🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.8

Radius: 8.8

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 13.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,662,986 km

• M1: 109,506 km (0.084 R)
• M2: 452,085 km (0.09 R)
• M3: 962,064 km (0.088 R)
• M4: 1,245,402 km (0.11 R)
• M5: 1,558,211 km (0.077 R)
• M6: 2,178,594 km (0.06 R)
• M7: 2,579,815 km (0.034 R)
• M8: 3,354,433 km (0.051 R)
• M9: 4,034,505 km (0.098 R)
• M10: 4,773,967 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254

Radius: 10.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.66 AU - 0.96 AU

Year: 494 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,662,986 km

• M1: 133,292 km (0.092 R)
• M2: 469,289 km (0.08 R)
• M3: 819,198 km (0.065 R)
• M4: 2,174,255 km (0.038 R)
• M5: 2,518,929 km (0.098 R)
• M6: 3,596,183 km (0.108 R)
• M7: 4,245,588 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 13

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.49 AU - 3.67 AU

Year: 3666 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,662,986 km

• M1: 178,171 km (0.091 R)
• M2: 681,867 km (0.082 R)
• M3: 1,339,051 km (0.104 R)
• M4: 1,806,245 km (0.114 R)
• M5: 2,368,134 km (0.045 R)
• M6: 3,725,885 km (0.089 R)
• M7: 4,256,508 km (0.113 R)
• M8: 4,910,550 km (0.107 R)
• M9: 5,417,986 km (0.088 R)
• M10: 6,245,113 km (0.089 R)
• M11: 7,186,532 km (0.089 R)
• M12: 7,641,609 km (0.082 R)
• M13: 9,658,787 km (0.107 R)
• M14: 11,740,890 km (0.114 R)
• M15: 12,605,565 km (0.103 R)
• M16: 13,173,289 km (0.117 R)
• M17: 14,513,237 km (0.107 R)
• M18: 16,606,411 km (0.104 R)
• M19: 17,872,308 km (0.101 R)
• M20: 18,771,690 km (0.096 R)
• M21: 20,921,861 km (0.114 R)
• M22: 21,718,469 km (0.086 R)
• M23: 23,443,183 km (0.086 R)
• M24: 24,013,899 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 10.5

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.89 AU - 4.57 AU

Year: 4886 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,662,986 km

• M1: 130,749 km (0.04 R)
• M2: 543,788 km (0.052 R)
• M3: 1,191,098 km (0.094 R)
• M4: 1,895,106 km (0.08 R)
• M5: 3,310,601 km (0.067 R)
• M6: 4,313,206 km (0.093 R)
• M7: 4,750,929 km (0.077 R)
• M8: 7,047,256 km (0.055 R)
• M9: 9,912,804 km (0.12 R)
• M10: 11,676,114 km (0.05 R)
• M11: 12,632,194 km (0.062 R)
• M12: 14,191,004 km (0.046 R)
• M13: 15,279,478 km (0.03 R)
• M14: 16,484,339 km (0.066 R)
• M15: 21,348,963 km (0.096 R)
• M16: 22,243,259 km (0.076 R)
• M17: 27,965,078 km (0.079 R)
• M18: 29,307,270 km (0.117 R)
• M19: 31,353,021 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 12.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.54 AU - 4.55 AU

Year: 5508 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,662,986 km

• M1: 156,629 km (0.073 R)
• M2: 567,874 km (0.115 R)
• M3: 1,097,600 km (0.081 R)
• M4: 2,128,628 km (0.034 R)
• M5: 2,820,967 km (0.117 R)
• M6: 3,927,393 km (0.105 R)
• M7: 4,529,225 km (0.066 R)
• M8: 5,247,744 km (0.055 R)
• M9: 5,708,655 km (0.11 R)
• M10: 6,386,483 km (0.061 R)
• M11: 7,256,095 km (0.119 R)
• M12: 7,829,504 km (0.064 R)
• M13: 8,667,252 km (0.064 R)
• M14: 10,838,964 km (0.119 R)
• M15: 11,541,476 km (0.069 R)
• M16: 12,125,207 km (0.059 R)
• M17: 12,728,535 km (0.052 R)
• M18: 14,885,587 km (0.081 R)
• M19: 16,110,793 km (0.09 R)
• M20: 18,170,307 km (0.114 R)
• M21: 19,027,952 km (0.054 R)
• M22: 19,774,595 km (0.104 R)
• M23: 23,494,196 km (0.099 R)
• M24: 24,831,152 km (0.118 R)
• M25: 26,218,224 km (0.111 R)
• M26: 26,719,975 km (0.098 R)
• M27: 30,047,780 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.5

Radius: 7.4

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.29 AU - 7.89 AU

Year: 12804 Days

Day: 24.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,662,986 km

• M1: 99,034 km (0.114 R)
• M2: 335,249 km (0.059 R)
• M3: 907,610 km (0.12 R)
• M4: 1,183,768 km (0.066 R)
• M5: 1,771,837 km (0.114 R)
• M6: 2,694,856 km (0.112 R)
• M7: 3,198,253 km (0.076 R)
• M8: 3,650,188 km (0.096 R)
• M9: 5,336,156 km (0.052 R)
• M10: 7,128,787 km (0.11 R)
• M11: 7,852,991 km (0.083 R)
• M12: 8,876,838 km (0.086 R)
• M13: 9,394,447 km (0.083 R)
• M14: 9,931,952 km (0.038 R)
• M15: 10,776,582 km (0.1 R)
• M16: 12,289,315 km (0.115 R)
• M17: 12,867,062 km (0.109 R)
• M18: 13,129,457 km (0.071 R)
• M19: 13,665,167 km (0.05 R)
• M20: 14,145,825 km (0.106 R)
• M21: 14,780,270 km (0.113 R)
• M22: 19,161,393 km (0.091 R)
• M23: 20,378,222 km (0.076 R)
• M24: 24,839,978 km (0.113 R)
• M25: 25,349,958 km (0.075 R)
• M26: 26,496,326 km (0.114 R)
• M27: 32,024,865 km (0.032 R)
• M28: 33,735,217 km (0.085 R)
• M29: 33,984,447 km (0.096 R)
• M30: 38,411,198 km (0.101 R)
• M31: 40,200,688 km (0.102 R)
• M32: 47,134,100 km (0.081 R)
• M33: 49,183,591 km (0.032 R)
• M34: 50,636,934 km (0.114 R)
• M35: 51,456,581 km (0.099 R)
• M36: 53,290,801 km (0.045 R)
• M37: 59,054,657 km (0.109 R)
• M38: 61,064,504 km (0.087 R)
• M39: 62,179,906 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.6

Radius: 5.2

Gravity: 30.01 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.9 AU - 8.68 AU

Year: 13350 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,662,986 km

• M1: 64,626 km (0.077 R)
• M2: 263,741 km (0.049 R)
• M3: 447,298 km (0.051 R)
• M4: 617,540 km (0.105 R)
• M5: 783,294 km (0.118 R)
• M6: 1,657,844 km (0.056 R)
• M7: 2,192,955 km (0.081 R)
• M8: 2,457,893 km (0.091 R)
• M9: 2,676,007 km (0.097 R)
• M10: 4,392,193 km (0.04 R)
• M11: 5,625,329 km (0.054 R)
• M12: 6,005,158 km (0.034 R)
• M13: 8,852,604 km (0.112 R)
• M14: 9,577,405 km (0.119 R)
• M15: 10,910,622 km (0.072 R)
• M16: 11,203,235 km (0.117 R)
• M17: 13,333,658 km (0.083 R)
• M18: 16,625,410 km (0.086 R)
• M19: 19,809,451 km (0.037 R)
• M20: 21,407,306 km (0.082 R)
• M21: 25,876,991 km (0.074 R)
• M22: 28,328,750 km (0.083 R)
• M23: 32,229,964 km (0.089 R)
• M24: 37,790,517 km (0.111 R)
• M25: 43,225,258 km (0.087 R)
• M26: 47,123,928 km (0.11 R)
• M27: 49,317,332 km (0.11 R)
• M28: 49,795,895 km (0.093 R)
• M29: 51,087,673 km (0.109 R)
• M30: 53,906,246 km (0.06 R)
• M31: 56,130,318 km (0.069 R)
• M32: 58,059,532 km (0.115 R)
• M33: 58,236,955 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.6

Radius: 6.6

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.2 AU - 7.64 AU

Year: 13709 Days

Day: 16.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,662,986 km

• M1: 84,672 km (0.083 R)
• M2: 309,817 km (0.095 R)
• M3: 817,852 km (0.076 R)
• M4: 1,204,861 km (0.111 R)
• M5: 1,755,830 km (0.083 R)
• M6: 2,171,114 km (0.079 R)
• M7: 2,671,220 km (0.03 R)
• M8: 3,344,709 km (0.112 R)
• M9: 4,125,909 km (0.04 R)
• M10: 4,731,481 km (0.025 R)
• M11: 5,089,020 km (0.119 R)
• M12: 7,028,258 km (0.102 R)
• M13: 7,537,339 km (0.077 R)
• M14: 8,486,986 km (0.119 R)
• M15: 11,065,455 km (0.101 R)
• M16: 11,291,797 km (0.062 R)
• M17: 12,168,740 km (0.092 R)
• M18: 12,964,750 km (0.1 R)
• M19: 15,349,789 km (0.096 R)
• M20: 15,631,631 km (0.082 R)
• M21: 19,207,319 km (0.099 R)
• M22: 23,853,081 km (0.081 R)
• M23: 25,097,287 km (0.076 R)
• M24: 31,403,735 km (0.084 R)
• M25: 35,653,212 km (0.086 R)
• M26: 39,606,934 km (0.073 R)
• M27: 43,140,286 km (0.077 R)
• M28: 44,410,821 km (0.082 R)
• M29: 44,839,867 km (0.05 R)
• M30: 47,026,390 km (0.109 R)
• M31: 50,050,810 km (0.079 R)
• M32: 50,982,805 km (0.117 R)
• M33: 51,768,343 km (0.029 R)
• M34: 53,524,772 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 16,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit