🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.8

Radius: 8.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,108,182 km

• M1: 102,774 km (0.053 R)
• M2: 369,507 km (0.06 R)
• M3: 1,006,794 km (0.09 R)
• M4: 1,376,600 km (0.085 R)
• M5: 2,233,945 km (0.114 R)
• M6: 2,610,782 km (0.08 R)
• M7: 2,963,085 km (0.075 R)
• M8: 3,686,391 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351

Radius: 13

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.93 AU - 1.25 AU

Year: 759 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,108,182 km

• M1: 161,715 km (0.074 R)
• M2: 575,353 km (0.112 R)
• M3: 1,272,479 km (0.045 R)
• M4: 2,013,887 km (0.097 R)
• M5: 2,805,708 km (0.088 R)
• M6: 4,169,293 km (0.041 R)
• M7: 5,475,132 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.6

Radius: 14.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.1 AU - 1.18 AU

Year: 812 Days

Day: 8.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,108,182 km

• M1: 176,675 km (0.044 R)
• M2: 701,464 km (0.069 R)
• M3: 1,284,747 km (0.107 R)
• M4: 2,142,690 km (0.067 R)
• M5: 2,822,613 km (0.096 R)
• M6: 3,424,295 km (0.047 R)
• M7: 4,249,776 km (0.097 R)
• M8: 4,769,180 km (0.053 R)
• M9: 5,496,824 km (0.049 R)
• M10: 6,736,991 km (0.075 R)
• M11: 7,492,310 km (0.055 R)
• M12: 8,279,045 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 9.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.76 AU - 1.9 AU

Year: 1651 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,108,182 km

• M1: 118,182 km (0.11 R)
• M2: 484,996 km (0.115 R)
• M3: 800,199 km (0.066 R)
• M4: 1,293,872 km (0.083 R)
• M5: 1,632,861 km (0.067 R)
• M6: 2,051,436 km (0.057 R)
• M7: 2,425,729 km (0.113 R)
• M8: 3,441,649 km (0.097 R)
• M9: 4,053,803 km (0.085 R)
• M10: 5,239,965 km (0.104 R)
• M11: 6,050,336 km (0.101 R)
• M12: 7,106,946 km (0.068 R)
• M13: 7,517,891 km (0.115 R)
• M14: 9,209,395 km (0.07 R)
• M15: 10,234,888 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 9.7

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.7 AU - 2.64 AU

Year: 2132 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,108,182 km

• M1: 145,110 km (0.089 R)
• M2: 484,248 km (0.112 R)
• M3: 865,124 km (0.11 R)
• M4: 1,392,607 km (0.101 R)
• M5: 2,004,163 km (0.12 R)
• M6: 2,514,291 km (0.113 R)
• M7: 2,998,540 km (0.099 R)
• M8: 4,599,237 km (0.118 R)
• M9: 5,325,983 km (0.073 R)
• M10: 7,462,839 km (0.109 R)
• M11: 7,908,043 km (0.054 R)
• M12: 13,559,850 km (0.101 R)
• M13: 13,911,256 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 13

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.92 AU - 3.42 AU

Year: 3764 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,108,182 km

• M1: 161,715 km (0.084 R)
• M2: 681,119 km (0.096 R)
• M3: 1,301,053 km (0.117 R)
• M4: 1,914,703 km (0.102 R)
• M5: 2,996,146 km (0.079 R)
• M6: 3,752,214 km (0.049 R)
• M7: 4,295,104 km (0.098 R)
• M8: 5,644,776 km (0.119 R)
• M9: 7,260,284 km (0.104 R)
• M10: 7,873,037 km (0.093 R)
• M11: 8,380,922 km (0.09 R)
• M12: 9,575,760 km (0.109 R)
• M13: 10,554,279 km (0.096 R)
• M14: 14,136,700 km (0.115 R)
• M15: 15,562,068 km (0.101 R)
• M16: 18,050,479 km (0.089 R)
• M17: 19,542,119 km (0.095 R)
• M18: 20,538,890 km (0.081 R)
• M19: 22,164,121 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 14.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.14 AU - 4.02 AU

Year: 4517 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,108,182 km

• M1: 176,226 km (0.089 R)
• M2: 702,661 km (0.108 R)
• M3: 1,207,404 km (0.077 R)
• M4: 1,675,347 km (0.075 R)
• M5: 2,325,948 km (0.107 R)
• M6: 2,925,835 km (0.083 R)
• M7: 3,793,802 km (0.116 R)
• M8: 4,440,214 km (0.118 R)
• M9: 5,264,349 km (0.076 R)
• M10: 5,983,765 km (0.119 R)
• M11: 12,602,573 km (0.118 R)
• M12: 14,622,294 km (0.079 R)
• M13: 15,377,764 km (0.079 R)
• M14: 16,045,868 km (0.108 R)
• M15: 17,084,376 km (0.098 R)
• M16: 18,600,401 km (0.103 R)
• M17: 19,811,396 km (0.044 R)
• M18: 21,829,620 km (0.09 R)
• M19: 23,104,494 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.5

Radius: 4.6

Gravity: 31.64 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.16 AU - 8.1 AU

Year: 11384 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,108,182 km

• M1: 57,146 km (0.113 R)
• M2: 239,207 km (0.106 R)
• M3: 477,965 km (0.086 R)
• M4: 764,445 km (0.064 R)
• M5: 1,723,068 km (0.094 R)
• M6: 2,702,635 km (0.098 R)
• M7: 3,225,779 km (0.114 R)
• M8: 4,561,089 km (0.086 R)
• M9: 7,383,553 km (0.1 R)
• M10: 7,553,645 km (0.079 R)
• M11: 7,769,814 km (0.092 R)
• M12: 8,260,046 km (0.066 R)
• M13: 8,818,196 km (0.045 R)
• M14: 9,155,090 km (0.049 R)
• M15: 10,914,810 km (0.083 R)
• M16: 12,403,907 km (0.108 R)
• M17: 12,584,023 km (0.074 R)
• M18: 12,765,785 km (0.098 R)
• M19: 13,259,308 km (0.113 R)
• M20: 15,292,044 km (0.118 R)
• M21: 15,989,768 km (0.116 R)
• M22: 17,902,676 km (0.085 R)
• M23: 18,755,983 km (0.088 R)
• M24: 23,068,889 km (0.117 R)
• M25: 30,109,115 km (0.116 R)
• M26: 31,313,976 km (0.109 R)
• M27: 32,097,270 km (0.119 R)
• M28: 34,762,656 km (0.102 R)
• M29: 35,361,047 km (0.094 R)
• M30: 37,197,361 km (0.068 R)
• M31: 37,949,240 km (0.087 R)
• M32: 41,861,673 km (0.068 R)
• M33: 42,811,769 km (0.059 R)
• M34: 43,637,549 km (0.098 R)
• M35: 43,915,053 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.4

Radius: 7.9

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.64 AU - 8.98 AU

Year: 13180 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,108,182 km

• M1: 98,286 km (0.027 R)
• M2: 381,026 km (0.098 R)
• M3: 765,492 km (0.049 R)
• M4: 1,120,488 km (0.043 R)
• M5: 1,439,281 km (0.071 R)
• M6: 1,801,906 km (0.087 R)
• M7: 2,584,004 km (0.099 R)
• M8: 3,004,823 km (0.1 R)
• M9: 3,654,078 km (0.109 R)
• M10: 4,303,482 km (0.112 R)
• M11: 5,829,979 km (0.064 R)
• M12: 9,855,508 km (0.086 R)
• M13: 10,387,627 km (0.064 R)
• M14: 10,715,995 km (0.098 R)
• M15: 12,219,603 km (0.083 R)
• M16: 16,290,311 km (0.118 R)
• M17: 29,298,294 km (0.109 R)
• M18: 29,844,326 km (0.097 R)
• M19: 30,175,237 km (0.038 R)
• M20: 30,508,691 km (0.115 R)
• M21: 34,946,661 km (0.064 R)
• M22: 35,437,492 km (0.119 R)
• M23: 37,064,368 km (0.119 R)
• M24: 40,466,673 km (0.105 R)
• M25: 41,007,918 km (0.12 R)
• M26: 45,805,073 km (0.1 R)
• M27: 46,098,285 km (0.115 R)
• M28: 46,540,646 km (0.055 R)
• M29: 53,519,386 km (0.073 R)

Asteroid Belt

Center: 8.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260

Radius: 3.2

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.69 AU - 9.87 AU

Year: 17349 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,108,182 km

• M1: 40,840 km (0.049 R)
• M2: 812,765 km (0.095 R)
• M3: 2,060,262 km (0.069 R)
• M4: 2,575,926 km (0.032 R)
• M5: 3,055,686 km (0.099 R)
• M6: 3,490,567 km (0.096 R)
• M7: 3,670,384 km (0.046 R)
• M8: 3,775,850 km (0.113 R)
• M9: 8,599,185 km (0.093 R)
• M10: 9,459,223 km (0.073 R)
• M11: 9,910,111 km (0.045 R)
• M12: 13,042,242 km (0.098 R)
• M13: 14,368,875 km (0.115 R)
• M14: 18,035,669 km (0.087 R)
• M15: 26,061,295 km (0.099 R)
• M16: 28,051,845 km (0.114 R)
• M17: 30,034,615 km (0.03 R)
• M18: 30,141,428 km (0.118 R)
• M19: 36,783,573 km (0.071 R)
• M20: 37,521,689 km (0.088 R)
• M21: 45,735,809 km (0.116 R)
• M22: 46,303,533 km (0.081 R)
• M23: 46,589,115 km (0.036 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: 473 - 12,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit