097 km (0.103 R)
• M5: 974,032 km (0.075 R)
• M6: 1,206,956 km (0.106 R)
• M7: 1,676,394 km (0.115 R)
• M8: 1,814,772 km (0.104 R)
• M9: 2,079,710 km (0.07 R)
• M10: 3,451,522 km (0.105 R)
• M11: 4,734,324 km (0.103 R)
• M12: 5,498,320 km (0.115 R)
• M13: 6,793,389 km (0.082 R)
• M14: 6,988,016 km (0.093 R)
• M15: 7,388,489 km (0.116 R)
• M16: 9,333,411 km (0.111 R)
• M17: 9,622,733 km (0.046 R)
• M18: 12,098,429 km (0.064 R)
• M19: 12,558,292 km (0.09 R)
• M20: 14,514,584 km (0.059 R)
• M21: 20,596,036 km (0.086 R)
• M22: 22,173,995 km (0.039 R)
• M23: 24,009,860 km (0.081 R)
• M24: 25,755,817 km (0.04 R)
• M25: 34,723,162 km (0.094 R)
• M26: 39,647,176 km (0.043 R)
• M27: 40,404,739 km (0.104 R)
• M28: 42,866,971 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.1

Radius: 3.9

Gravity: 25.84 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.98 AU - 13.24 AU

Year: 19834 Days

Day: 17.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,385,853 km

• M1: 48,470 km (0.106 R)
• M2: 346,469 km (0.099 R)
• M3: 500,255 km (0.092 R)
• M4: 793,168 km (0.054 R)
• M5: 1,018,462 km (0.037 R)
• M6: 2,165,728 km (0.117 R)
• M7: 2,326,995 km (0.076 R)
• M8: 2,561,864 km (0.051 R)
• M9: 3,335,434 km (0.061 R)
• M10: 3,634,031 km (0.12 R)
• M11: 4,253,367 km (0.054 R)
• M12: 4,871,804 km (0.099 R)
• M13: 5,292,025 km (0.108 R)
• M14: 6,997,141 km (0.106 R)
• M15: 8,481,601 km (0.102 R)
• M16: 10,731,702 km (0.076 R)
• M17: 11,380,808 km (0.086 R)
• M18: 12,244,287 km (0.119 R)
• M19: 12,692,033 km (0.108 R)
• M20: 13,216,972 km (0.102 R)
• M21: 13,417,433 km (0.086 R)
• M22: 16,986,838 km (0.102 R)
• M23: 19,286,307 km (0.116 R)
• M24: 21,415,384 km (0.09 R)
• M25: 23,597,867 km (0.115 R)
• M26: 23,794,439 km (0.112 R)
• M27: 25,612,502 km (0.119 R)
• M28: 28,288,209 km (0.088 R)
• M29: 29,408,697 km (0.054 R)
• M30: 31,499,627 km (0.1 R)
• M31: 31,737,936 km (0.092 R)
• M32: 33,687,496 km (0.119 R)
• M33: 35,457,538 km (0.115 R)
• M34: 41,565,768 km (0.066 R)
• M35: 43,305,592 km (0.094 R)
• M36: 44,641,800 km (0.114 R)
• M37: 53,748,421 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.7

Radius: 4.4

Gravity: 27.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 11.86 AU - 16.64 AU

Year: 23826 Days

Day: 17.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 78,385,853 km

• M1: 54,753 km (0.089 R)
• M2: 226,790 km (0.096 R)
• M3: 460,313 km (0.082 R)
• M4: 790,625 km (0.099 R)
• M5: 2,233,795 km (0.077 R)
• M6: 3,327,505 km (0.087 R)
• M7: 3,648,692 km (0.074 R)
• M8: 3,832,548 km (0.071 R)
• M9: 4,218,660 km (0.063 R)
• M10: 5,693,845 km (0.083 R)
• M11: 6,067,839 km (0.101 R)
• M12: 6,772,894 km (0.107 R)
• M13: 7,629,491 km (0.067 R)
• M14: 8,502,694 km (0.036 R)
• M15: 8,663,512 km (0.093 R)
• M16: 9,270,281 km (0.102 R)
• M17: 9,787,441 km (0.119 R)
• M18: 11,324,858 km (0.09 R)
• M19: 11,650,533 km (0.073 R)
• M20: 11,915,620 km (0.045 R)
• M21: 13,158,330 km (0.067 R)
• M22: 15,656,464 km (0.08 R)
• M23: 16,471,773 km (0.117 R)
• M24: 17,314,906 km (0.076 R)
• M25: 18,098,051 km (0.08 R)
• M26: 20,492,664 km (0.079 R)
• M27: 21,368,410 km (0.091 R)
• M28: 23,825,406 km (0.116 R)
• M29: 25,564,032 km (0.03 R)
• M30: 27,153,210 km (0.107 R)
• M31: 27,971,959 km (0.045 R)
• M32: 28,447,232 km (0.117 R)
• M33: 34,169,500 km (0.109 R)
• M34: 35,399,045 km (0.065 R)
• M35: 37,084,115 km (0.077 R)
• M36: 37,369,997 km (0.055 R)
• M37: 37,513,611 km (0.104 R)
• M38: 38,821,844 km (0.083 R)
• M39: 39,116,702 km (0.089 R)
• M40: 41,683,053 km (0.081 R)
• M41: 43,086,132 km (0.055 R)
• M42: 51,992,590 km (0.109 R)
• M43: 70,445,637 km (0.119 R)
• M44: 74,685,839 km (0.092 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: 160 - 13,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit