🌌 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: 694

Radius: 8.2

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,997,314 km

• M1: 102,325 km (0.082 R)
• M2: 363,523 km (0.086 R)
• M3: 673,789 km (0.099 R)
• M4: 1,013,226 km (0.119 R)
• M5: 1,309,131 km (0.053 R)
• M6: 1,669,662 km (0.068 R)
• M7: 2,087,788 km (0.051 R)
• M8: 2,392,369 km (0.086 R)
• M9: 2,697,698 km (0.089 R)
• M10: 2,976,998 km (0.087 R)
• M11: 3,501,189 km (0.082 R)
• M12: 3,797,692 km (0.102 R)
• M13: 4,162,860 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 12.1

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.52 AU - 0.78 AU

Year: 362 Days

Day: 12.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,997,314 km

• M1: 150,495 km (0.072 R)
• M2: 534,214 km (0.03 R)
• M3: 1,187,358 km (0.117 R)
• M4: 1,996,234 km (0.047 R)
• M5: 2,608,239 km (0.098 R)
• M6: 3,016,491 km (0.116 R)
• M7: 3,502,385 km (0.082 R)
• M8: 4,675,532 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.4

Radius: 10.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.72 AU - 0.8 AU

Year: 457 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 111.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,997,314 km

• M1: 125,662 km (0.098 R)
• M2: 455,825 km (0.079 R)
• M3: 875,746 km (0.089 R)
• M4: 1,381,536 km (0.097 R)
• M5: 2,082,702 km (0.113 R)
• M6: 2,399,101 km (0.09 R)
• M7: 2,835,328 km (0.099 R)
• M8: 4,041,536 km (0.071 R)
• M9: 4,566,026 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 9.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.16 AU - 1.3 AU

Year: 942 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,997,314 km

• M1: 122,521 km (0.095 R)
• M2: 492,925 km (0.108 R)
• M3: 900,729 km (0.031 R)
• M4: 1,295,817 km (0.059 R)
• M5: 1,652,458 km (0.056 R)
• M6: 2,026,453 km (0.103 R)
• M7: 2,717,894 km (0.055 R)
• M8: 3,151,279 km (0.087 R)
• M9: 4,683,610 km (0.045 R)
• M10: 5,928,713 km (0.109 R)
• M11: 6,531,144 km (0.087 R)
• M12: 7,037,682 km (0.114 R)
• M13: 7,834,141 km (0.104 R)
• M14: 8,926,056 km (0.106 R)

Asteroid Belt

Center: 1.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 11.3

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.67 AU - 1.91 AU

Year: 1653 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,997,314 km

• M1: 140,472 km (0.117 R)
• M2: 678,426 km (0.068 R)
• M3: 1,233,734 km (0.112 R)
• M4: 1,744,760 km (0.071 R)
• M5: 2,306,650 km (0.105 R)
• M6: 3,504,929 km (0.092 R)
• M7: 4,009,672 km (0.035 R)
• M8: 4,805,981 km (0.074 R)
• M9: 5,408,113 km (0.108 R)
• M10: 5,844,938 km (0.116 R)
• M11: 6,380,200 km (0.047 R)
• M12: 9,930,007 km (0.052 R)
• M13: 11,272,798 km (0.111 R)
• M14: 13,425,811 km (0.102 R)
• M15: 14,665,079 km (0.042 R)
• M16: 15,020,075 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 13.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.96 AU - 2.68 AU

Year: 2439 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,997,314 km

• M1: 166,502 km (0.045 R)
• M2: 613,650 km (0.079 R)
• M3: 1,107,024 km (0.097 R)
• M4: 1,599,949 km (0.117 R)
• M5: 2,443,532 km (0.119 R)
• M6: 4,223,597 km (0.098 R)
• M7: 5,483,061 km (0.118 R)
• M8: 6,721,881 km (0.117 R)
• M9: 7,392,678 km (0.105 R)
• M10: 8,698,967 km (0.11 R)
• M11: 9,178,577 km (0.061 R)
• M12: 9,894,553 km (0.093 R)
• M13: 16,094,637 km (0.049 R)
• M14: 17,243,249 km (0.108 R)
• M15: 19,412,568 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 9.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.31 AU - 2.87 AU

Year: 2877 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,997,314 km

• M1: 126,410 km (0.093 R)
• M2: 499,806 km (0.115 R)
• M3: 848,669 km (0.111 R)
• M4: 1,425,967 km (0.102 R)
• M5: 1,797,867 km (0.115 R)
• M6: 3,578,979 km (0.08 R)
• M7: 4,155,081 km (0.108 R)
• M8: 4,496,613 km (0.118 R)
• M9: 5,328,377 km (0.1 R)
• M10: 6,105,388 km (0.081 R)
• M11: 7,555,889 km (0.111 R)
• M12: 7,974,763 km (0.067 R)
• M13: 10,089,928 km (0.09 R)
• M14: 11,666,091 km (0.08 R)
• M15: 13,313,762 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 9.7

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.53 AU - 4.07 AU

Year: 4138 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,997,314 km

• M1: 121,324 km (0.084 R)
• M2: 435,330 km (0.118 R)
• M3: 957,127 km (0.112 R)
• M4: 2,094,221 km (0.061 R)
• M5: 2,446,972 km (0.114 R)
• M6: 2,943,936 km (0.112 R)
• M7: 3,730,971 km (0.081 R)
• M8: 4,873,300 km (0.097 R)
• M9: 5,257,767 km (0.082 R)
• M10: 6,146,229 km (0.084 R)
• M11: 7,002,826 km (0.068 R)
• M12: 7,833,244 km (0.054 R)
• M13: 8,147,698 km (0.096 R)
• M14: 9,065,930 km (0.105 R)
• M15: 9,452,042 km (0.049 R)
• M16: 10,092,620 km (0.099 R)
• M17: 10,719,136 km (0.101 R)
• M18: 13,839,000 km (0.1 R)
• M19: 14,664,930 km (0.071 R)
• M20: 15,090,087 km (0.032 R)
• M21: 15,633,127 km (0.099 R)
• M22: 17,105,918 km (0.063 R)
• M23: 17,636,691 km (0.119 R)
• M24: 18,917,848 km (0.066 R)
• M25: 20,064,515 km (0.056 R)
• M26: 21,801,646 km (0.101 R)
• M27: 24,666,744 km (0.07 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 10.8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.99 AU - 4.13 AU

Year: 4636 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,997,314 km

• M1: 134,788 km (0.101 R)
• M2: 599,887 km (0.054 R)
• M3: 1,338,003 km (0.069 R)
• M4: 1,803,103 km (0.087 R)
• M5: 2,186,822 km (0.07 R)
• M6: 2,766,364 km (0.115 R)
• M7: 3,321,821 km (0.051 R)
• M8: 4,453,828 km (0.101 R)
• M9: 4,919,077 km (0.075 R)
• M10: 5,445,063 km (0.072 R)
• M11: 6,610,132 km (0.095 R)
• M12: 7,750,516 km (0.051 R)
• M13: 9,468,947 km (0.086 R)
• M14: 9,849,673 km (0.099 R)
• M15: 11,428,380 km (0.103 R)
• M16: 12,859,134 km (0.117 R)
• M17: 14,628,577 km (0.106 R)
• M18: 17,737,670 km (0.043 R)
• M19: 21,118,881 km (0.06 R)
• M20: 22,137,493 km (0.028 R)
• M21: 22,809,487 km (0.083 R)
• M22: 27,556,526 km (0.098 R)
• M23: 27,986,770 km (0.108 R)
• M24: 28,596,680 km (0.073 R)
• M25: 30,114,799 km (0.064 R)
• M26: 31,032,433 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.9

Radius: 7.1

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.65 AU - 7.83 AU

Year: 14864 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 98.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,997,314 km

• M1: 88,263 km (0.053 R)
• M2: 591,510 km (0.096 R)
• M3: 1,193,941 km (0.099 R)
• M4: 1,638,545 km (0.113 R)
• M5: 2,092,276 km (0.07 R)
• M6: 2,671,519 km (0.103 R)
• M7: 3,147,390 km (0.092 R)
• M8: 4,236,462 km (0.105 R)
• M9: 5,410,656 km (0.091 R)
• M10: 5,782,706 km (0.069 R)
• M11: 6,536,679 km (0.109 R)
• M12: 8,046,720 km (0.113 R)
• M13: 10,049,387 km (0.095 R)
• M14: 10,784,810 km (0.069 R)
• M15: 11,018,182 km (0.062 R)
• M16: 11,555,688 km (0.105 R)
• M17: 13,676,686 km (0.102 R)
• M18: 14,650,269 km (0.084 R)
• M19: 15,446,878 km (0.113 R)
• M20: 16,734,616 km (0.068 R)
• M21: 18,092,366 km (0.058 R)
• M22: 19,521,924 km (0.063 R)
• M23: 27,922,443 km (0.085 R)
• M24: 30,403,523 km (0.064 R)
• M25: 33,397,126 km (0.066 R)
• M26: 34,143,620 km (0.12 R)
• M27: 35,670,266 km (0.107 R)
• M28: 36,058,921 km (0.096 R)
• M29: 39,270,339 km (0.09 R)
• M30: 44,736,794 km (0.073 R)
• M31: 45,037,785 km (0.093 R)
• M32: 46,409,149 km (0.106 R)
• M33: 47,338,601 km (0.094 R)
• M34: 50,526,531 km (0.105 R)
• M35: 51,180,872 km (0.119 R)
• M36: 53,346,451 km (0.118 R)
• M37: 53,854,785 km (0.057 R)
• M38: 61,314,034 km (0.112 R)
• M39: 62,058,433 km (0.097 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 13,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit