🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 9.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.68 AU - 0.94 AU

Year: 503 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,706,204 km

• M1: 125,064 km (0.091 R)
• M2: 570,267 km (0.075 R)
• M3: 914,492 km (0.108 R)
• M4: 1,432,549 km (0.094 R)
• M5: 2,180,389 km (0.095 R)
• M6: 2,879,460 km (0.082 R)
• M7: 3,419,957 km (0.037 R)
• M8: 3,770,764 km (0.092 R)
• M9: 4,574,104 km (0.117 R)
• M10: 5,001,356 km (0.115 R)
• M11: 5,487,399 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.2

Radius: 10.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.91 AU - 1.27 AU

Year: 786 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,706,204 km

• M1: 125,662 km (0.104 R)
• M2: 706,850 km (0.102 R)
• M3: 1,102,387 km (0.109 R)
• M4: 1,863,989 km (0.114 R)
• M5: 2,318,019 km (0.076 R)
• M6: 2,676,605 km (0.101 R)
• M7: 3,506,724 km (0.09 R)
• M8: 4,123,366 km (0.032 R)
• M9: 4,828,271 km (0.104 R)
• M10: 5,191,345 km (0.075 R)
• M11: 5,870,669 km (0.06 R)
• M12: 6,242,420 km (0.063 R)
• M13: 7,791,805 km (0.086 R)
• M14: 8,165,501 km (0.043 R)
• M15: 9,057,104 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.9

Radius: 8

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.98 AU - 1.54 AU

Year: 976 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,706,204 km

• M1: 99,483 km (0.063 R)
• M2: 352,303 km (0.032 R)
• M3: 634,145 km (0.034 R)
• M4: 892,052 km (0.078 R)
• M5: 1,186,610 km (0.12 R)
• M6: 1,440,029 km (0.097 R)
• M7: 2,069,537 km (0.085 R)
• M8: 2,327,593 km (0.101 R)
• M9: 3,015,145 km (0.053 R)
• M10: 3,421,154 km (0.106 R)
• M11: 3,768,670 km (0.075 R)
• M12: 4,750,929 km (0.065 R)
• M13: 6,417,449 km (0.072 R)
• M14: 6,736,691 km (0.101 R)
• M15: 7,733,163 km (0.061 R)
• M16: 8,741,452 km (0.111 R)
• M17: 9,363,929 km (0.079 R)
• M18: 10,198,536 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.2

Radius: 11

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.11 AU - 1.61 AU

Year: 1095 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,706,204 km

• M1: 140,472 km (0.045 R)
• M2: 514,018 km (0.106 R)
• M3: 910,303 km (0.099 R)
• M4: 2,109,629 km (0.107 R)
• M5: 2,473,152 km (0.096 R)
• M6: 2,878,562 km (0.108 R)
• M7: 3,555,193 km (0.054 R)
• M8: 4,006,829 km (0.045 R)
• M9: 5,085,280 km (0.103 R)
• M10: 8,075,891 km (0.114 R)
• M11: 8,659,323 km (0.063 R)
• M12: 9,910,410 km (0.11 R)
• M13: 11,008,608 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.3

Radius: 8.7

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2 AU - 2.38 AU

Year: 2237 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,706,204 km

• M1: 108,159 km (0.059 R)
• M2: 633,996 km (0.095 R)
• M3: 923,767 km (0.041 R)
• M4: 1,269,488 km (0.072 R)
• M5: 1,648,569 km (0.101 R)
• M6: 2,906,836 km (0.088 R)
• M7: 3,294,594 km (0.069 R)
• M8: 3,735,010 km (0.112 R)
• M9: 4,056,496 km (0.115 R)
• M10: 4,798,800 km (0.077 R)
• M11: 5,088,272 km (0.084 R)
• M12: 5,800,957 km (0.108 R)
• M13: 6,233,444 km (0.117 R)
• M14: 6,578,566 km (0.085 R)
• M15: 10,031,285 km (0.074 R)
• M16: 10,767,905 km (0.114 R)
• M17: 11,304,513 km (0.1 R)
• M18: 12,682,309 km (0.117 R)
• M19: 14,813,331 km (0.112 R)
• M20: 15,429,375 km (0.077 R)
• M21: 17,069,566 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 13

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.91 AU - 4.73 AU

Year: 5154 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,706,204 km

• M1: 161,715 km (0.116 R)
• M2: 587,471 km (0.093 R)
• M3: 1,580,950 km (0.104 R)
• M4: 2,227,662 km (0.041 R)
• M5: 3,806,667 km (0.119 R)
• M6: 4,978,318 km (0.105 R)
• M7: 6,035,676 km (0.114 R)
• M8: 6,504,964 km (0.096 R)
• M9: 9,351,812 km (0.064 R)
• M10: 11,468,472 km (0.086 R)
• M11: 12,740,054 km (0.104 R)
• M12: 16,689,886 km (0.095 R)
• M13: 17,367,266 km (0.099 R)
• M14: 23,694,956 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.7

Radius: 3.9

Gravity: 65.53 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.24 AU - 6.56 AU

Year: 9892 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,706,204 km

• M1: 48,919 km (0.119 R)
• M2: 435,779 km (0.115 R)
• M3: 730,038 km (0.069 R)
• M4: 1,097,151 km (0.087 R)
• M5: 1,716,486 km (0.06 R)
• M6: 1,967,062 km (0.117 R)
• M7: 2,110,527 km (0.093 R)
• M8: 2,260,873 km (0.092 R)
• M9: 3,627,449 km (0.079 R)
• M10: 4,302,136 km (0.082 R)
• M11: 4,637,833 km (0.075 R)
• M12: 5,822,499 km (0.06 R)
• M13: 6,986,969 km (0.108 R)
• M14: 7,711,621 km (0.095 R)
• M15: 8,721,855 km (0.115 R)
• M16: 8,866,217 km (0.087 R)
• M17: 9,408,958 km (0.091 R)
• M18: 10,025,900 km (0.097 R)
• M19: 11,743,882 km (0.099 R)
• M20: 13,519,908 km (0.098 R)
• M21: 15,257,636 km (0.058 R)
• M22: 16,252,313 km (0.115 R)
• M23: 17,593,757 km (0.029 R)
• M24: 17,978,971 km (0.117 R)
• M25: 20,664,403 km (0.091 R)
• M26: 22,146,918 km (0.083 R)
• M27: 24,548,861 km (0.112 R)
• M28: 28,680,305 km (0.083 R)
• M29: 31,077,162 km (0.099 R)
• M30: 31,526,854 km (0.11 R)
• M31: 37,392,736 km (0.027 R)
• M32: 38,157,480 km (0.115 R)
• M33: 42,550,571 km (0.057 R)
• M34: 43,383,831 km (0.108 R)
• M35: 47,565,541 km (0.054 R)
• M36: 49,677,115 km (0.116 R)
• M37: 50,446,048 km (0.09 R)
• M38: 53,601,665 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.4

Radius: 5.3

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.49 AU - 6.45 AU

Year: 10069 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,706,204 km

• M1: 81,830 km (0.096 R)
• M2: 890,107 km (0.109 R)
• M3: 1,411,456 km (0.076 R)
• M4: 2,337,916 km (0.041 R)
• M5: 2,555,880 km (0.115 R)
• M6: 4,995,223 km (0.07 R)
• M7: 6,135,906 km (0.064 R)
• M8: 7,714,014 km (0.11 R)
• M9: 8,116,432 km (0.118 R)
• M10: 8,703,305 km (0.092 R)
• M11: 13,568,676 km (0.083 R)
• M12: 16,339,528 km (0.112 R)
• M13: 16,802,085 km (0.088 R)
• M14: 18,031,181 km (0.057 R)
• M15: 24,480,196 km (0.104 R)
• M16: 24,998,403 km (0.106 R)
• M17: 33,673,733 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.2

Radius: 5.7

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.63 AU - 8.85 AU

Year: 14864 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,706,204 km

• M1: 74,201 km (0.105 R)
• M2: 342,878 km (0.101 R)
• M3: 598,541 km (0.102 R)
• M4: 830,268 km (0.112 R)
• M5: 1,437,336 km (0.082 R)
• M6: 1,731,296 km (0.086 R)
• M7: 2,047,097 km (0.064 R)
• M8: 2,520,425 km (0.089 R)
• M9: 3,110,289 km (0.12 R)
• M10: 3,552,052 km (0.116 R)
• M11: 5,162,772 km (0.067 R)
• M12: 7,457,603 km (0.114 R)
• M13: 7,977,755 km (0.039 R)
• M14: 8,898,081 km (0.081 R)
• M15: 9,483,159 km (0.102 R)
• M16: 9,734,333 km (0.115 R)
• M17: 10,302,656 km (0.036 R)
• M18: 11,168,379 km (0.051 R)
• M19: 12,258,349 km (0.117 R)
• M20: 13,543,394 km (0.083 R)
• M21: 14,915,805 km (0.039 R)
• M22: 18,396,050 km (0.03 R)
• M23: 19,747,966 km (0.081 R)
• M24: 20,994,715 km (0.076 R)
• M25: 22,029,334 km (0.034 R)
• M26: 30,894,503 km (0.114 R)
• M27: 35,740,876 km (0.09 R)
• M28: 38,470,888 km (0.093 R)
• M29: 43,370,218 km (0.098 R)
• M30: 45,469,525 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 18,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit