🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 13.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.44 AU - 0.6 AU

Year: 254 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,915,969 km

• M1: 170,392 km (0.073 R)
• M2: 793,318 km (0.094 R)
• M3: 1,259,614 km (0.092 R)
• M4: 1,725,163 km (0.104 R)
• M5: 2,386,236 km (0.078 R)
• M6: 2,982,084 km (0.093 R)
• M7: 3,633,283 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 12.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.72 AU

Year: 355 Days

Day: 7.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,915,969 km

• M1: 160,519 km (0.114 R)
• M2: 588,817 km (0.117 R)
• M3: 1,252,134 km (0.097 R)
• M4: 1,745,957 km (0.102 R)
• M5: 2,224,969 km (0.057 R)
• M6: 2,730,909 km (0.104 R)
• M7: 3,186,883 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.1

Radius: 8.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.9 AU - 1.04 AU

Year: 648 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,915,969 km

• M1: 105,766 km (0.07 R)
• M2: 383,419 km (0.108 R)
• M3: 654,042 km (0.115 R)
• M4: 951,143 km (0.106 R)
• M5: 1,310,926 km (0.109 R)
• M6: 1,825,393 km (0.114 R)
• M7: 2,183,381 km (0.105 R)
• M8: 2,495,891 km (0.067 R)
• M9: 3,665,148 km (0.074 R)
• M10: 4,045,276 km (0.084 R)
• M11: 4,547,177 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 12.2

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.09 AU - 1.13 AU

Year: 793 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,915,969 km

• M1: 151,692 km (0.084 R)
• M2: 603,777 km (0.096 R)
• M3: 1,694,345 km (0.07 R)
• M4: 2,441,886 km (0.09 R)
• M5: 3,263,478 km (0.117 R)
• M6: 4,523,540 km (0.056 R)
• M7: 5,395,696 km (0.112 R)
• M8: 6,292,236 km (0.084 R)
• M9: 6,765,414 km (0.056 R)
• M10: 7,735,257 km (0.107 R)
• M11: 9,169,751 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.1

Radius: 14.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.56 AU - 1.74 AU

Year: 1438 Days

Day: 14.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,915,969 km

• M1: 179,966 km (0.111 R)
• M2: 1,209,349 km (0.112 R)
• M3: 1,906,176 km (0.11 R)
• M4: 2,617,963 km (0.117 R)
• M5: 3,191,970 km (0.101 R)
• M6: 4,414,184 km (0.113 R)
• M7: 5,132,853 km (0.11 R)
• M8: 5,583,890 km (0.099 R)
• M9: 6,732,951 km (0.053 R)
• M10: 7,453,564 km (0.075 R)
• M11: 8,061,231 km (0.044 R)
• M12: 9,078,945 km (0.074 R)
• M13: 9,527,440 km (0.053 R)
• M14: 11,063,660 km (0.049 R)
• M15: 11,506,919 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.2

Radius: 10.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.66 AU - 2.26 AU

Year: 1861 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,915,969 km

• M1: 126,560 km (0.08 R)
• M2: 489,783 km (0.073 R)
• M3: 941,719 km (0.082 R)
• M4: 1,408,464 km (0.064 R)
• M5: 1,746,705 km (0.091 R)
• M6: 2,129,226 km (0.076 R)
• M7: 3,403,651 km (0.088 R)
• M8: 3,989,925 km (0.049 R)
• M9: 4,481,503 km (0.06 R)
• M10: 6,746,864 km (0.1 R)
• M11: 7,521,332 km (0.108 R)
• M12: 9,509,039 km (0.083 R)
• M13: 10,140,492 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 10.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.53 AU - 4.89 AU

Year: 6933 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,915,969 km

• M1: 128,804 km (0.066 R)
• M2: 582,085 km (0.099 R)
• M3: 1,786,498 km (0.095 R)
• M4: 2,746,168 km (0.074 R)
• M5: 3,277,390 km (0.103 R)
• M6: 6,510,649 km (0.076 R)
• M7: 6,955,852 km (0.12 R)
• M8: 7,717,754 km (0.1 R)
• M9: 8,860,383 km (0.095 R)
• M10: 11,089,840 km (0.119 R)
• M11: 13,017,109 km (0.105 R)
• M12: 14,060,255 km (0.104 R)
• M13: 15,880,412 km (0.053 R)
• M14: 17,654,942 km (0.118 R)
• M15: 18,726,362 km (0.06 R)
• M16: 24,251,610 km (0.105 R)
• M17: 24,660,012 km (0.08 R)
• M18: 26,684,520 km (0.071 R)
• M19: 30,113,004 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.1

Radius: 4.5

Gravity: 26.57 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.39 AU - 7.55 AU

Year: 11162 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,915,969 km

• M1: 56,249 km (0.052 R)
• M2: 319,541 km (0.049 R)
• M3: 713,133 km (0.093 R)
• M4: 991,535 km (0.114 R)
• M5: 1,391,410 km (0.098 R)
• M6: 2,007,903 km (0.096 R)
• M7: 3,809,061 km (0.113 R)
• M8: 4,713,081 km (0.119 R)
• M9: 5,546,341 km (0.083 R)
• M10: 5,751,739 km (0.106 R)
• M11: 6,662,940 km (0.095 R)
• M12: 9,769,040 km (0.089 R)
• M13: 10,478,284 km (0.1 R)
• M14: 14,098,103 km (0.096 R)
• M15: 15,603,806 km (0.098 R)
• M16: 17,946,509 km (0.106 R)
• M17: 20,029,659 km (0.087 R)
• M18: 21,588,469 km (0.119 R)
• M19: 22,787,645 km (0.089 R)
• M20: 23,226,416 km (0.117 R)
• M21: 24,945,445 km (0.073 R)
• M22: 25,131,245 km (0.118 R)
• M23: 26,457,431 km (0.12 R)
• M24: 26,942,128 km (0.101 R)
• M25: 28,431,823 km (0.088 R)
• M26: 28,940,306 km (0.118 R)
• M27: 34,593,460 km (0.03 R)
• M28: 38,786,390 km (0.081 R)
• M29: 43,305,592 km (0.111 R)
• M30: 44,114,019 km (0.057 R)
• M31: 47,022,650 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.9

Radius: 4.3

Gravity: 25.85 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.81 AU - 11.25 AU

Year: 21545 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,915,969 km

• M1: 65,973 km (0.117 R)
• M2: 205,547 km (0.069 R)
• M3: 691,142 km (0.086 R)
• M4: 1,495,231 km (0.075 R)
• M5: 1,947,764 km (0.076 R)
• M6: 2,375,465 km (0.092 R)
• M7: 4,554,806 km (0.093 R)
• M8: 5,118,192 km (0.117 R)
• M9: 5,766,549 km (0.108 R)
• M10: 6,007,850 km (0.066 R)
• M11: 6,255,884 km (0.065 R)
• M12: 8,492,821 km (0.104 R)
• M13: 8,752,822 km (0.057 R)
• M14: 11,779,037 km (0.1 R)
• M15: 12,431,583 km (0.087 R)
• M16: 13,951,198 km (0.05 R)
• M17: 14,313,075 km (0.047 R)
• M18: 15,207,222 km (0.09 R)
• M19: 15,980,194 km (0.109 R)
• M20: 20,241,489 km (0.114 R)
• M21: 21,461,909 km (0.065 R)
• M22: 23,637,361 km (0.099 R)
• M23: 25,955,530 km (0.109 R)
• M24: 27,394,212 km (0.106 R)
• M25: 36,471,362 km (0.117 R)
• M26: 39,267,945 km (0.091 R)
• M27: 41,754,710 km (0.065 R)
• M28: 42,960,469 km (0.072 R)
• M29: 44,656,012 km (0.09 R)
• M30: 47,200,971 km (0.106 R)
• M31: 50,346,864 km (0.08 R)
• M32: 52,926,979 km (0.105 R)
• M33: 64,928,019 km (0.056 R)
• M34: 66,341,121 km (0.064 R)
• M35: 66,544,723 km (0.117 R)
• M36: 67,363,024 km (0.077 R)
• M37: 70,068,950 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 11,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit