🌌 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: 923.9

Radius: 11.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.63 AU - 0.91 AU

Year: 430 Days

Day: 10.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,455,628 km

• M1: 144,362 km (0.079 R)
• M2: 563,086 km (0.118 R)
• M3: 928,704 km (0.107 R)
• M4: 1,339,200 km (0.103 R)
• M5: 1,778,419 km (0.055 R)
• M6: 2,168,122 km (0.075 R)
• M7: 2,534,936 km (0.082 R)
• M8: 2,899,656 km (0.092 R)
• M9: 3,420,855 km (0.115 R)
• M10: 4,031,363 km (0.112 R)
• M11: 5,303,095 km (0.12 R)
• M12: 5,923,627 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 11.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.72 AU - 0.9 AU

Year: 464 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,455,628 km

• M1: 139,276 km (0.115 R)
• M2: 493,075 km (0.11 R)
• M3: 868,715 km (0.109 R)
• M4: 1,624,034 km (0.116 R)
• M5: 2,311,736 km (0.102 R)
• M6: 2,682,290 km (0.102 R)
• M7: 3,325,561 km (0.105 R)
• M8: 4,509,927 km (0.096 R)
• M9: 5,046,235 km (0.117 R)
• M10: 5,505,351 km (0.088 R)
• M11: 5,974,490 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 12.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.89 AU - 1.23 AU

Year: 694 Days

Day: 12.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,455,628 km

• M1: 150,495 km (0.113 R)
• M2: 676,631 km (0.107 R)
• M3: 1,073,664 km (0.068 R)
• M4: 1,495,380 km (0.107 R)
• M5: 1,917,845 km (0.096 R)
• M6: 2,614,073 km (0.066 R)
• M7: 3,080,519 km (0.101 R)
• M8: 5,069,423 km (0.111 R)
• M9: 5,461,070 km (0.03 R)
• M10: 6,171,959 km (0.112 R)
• M11: 6,599,660 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.4

Radius: 8.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.07 AU - 1.37 AU

Year: 857 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,455,628 km

• M1: 112,348 km (0.064 R)
• M2: 408,851 km (0.057 R)
• M3: 742,155 km (0.063 R)
• M4: 1,129,015 km (0.117 R)
• M5: 1,437,636 km (0.119 R)
• M6: 1,728,454 km (0.073 R)
• M7: 2,590,736 km (0.037 R)
• M8: 3,014,247 km (0.091 R)
• M9: 3,378,070 km (0.12 R)
• M10: 3,799,188 km (0.076 R)
• M11: 4,504,242 km (0.106 R)
• M12: 4,981,160 km (0.108 R)
• M13: 5,329,424 km (0.064 R)
• M14: 6,055,572 km (0.11 R)
• M15: 6,534,136 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 10.5

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.82 AU - 2.04 AU

Year: 1705 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,455,628 km

• M1: 130,599 km (0.096 R)
• M2: 496,815 km (0.118 R)
• M3: 994,078 km (0.04 R)
• M4: 1,437,636 km (0.11 R)
• M5: 2,301,713 km (0.094 R)
• M6: 2,923,292 km (0.098 R)
• M7: 3,706,287 km (0.115 R)
• M8: 4,282,688 km (0.109 R)
• M9: 4,769,031 km (0.096 R)
• M10: 5,661,681 km (0.104 R)
• M11: 8,753,869 km (0.073 R)
• M12: 9,573,067 km (0.077 R)
• M13: 10,229,203 km (0.066 R)
• M14: 11,592,788 km (0.111 R)
• M15: 13,367,767 km (0.116 R)
• M16: 14,099,899 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 13.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.67 AU - 2.69 AU

Year: 2047 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,455,628 km

• M1: 173,982 km (0.054 R)
• M2: 722,707 km (0.065 R)
• M3: 1,161,029 km (0.096 R)
• M4: 1,597,855 km (0.102 R)
• M5: 2,110,078 km (0.119 R)
• M6: 2,659,252 km (0.091 R)
• M7: 3,654,078 km (0.072 R)
• M8: 4,148,199 km (0.056 R)
• M9: 5,730,646 km (0.1 R)
• M10: 6,347,737 km (0.117 R)
• M11: 6,980,536 km (0.113 R)
• M12: 8,698,667 km (0.054 R)
• M13: 11,501,084 km (0.094 R)
• M14: 12,151,386 km (0.11 R)
• M15: 13,216,673 km (0.078 R)
• M16: 14,389,520 km (0.11 R)
• M17: 15,581,665 km (0.116 R)
• M18: 16,176,915 km (0.085 R)
• M19: 17,254,918 km (0.099 R)
• M20: 18,162,378 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 13.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.13 AU - 2.29 AU

Year: 2089 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,455,628 km

• M1: 170,841 km (0.114 R)
• M2: 966,552 km (0.107 R)
• M3: 2,194,002 km (0.087 R)
• M4: 2,630,679 km (0.092 R)
• M5: 3,683,399 km (0.088 R)
• M6: 6,717,842 km (0.11 R)
• M7: 9,097,047 km (0.096 R)
• M8: 9,709,500 km (0.108 R)
• M9: 10,605,741 km (0.093 R)
• M10: 14,249,197 km (0.068 R)
• M11: 15,645,544 km (0.113 R)
• M12: 16,675,974 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.5

Radius: 5.1

Gravity: 16.82 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.91 AU - 7.33 AU

Year: 9626 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,455,628 km

• M1: 63,429 km (0.102 R)
• M2: 275,110 km (0.078 R)
• M3: 565,181 km (0.118 R)
• M4: 964,457 km (0.092 R)
• M5: 1,148,313 km (0.055 R)
• M6: 1,404,874 km (0.085 R)
• M7: 2,914,615 km (0.105 R)
• M8: 3,083,063 km (0.076 R)
• M9: 3,370,889 km (0.099 R)
• M10: 3,580,326 km (0.101 R)
• M11: 4,235,116 km (0.082 R)
• M12: 4,534,910 km (0.084 R)
• M13: 5,680,680 km (0.099 R)
• M14: 6,748,510 km (0.085 R)
• M15: 7,157,660 km (0.099 R)
• M16: 7,742,139 km (0.12 R)
• M17: 9,094,204 km (0.095 R)
• M18: 9,318,900 km (0.08 R)
• M19: 9,547,187 km (0.063 R)
• M20: 10,110,572 km (0.076 R)
• M21: 10,547,248 km (0.1 R)
• M22: 11,251,555 km (0.098 R)
• M23: 11,615,227 km (0.062 R)
• M24: 12,586,417 km (0.117 R)
• M25: 14,082,994 km (0.049 R)
• M26: 15,312,090 km (0.068 R)
• M27: 16,017,743 km (0.08 R)
• M28: 21,895,144 km (0.099 R)
• M29: 22,707,610 km (0.093 R)
• M30: 23,038,222 km (0.115 R)
• M31: 27,352,175 km (0.084 R)
• M32: 32,487,422 km (0.052 R)
• M33: 35,391,116 km (0.105 R)

Asteroid Belt

Center: 7.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.8

Radius: 4.7

Gravity: 28.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.3 AU - 10.6 AU

Year: 17024 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,455,628 km

• M1: 58,942 km (0.095 R)
• M2: 244,443 km (0.094 R)
• M3: 414,087 km (0.115 R)
• M4: 597,344 km (0.106 R)
• M5: 908,657 km (0.119 R)
• M6: 1,364,632 km (0.092 R)
• M7: 1,546,543 km (0.093 R)
• M8: 1,762,113 km (0.107 R)
• M9: 2,073,875 km (0.088 R)
• M10: 2,253,393 km (0.096 R)
• M11: 3,232,511 km (0.097 R)
• M12: 3,419,807 km (0.106 R)
• M13: 3,964,643 km (0.097 R)
• M14: 4,148,199 km (0.097 R)
• M15: 4,870,308 km (0.059 R)
• M16: 5,711,198 km (0.114 R)
• M17: 8,009,919 km (0.097 R)
• M18: 9,228,543 km (0.102 R)
• M19: 11,038,976 km (0.106 R)
• M20: 16,810,014 km (0.084 R)
• M21: 20,016,943 km (0.097 R)
• M22: 21,858,194 km (0.087 R)
• M23: 22,917,496 km (0.115 R)
• M24: 23,410,122 km (0.087 R)
• M25: 24,314,591 km (0.11 R)
• M26: 25,661,869 km (0.118 R)
• M27: 29,073,897 km (0.102 R)
• M28: 37,592,000 km (0.109 R)
• M29: 38,139,379 km (0.101 R)
• M30: 38,553,166 km (0.118 R)
• M31: 39,249,694 km (0.036 R)
• M32: 45,744,785 km (0.086 R)
• M33: 46,682,315 km (0.109 R)
• M34: 47,792,481 km (0.096 R)
• M35: 57,675,215 km (0.099 R)
• M36: 59,876,847 km (0.107 R)
• M37: 66,219,198 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.3

Radius: 3.3

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 9.14 AU - 12.46 AU

Year: 22567 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,455,628 km

• M1: 43,683 km (0.063 R)
• M2: 224,397 km (0.093 R)
• M3: 327,919 km (0.098 R)
• M4: 751,131 km (0.115 R)
• M5: 1,434,943 km (0.059 R)
• M6: 2,161,839 km (0.072 R)
• M7: 3,804,723 km (0.102 R)
• M8: 4,665,509 km (0.073 R)
• M9: 6,323,951 km (0.046 R)
• M10: 7,654,325 km (0.108 R)
• M11: 8,962,259 km (0.116 R)
• M12: 15,972,565 km (0.091 R)
• M13: 16,263,981 km (0.118 R)
• M14: 18,724,268 km (0.071 R)
• M15: 21,865,075 km (0.08 R)
• M16: 22,044,293 km (0.081 R)
• M17: 41,115,329 km (0.106 R)
• M18: 43,615,259 km (0.111 R)
• M19: 47,702,273 km (0.119 R)
• M20: 54,958,368 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 15,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit