🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.6

Radius: 8.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.91 AU - 1.05 AU

Year: 658 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,429,012 km

• M1: 104,419 km (0.092 R)
• M2: 403,615 km (0.091 R)
• M3: 708,346 km (0.095 R)
• M4: 1,028,037 km (0.112 R)
• M5: 1,745,957 km (0.107 R)
• M6: 2,098,409 km (0.096 R)
• M7: 2,410,321 km (0.112 R)
• M8: 2,680,046 km (0.038 R)
• M9: 3,082,464 km (0.073 R)
• M10: 3,860,672 km (0.11 R)
• M11: 4,492,574 km (0.062 R)
• M12: 4,779,353 km (0.038 R)
• M13: 5,644,627 km (0.072 R)
• M14: 6,142,040 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 12.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.15 AU - 1.83 AU

Year: 1234 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,429,012 km

• M1: 150,495 km (0.101 R)
• M2: 594,652 km (0.115 R)
• M3: 1,231,938 km (0.058 R)
• M4: 1,751,043 km (0.109 R)
• M5: 2,142,690 km (0.054 R)
• M6: 2,536,432 km (0.025 R)
• M7: 3,017,090 km (0.108 R)
• M8: 3,630,591 km (0.055 R)
• M9: 4,508,581 km (0.108 R)
• M10: 6,574,527 km (0.094 R)
• M11: 7,067,303 km (0.12 R)
• M12: 8,433,879 km (0.064 R)
• M13: 9,180,073 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 8.3

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.85 AU - 2.81 AU

Year: 2412 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,429,012 km

• M1: 103,223 km (0.097 R)
• M2: 390,600 km (0.097 R)
• M3: 743,053 km (0.104 R)
• M4: 1,400,984 km (0.094 R)
• M5: 1,758,523 km (0.068 R)
• M6: 2,757,986 km (0.098 R)
• M7: 4,171,088 km (0.054 R)
• M8: 4,604,473 km (0.098 R)
• M9: 5,288,285 km (0.093 R)
• M10: 5,631,313 km (0.099 R)
• M11: 8,495,214 km (0.088 R)
• M12: 11,400,405 km (0.048 R)
• M13: 12,287,820 km (0.096 R)
• M14: 12,728,236 km (0.091 R)
• M15: 13,345,626 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 8.7

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.32 AU - 2.76 AU

Year: 2746 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,429,012 km

• M1: 110,254 km (0.1 R)
• M2: 568,622 km (0.074 R)
• M3: 916,885 km (0.08 R)
• M4: 1,719,179 km (0.115 R)
• M5: 2,077,466 km (0.041 R)
• M6: 2,367,536 km (0.09 R)
• M7: 3,134,674 km (0.11 R)
• M8: 3,791,857 km (0.077 R)
• M9: 4,359,282 km (0.038 R)
• M10: 4,982,207 km (0.092 R)
• M11: 5,558,458 km (0.05 R)
• M12: 5,849,426 km (0.115 R)
• M13: 6,290,890 km (0.083 R)
• M14: 9,760,363 km (0.085 R)
• M15: 10,947,423 km (0.102 R)
• M16: 14,184,870 km (0.1 R)
• M17: 14,931,812 km (0.077 R)
• M18: 16,449,632 km (0.11 R)
• M19: 19,064,304 km (0.103 R)
• M20: 19,545,710 km (0.076 R)
• M21: 19,973,560 km (0.05 R)
• M22: 20,974,968 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 11.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.24 AU - 3.02 AU

Year: 2893 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,429,012 km

• M1: 142,268 km (0.112 R)
• M2: 1,413,550 km (0.106 R)
• M3: 2,303,358 km (0.099 R)
• M4: 3,594,687 km (0.07 R)
• M5: 4,191,433 km (0.085 R)
• M6: 4,778,306 km (0.085 R)
• M7: 5,964,318 km (0.099 R)
• M8: 6,778,878 km (0.094 R)
• M9: 9,343,733 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 8

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.99 AU - 3.07 AU

Year: 3577 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,429,012 km

• M1: 99,483 km (0.116 R)
• M2: 617,390 km (0.051 R)
• M3: 873,502 km (0.09 R)
• M4: 1,624,782 km (0.051 R)
• M5: 1,901,539 km (0.107 R)
• M6: 2,596,421 km (0.097 R)
• M7: 3,341,268 km (0.066 R)
• M8: 4,414,334 km (0.11 R)
• M9: 4,772,471 km (0.05 R)
• M10: 5,149,907 km (0.097 R)
• M11: 8,340,979 km (0.096 R)
• M12: 9,172,593 km (0.106 R)
• M13: 12,609,455 km (0.099 R)
• M14: 13,103,128 km (0.117 R)
• M15: 14,129,220 km (0.036 R)
• M16: 15,511,504 km (0.096 R)
• M17: 16,446,491 km (0.042 R)
• M18: 16,873,742 km (0.118 R)
• M19: 17,528,682 km (0.073 R)
• M20: 17,862,435 km (0.078 R)
• M21: 18,485,210 km (0.082 R)
• M22: 19,894,422 km (0.114 R)
• M23: 20,196,760 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 8

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.04 AU - 5.44 AU

Year: 6999 Days

Day: 6.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,429,012 km

• M1: 99,931 km (0.034 R)
• M2: 426,354 km (0.068 R)
• M3: 678,277 km (0.085 R)
• M4: 987,196 km (0.119 R)
• M5: 1,944,772 km (0.036 R)
• M6: 2,639,056 km (0.076 R)
• M7: 3,890,293 km (0.066 R)
• M8: 4,591,308 km (0.104 R)
• M9: 5,942,925 km (0.085 R)
• M10: 7,313,541 km (0.096 R)
• M11: 7,853,290 km (0.106 R)
• M12: 9,099,590 km (0.093 R)
• M13: 9,452,940 km (0.087 R)
• M14: 10,714,199 km (0.027 R)
• M15: 11,058,574 km (0.103 R)
• M16: 11,614,928 km (0.058 R)
• M17: 13,853,810 km (0.119 R)
• M18: 15,916,914 km (0.117 R)
• M19: 17,221,707 km (0.059 R)
• M20: 18,596,362 km (0.108 R)
• M21: 22,112,061 km (0.08 R)
• M22: 23,239,281 km (0.109 R)
• M23: 23,983,979 km (0.098 R)
• M24: 29,551,713 km (0.108 R)
• M25: 35,814,478 km (0.103 R)
• M26: 36,918,959 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666

Radius: 3.7

Gravity: 48.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.33 AU - 7.57 AU

Year: 11110 Days

Day: 23.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,429,012 km

• M1: 48,021 km (0.06 R)
• M2: 210,933 km (0.037 R)
• M3: 732,132 km (0.054 R)
• M4: 870,211 km (0.093 R)
• M5: 1,504,207 km (0.082 R)
• M6: 1,959,283 km (0.102 R)
• M7: 3,230,416 km (0.094 R)
• M8: 4,120,673 km (0.086 R)
• M9: 4,351,802 km (0.032 R)
• M10: 6,033,432 km (0.079 R)
• M11: 6,639,453 km (0.089 R)
• M12: 10,929,321 km (0.088 R)
• M13: 13,702,417 km (0.104 R)
• M14: 15,421,297 km (0.102 R)
• M15: 16,048,261 km (0.118 R)
• M16: 16,910,543 km (0.055 R)
• M17: 19,520,428 km (0.087 R)
• M18: 20,171,328 km (0.114 R)
• M19: 27,192,854 km (0.088 R)
• M20: 30,210,392 km (0.101 R)
• M21: 33,443,651 km (0.093 R)
• M22: 33,558,991 km (0.097 R)
• M23: 50,482,101 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.2

Radius: 4.8

Gravity: 40.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.97 AU - 7.91 AU

Year: 12400 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,429,012 km

• M1: 170,990 km (0.061 R)
• M2: 758,162 km (0.078 R)
• M3: 1,539,661 km (0.118 R)
• M4: 1,715,140 km (0.054 R)
• M5: 1,921,884 km (0.041 R)
• M6: 2,711,162 km (0.105 R)
• M7: 2,968,321 km (0.11 R)
• M8: 6,027,897 km (0.113 R)
• M9: 6,304,503 km (0.09 R)
• M10: 6,672,514 km (0.116 R)
• M11: 7,770,263 km (0.113 R)
• M12: 8,780,946 km (0.08 R)
• M13: 9,396,392 km (0.119 R)
• M14: 14,461,776 km (0.069 R)
• M15: 15,537,833 km (0.119 R)
• M16: 23,041,064 km (0.113 R)
• M17: 24,306,662 km (0.097 R)
• M18: 25,209,485 km (0.032 R)
• M19: 26,975,638 km (0.093 R)
• M20: 28,822,573 km (0.094 R)
• M21: 29,833,705 km (0.047 R)
• M22: 31,101,248 km (0.06 R)
• M23: 36,531,501 km (0.09 R)
• M24: 51,476,328 km (0.091 R)
• M25: 53,464,334 km (0.089 R)
• M26: 54,988,437 km (0.1 R)
• M27: 57,065,454 km (0.051 R)
• M28: 58,123,261 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.9

Radius: 4.5

Gravity: 37.72 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.89 AU - 10.81 AU

Year: 20967 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,429,012 km

• M1: 60,737 km (0.048 R)
• M2: 207,343 km (0.088 R)
• M3: 364,869 km (0.106 R)
• M4: 514,916 km (0.092 R)
• M5: 788,231 km (0.086 R)
• M6: 2,166,327 km (0.114 R)
• M7: 2,480,183 km (0.028 R)
• M8: 2,849,391 km (0.06 R)
• M9: 3,758,347 km (0.062 R)
• M10: 4,078,337 km (0.082 R)
• M11: 4,347,165 km (0.064 R)
• M12: 5,788,241 km (0.116 R)
• M13: 6,525,758 km (0.111 R)
• M14: 6,893,619 km (0.075 R)
• M15: 7,620,366 km (0.118 R)
• M16: 9,055,159 km (0.11 R)
• M17: 9,282,099 km (0.112 R)
• M18: 9,925,520 km (0.076 R)
• M19: 10,723,624 km (0.119 R)
• M20: 12,940,665 km (0.032 R)
• M21: 16,015,050 km (0.037 R)
• M22: 19,922,397 km (0.084 R)
• M23: 21,789,827 km (0.119 R)
• M24: 24,639,667 km (0.066 R)
• M25: 34,798,858 km (0.11 R)
• M26: 38,969,497 km (0.11 R)
• M27: 40,328,594 km (0.109 R)
• M28: 42,505,093 km (0.115 R)
• M29: 46,416,031 km (0.09 R)
• M30: 50,560,191 km (0.117 R)
• M31: 60,771,891 km (0.046 R)
• M32: 61,984,831 km (0.072 R)
• M33: 69,823,161 km (0.115 R)
• M34: 71,153,385 km (0.096 R)
• M35: 73,407,974 km (0.085 R)
• M36: 77,113,514 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 17,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit