🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 10.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.86 AU - 0.9 AU

Year: 570 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,042,354 km

• M1: 130,599 km (0.098 R)
• M2: 528,080 km (0.116 R)
• M3: 1,134,251 km (0.117 R)
• M4: 1,560,455 km (0.108 R)
• M5: 1,902,885 km (0.109 R)
• M6: 2,553,785 km (0.089 R)
• M7: 3,081,716 km (0.115 R)
• M8: 3,774,653 km (0.111 R)
• M9: 4,416,428 km (0.052 R)
• M10: 4,771,723 km (0.111 R)
• M11: 5,112,806 km (0.097 R)
• M12: 5,917,344 km (0.088 R)
• M13: 6,604,148 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.6

Radius: 13.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.94 AU - 1.08 AU

Year: 701 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,042,354 km

• M1: 167,998 km (0.051 R)
• M2: 817,104 km (0.086 R)
• M3: 1,645,726 km (0.053 R)
• M4: 2,221,080 km (0.08 R)
• M5: 3,131,383 km (0.061 R)
• M6: 3,997,853 km (0.106 R)
• M7: 4,939,273 km (0.039 R)
• M8: 6,151,165 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 10

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.1 AU - 1.16 AU

Year: 829 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,042,354 km

• M1: 124,316 km (0.059 R)
• M2: 437,873 km (0.104 R)
• M3: 757,713 km (0.064 R)
• M4: 1,185,713 km (0.1 R)
• M5: 1,524,851 km (0.106 R)
• M6: 2,058,018 km (0.039 R)
• M7: 3,207,827 km (0.107 R)
• M8: 3,580,625 km (0.056 R)
• M9: 4,462,056 km (0.112 R)
• M10: 6,545,505 km (0.107 R)
• M11: 7,060,122 km (0.083 R)
• M12: 7,509,364 km (0.111 R)
• M13: 8,194,672 km (0.104 R)

Asteroid Belt

Center: 2.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 10.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.39 AU - 3.71 AU

Year: 3677 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,042,354 km

• M1: 134,339 km (0.043 R)
• M2: 616,642 km (0.073 R)
• M3: 1,047,035 km (0.101 R)
• M4: 1,919,341 km (0.074 R)
• M5: 4,805,981 km (0.114 R)
• M6: 6,193,202 km (0.044 R)
• M7: 8,606,515 km (0.067 R)
• M8: 10,213,795 km (0.083 R)
• M9: 10,603,946 km (0.044 R)
• M10: 10,970,311 km (0.041 R)
• M11: 11,518,288 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.7

Radius: 9.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.11 AU - 3.17 AU

Year: 3841 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,042,354 km

• M1: 116,986 km (0.062 R)
• M2: 701,315 km (0.107 R)
• M3: 1,055,563 km (0.098 R)
• M4: 1,657,395 km (0.084 R)
• M5: 2,569,343 km (0.109 R)
• M6: 3,375,676 km (0.094 R)
• M7: 3,805,620 km (0.071 R)
• M8: 4,271,917 km (0.117 R)
• M9: 4,603,725 km (0.025 R)
• M10: 5,400,034 km (0.087 R)
• M11: 6,106,884 km (0.117 R)
• M12: 9,130,556 km (0.095 R)
• M13: 10,898,654 km (0.107 R)
• M14: 14,937,048 km (0.091 R)
• M15: 20,269,913 km (0.113 R)
• M16: 21,760,506 km (0.104 R)
• M17: 26,038,706 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 14.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.56 AU - 3.8 AU

Year: 3914 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,042,354 km

• M1: 180,265 km (0.056 R)
• M2: 741,257 km (0.102 R)
• M3: 1,787,246 km (0.053 R)
• M4: 2,815,582 km (0.096 R)
• M5: 3,642,559 km (0.116 R)
• M6: 4,709,042 km (0.057 R)
• M7: 5,805,295 km (0.1 R)
• M8: 6,349,981 km (0.052 R)
• M9: 6,956,002 km (0.101 R)
• M10: 7,514,151 km (0.052 R)
• M11: 8,977,069 km (0.117 R)
• M12: 11,100,910 km (0.059 R)
• M13: 12,180,707 km (0.045 R)
• M14: 12,705,347 km (0.05 R)
• M15: 13,161,022 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 11.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.26 AU - 3.4 AU

Year: 4194 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,042,354 km

• M1: 144,362 km (0.115 R)
• M2: 653,443 km (0.09 R)
• M3: 1,247,796 km (0.113 R)
• M4: 1,775,727 km (0.047 R)
• M5: 2,198,341 km (0.055 R)
• M6: 2,838,769 km (0.084 R)
• M7: 3,345,158 km (0.083 R)
• M8: 4,780,849 km (0.047 R)
• M9: 5,209,746 km (0.106 R)
• M10: 6,000,969 km (0.11 R)
• M11: 6,410,867 km (0.11 R)
• M12: 7,891,138 km (0.108 R)
• M13: 8,565,076 km (0.11 R)
• M14: 11,605,653 km (0.077 R)
• M15: 12,197,462 km (0.072 R)
• M16: 13,740,564 km (0.094 R)
• M17: 17,682,319 km (0.113 R)
• M18: 19,782,224 km (0.082 R)
• M19: 20,892,390 km (0.095 R)
• M20: 21,293,911 km (0.097 R)
• M21: 22,320,451 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.7

Radius: 3.2

Gravity: 76.63 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.83 AU - 7.55 AU

Year: 10630 Days

Day: 21.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,042,354 km

• M1: 39,793 km (0.088 R)
• M2: 162,613 km (0.063 R)
• M3: 354,547 km (0.107 R)
• M4: 482,902 km (0.078 R)
• M5: 743,501 km (0.086 R)
• M6: 1,352,814 km (0.08 R)
• M7: 1,550,133 km (0.114 R)
• M8: 2,091,528 km (0.075 R)
• M9: 2,258,778 km (0.116 R)
• M10: 4,046,922 km (0.06 R)
• M11: 4,956,925 km (0.063 R)
• M12: 5,390,460 km (0.028 R)
• M13: 6,603,998 km (0.108 R)
• M14: 8,489,829 km (0.098 R)
• M15: 9,011,925 km (0.105 R)
• M16: 9,860,295 km (0.106 R)
• M17: 10,436,845 km (0.119 R)
• M18: 11,314,985 km (0.086 R)
• M19: 13,468,745 km (0.091 R)
• M20: 16,453,223 km (0.069 R)
• M21: 17,113,548 km (0.083 R)
• M22: 19,442,338 km (0.087 R)
• M23: 19,932,121 km (0.104 R)
• M24: 20,682,205 km (0.093 R)
• M25: 21,364,521 km (0.073 R)
• M26: 21,711,289 km (0.072 R)
• M27: 22,061,796 km (0.079 R)
• M28: 22,684,124 km (0.098 R)
• M29: 26,466,706 km (0.045 R)
• M30: 28,297,933 km (0.053 R)
• M31: 31,534,782 km (0.056 R)
• M32: 32,551,898 km (0.108 R)
• M33: 37,840,632 km (0.097 R)
• M34: 38,859,842 km (0.088 R)
• M35: 39,897,303 km (0.047 R)
• M36: 44,936,358 km (0.076 R)
• M37: 46,367,561 km (0.082 R)
• M38: 49,170,127 km (0.066 R)
• M39: 51,460,770 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.6

Radius: 3.5

Gravity: 57.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.03 AU - 7.05 AU

Year: 11545 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,042,354 km

• M1: 43,683 km (0.103 R)
• M2: 256,860 km (0.061 R)
• M3: 449,392 km (0.114 R)
• M4: 563,685 km (0.084 R)
• M5: 934,089 km (0.033 R)
• M6: 1,476,681 km (0.107 R)
• M7: 1,702,573 km (0.117 R)
• M8: 2,166,776 km (0.059 R)
• M9: 3,339,623 km (0.105 R)
• M10: 5,142,876 km (0.069 R)
• M11: 6,211,902 km (0.061 R)
• M12: 7,636,672 km (0.03 R)
• M13: 8,308,965 km (0.111 R)
• M14: 8,683,109 km (0.072 R)
• M15: 10,615,465 km (0.057 R)
• M16: 11,111,831 km (0.115 R)
• M17: 13,315,557 km (0.094 R)
• M18: 14,755,137 km (0.099 R)
• M19: 16,295,098 km (0.099 R)
• M20: 16,659,518 km (0.12 R)
• M21: 21,639,332 km (0.089 R)
• M22: 23,251,698 km (0.109 R)
• M23: 36,091,683 km (0.082 R)
• M24: 36,214,802 km (0.095 R)
• M25: 40,438,548 km (0.108 R)
• M26: 42,052,410 km (0.069 R)
• M27: 45,407,890 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.3

Radius: 7.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.72 AU - 8.94 AU

Year: 18111 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,042,354 km

• M1: 91,105 km (0.106 R)
• M2: 364,570 km (0.109 R)
• M3: 757,713 km (0.118 R)
• M4: 1,608,327 km (0.104 R)
• M5: 2,202,529 km (0.064 R)
• M6: 5,644,926 km (0.103 R)
• M7: 6,500,027 km (0.025 R)
• M8: 7,394,174 km (0.069 R)
• M9: 9,216,575 km (0.049 R)
• M10: 10,623,693 km (0.093 R)
• M11: 12,106,656 km (0.073 R)
• M12: 13,722,463 km (0.107 R)
• M13: 14,687,669 km (0.047 R)
• M14: 16,294,649 km (0.12 R)
• M15: 16,675,525 km (0.047 R)
• M16: 17,534,516 km (0.087 R)
• M17: 19,255,939 km (0.043 R)
• M18: 20,907,649 km (0.067 R)
• M19: 22,935,747 km (0.072 R)
• M20: 23,899,606 km (0.112 R)
• M21: 24,689,782 km (0.06 R)
• M22: 25,192,581 km (0.105 R)
• M23: 25,804,735 km (0.119 R)
• M24: 27,378,654 km (0.118 R)
• M25: 30,142,325 km (0.069 R)
• M26: 32,482,934 km (0.092 R)
• M27: 32,965,237 km (0.11 R)
• M28: 37,258,995 km (0.097 R)
• M29: 39,539,465 km (0.067 R)
• M30: 41,769,371 km (0.074 R)
• M31: 42,482,953 km (0.088 R)
• M32: 43,059,802 km (0.114 R)
• M33: 46,022,139 km (0.11 R)
• M34: 49,434,616 km (0.069 R)
• M35: 52,349,082 km (0.074 R)
• M36: 53,345,554 km (0.113 R)
• M37: 55,719,672 km (0.093 R)
• M38: 60,495,434 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 12,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit