🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 14.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.64 AU - 0.9 AU

Year: 436 Days

Day: 11.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,044,367 km

• M1: 178,021 km (0.094 R)
• M2: 731,384 km (0.054 R)
• M3: 1,324,390 km (0.111 R)
• M4: 1,851,124 km (0.087 R)
• M5: 2,441,138 km (0.111 R)
• M6: 2,986,721 km (0.1 R)
• M7: 3,639,118 km (0.102 R)
• M8: 4,370,801 km (0.102 R)
• M9: 4,833,956 km (0.105 R)
• M10: 5,297,261 km (0.057 R)
• M11: 5,790,036 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.6

Radius: 12

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.8 AU - 1.32 AU

Year: 705 Days

Day: 11.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,044,367 km

• M1: 149,747 km (0.107 R)
• M2: 630,405 km (0.114 R)
• M3: 1,090,269 km (0.105 R)
• M4: 1,574,518 km (0.091 R)
• M5: 2,097,661 km (0.119 R)
• M6: 3,045,065 km (0.068 R)
• M7: 4,025,080 km (0.096 R)
• M8: 4,920,723 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 9.4

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.45 AU - 2.89 AU

Year: 2817 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,044,367 km

• M1: 118,332 km (0.093 R)
• M2: 1,328,429 km (0.091 R)
• M3: 1,663,678 km (0.038 R)
• M4: 2,107,236 km (0.096 R)
• M5: 3,731,420 km (0.119 R)
• M6: 4,111,847 km (0.056 R)
• M7: 4,974,728 km (0.116 R)
• M8: 6,115,112 km (0.071 R)
• M9: 6,474,895 km (0.077 R)
• M10: 7,639,963 km (0.105 R)
• M11: 12,623,218 km (0.102 R)
• M12: 13,026,235 km (0.12 R)
• M13: 13,810,726 km (0.074 R)
• M14: 15,070,938 km (0.045 R)
• M15: 18,843,198 km (0.104 R)
• M16: 19,607,045 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 14

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.05 AU - 4.81 AU

Year: 5030 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,044,367 km

• M1: 174,132 km (0.04 R)
• M2: 709,393 km (0.109 R)
• M3: 1,173,595 km (0.075 R)
• M4: 1,836,463 km (0.119 R)
• M5: 3,777,047 km (0.117 R)
• M6: 4,267,728 km (0.112 R)
• M7: 5,572,221 km (0.107 R)
• M8: 6,181,234 km (0.06 R)
• M9: 7,128,039 km (0.094 R)
• M10: 8,841,683 km (0.08 R)
• M11: 10,002,263 km (0.086 R)
• M12: 12,238,303 km (0.104 R)
• M13: 14,790,293 km (0.065 R)
• M14: 16,133,382 km (0.118 R)
• M15: 17,986,900 km (0.076 R)
• M16: 19,255,789 km (0.115 R)
• M17: 20,993,518 km (0.051 R)
• M18: 22,543,801 km (0.101 R)
• M19: 24,625,754 km (0.12 R)
• M20: 25,321,384 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.08 AU - 4.68 AU

Year: 5919 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,044,367 km

• M1: 99,632 km (0.088 R)
• M2: 513,121 km (0.09 R)
• M3: 981,063 km (0.117 R)
• M4: 1,375,403 km (0.081 R)
• M5: 1,698,983 km (0.057 R)
• M6: 2,028,996 km (0.03 R)
• M7: 2,451,311 km (0.1 R)
• M8: 2,746,318 km (0.114 R)
• M9: 3,007,067 km (0.059 R)
• M10: 3,264,076 km (0.1 R)
• M11: 5,212,887 km (0.118 R)
• M12: 5,615,006 km (0.108 R)
• M13: 5,914,651 km (0.071 R)
• M14: 9,114,101 km (0.12 R)
• M15: 15,303,264 km (0.062 R)
• M16: 16,982,201 km (0.037 R)
• M17: 19,047,399 km (0.052 R)
• M18: 21,058,593 km (0.116 R)
• M19: 21,783,694 km (0.081 R)
• M20: 27,333,326 km (0.093 R)
• M21: 29,523,888 km (0.091 R)
• M22: 30,707,955 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.9

Radius: 7.7

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.15 AU - 9.29 AU

Year: 13850 Days

Day: 20.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,044,367 km

• M1: 95,892 km (0.114 R)
• M2: 517,010 km (0.1 R)
• M3: 798,404 km (0.07 R)
• M4: 1,159,533 km (0.106 R)
• M5: 1,582,745 km (0.095 R)
• M6: 2,016,729 km (0.108 R)
• M7: 2,548,250 km (0.12 R)
• M8: 3,491,166 km (0.118 R)
• M9: 4,027,773 km (0.06 R)
• M10: 4,525,934 km (0.107 R)
• M11: 6,156,252 km (0.08 R)
• M12: 8,143,958 km (0.097 R)
• M13: 9,184,412 km (0.061 R)
• M14: 10,471,103 km (0.069 R)
• M15: 11,242,130 km (0.051 R)
• M16: 12,228,429 km (0.071 R)
• M17: 15,323,908 km (0.091 R)
• M18: 16,100,321 km (0.082 R)
• M19: 17,427,254 km (0.08 R)
• M20: 18,117,499 km (0.097 R)
• M21: 22,020,507 km (0.088 R)
• M22: 23,283,263 km (0.087 R)
• M23: 27,258,677 km (0.075 R)
• M24: 29,675,730 km (0.059 R)
• M25: 31,214,793 km (0.07 R)
• M26: 36,646,392 km (0.09 R)
• M27: 38,288,378 km (0.096 R)
• M28: 44,776,438 km (0.037 R)
• M29: 46,651,946 km (0.115 R)
• M30: 50,404,759 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.1

Radius: 6.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.06 AU - 9.34 AU

Year: 15161 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,044,367 km

• M1: 83,326 km (0.109 R)
• M2: 523,593 km (0.101 R)
• M3: 809,324 km (0.109 R)
• M4: 2,616,916 km (0.116 R)
• M5: 5,570,726 km (0.068 R)
• M6: 6,257,230 km (0.064 R)
• M7: 7,486,177 km (0.067 R)
• M8: 9,085,228 km (0.09 R)
• M9: 15,663,795 km (0.055 R)
• M10: 17,699,223 km (0.042 R)
• M11: 23,837,523 km (0.103 R)
• M12: 30,366,423 km (0.114 R)
• M13: 32,989,622 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.4

Radius: 3.3

Gravity: 21.43 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.45 AU - 9.89 AU

Year: 16483 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,044,367 km

• M1: 41,139 km (0.034 R)
• M2: 158,424 km (0.11 R)
• M3: 990,637 km (0.119 R)
• M4: 2,255,188 km (0.106 R)
• M5: 2,502,473 km (0.108 R)
• M6: 2,961,589 km (0.071 R)
• M7: 4,613,898 km (0.063 R)
• M8: 6,911,571 km (0.119 R)
• M9: 8,150,391 km (0.071 R)
• M10: 9,578,452 km (0.11 R)
• M11: 10,687,571 km (0.103 R)
• M12: 11,004,270 km (0.047 R)
• M13: 12,334,045 km (0.096 R)
• M14: 13,459,919 km (0.119 R)
• M15: 14,395,803 km (0.067 R)
• M16: 15,440,894 km (0.091 R)
• M17: 16,257,249 km (0.082 R)
• M18: 19,969,371 km (0.098 R)
• M19: 22,966,415 km (0.117 R)
• M20: 23,849,192 km (0.092 R)
• M21: 26,059,650 km (0.064 R)
• M22: 26,345,232 km (0.031 R)
• M23: 35,098,204 km (0.108 R)
• M24: 39,932,758 km (0.075 R)
• M25: 45,742,691 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.7

Radius: 5.9

Gravity: 25.7 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.03 AU - 12.23 AU

Year: 20818 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 34,044,367 km

• M1: 77,641 km (0.093 R)
• M2: 312,660 km (0.118 R)
• M3: 605,123 km (0.074 R)
• M4: 1,455,587 km (0.034 R)
• M5: 1,753,287 km (0.061 R)
• M6: 2,424,233 km (0.103 R)
• M7: 2,741,082 km (0.07 R)
• M8: 4,831,114 km (0.037 R)
• M9: 6,262,316 km (0.077 R)
• M10: 6,579,314 km (0.077 R)
• M11: 10,551,437 km (0.098 R)
• M12: 11,663,697 km (0.091 R)
• M13: 12,005,379 km (0.119 R)
• M14: 14,585,792 km (0.106 R)
• M15: 15,549,352 km (0.083 R)
• M16: 16,299,436 km (0.08 R)
• M17: 17,961,618 km (0.079 R)
• M18: 20,911,090 km (0.044 R)
• M19: 22,238,471 km (0.077 R)
• M20: 24,947,539 km (0.108 R)
• M21: 25,974,379 km (0.115 R)
• M22: 26,206,256 km (0.066 R)
• M23: 28,602,365 km (0.101 R)
• M24: 30,750,740 km (0.06 R)
• M25: 31,010,292 km (0.101 R)
• M26: 31,533,885 km (0.086 R)
• M27: 32,196,753 km (0.049 R)
• M28: 35,507,803 km (0.098 R)
• M29: 37,688,491 km (0.111 R)
• M30: 38,585,330 km (0.109 R)
• M31: 48,524,014 km (0.049 R)
• M32: 66,535,149 km (0.098 R)
• M33: 70,287,961 km (0.106 R)
• M34: 73,482,624 km (0.098 R)
• M35: 85,168,611 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.8

Radius: 7.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.85 AU - 11.75 AU

Year: 24526 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,044,367 km

• M1: 132,394 km (0.107 R)
• M2: 745,596 km (0.078 R)
• M3: 1,225,506 km (0.075 R)
• M4: 3,396,769 km (0.105 R)
• M5: 5,262,105 km (0.114 R)
• M6: 5,990,946 km (0.031 R)
• M7: 6,614,320 km (0.102 R)
• M8: 11,489,864 km (0.096 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: 481 - 16,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit