🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.9

Radius: 9.9

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.94 AU - 1.3 AU

Year: 833 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,787,519 km

• M1: 123,867 km (0.108 R)
• M2: 450,589 km (0.057 R)
• M3: 823,536 km (0.115 R)
• M4: 1,391,859 km (0.06 R)
• M5: 2,226,914 km (0.098 R)
• M6: 2,767,411 km (0.091 R)
• M7: 3,435,515 km (0.087 R)
• M8: 4,355,243 km (0.1 R)
• M9: 4,927,006 km (0.058 R)
• M10: 5,990,198 km (0.114 R)
• M11: 6,877,613 km (0.114 R)
• M12: 7,341,216 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.3

Radius: 14.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.08 AU - 1.54 AU

Year: 1054 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,787,519 km

• M1: 185,352 km (0.081 R)
• M2: 656,884 km (0.116 R)
• M3: 1,533,378 km (0.093 R)
• M4: 2,223,324 km (0.09 R)
• M5: 2,691,116 km (0.063 R)
• M6: 3,453,168 km (0.104 R)
• M7: 4,547,027 km (0.032 R)
• M8: 5,214,234 km (0.116 R)
• M9: 5,694,742 km (0.108 R)
• M10: 6,745,667 km (0.104 R)
• M11: 7,641,310 km (0.096 R)
• M12: 9,493,331 km (0.093 R)
• M13: 10,745,615 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 10.5

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.2 AU - 1.94 AU

Year: 1383 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,787,519 km

• M1: 148,102 km (0.119 R)
• M2: 933,940 km (0.086 R)
• M3: 1,450,950 km (0.069 R)
• M4: 2,118,007 km (0.103 R)
• M5: 2,628,135 km (0.105 R)
• M6: 5,034,866 km (0.109 R)
• M7: 6,066,792 km (0.108 R)
• M8: 7,207,027 km (0.119 R)
• M9: 7,589,549 km (0.078 R)
• M10: 8,425,053 km (0.102 R)
• M11: 8,757,609 km (0.083 R)
• M12: 9,513,677 km (0.101 R)
• M13: 10,142,736 km (0.085 R)
• M14: 10,519,423 km (0.106 R)
• M15: 11,668,784 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 14.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.36 AU - 2.04 AU

Year: 1558 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,787,519 km

• M1: 177,872 km (0.074 R)
• M2: 785,987 km (0.112 R)
• M3: 1,388,567 km (0.069 R)
• M4: 1,874,910 km (0.091 R)
• M5: 2,465,672 km (0.084 R)
• M6: 3,179,852 km (0.067 R)
• M7: 4,137,578 km (0.092 R)
• M8: 5,354,257 km (0.099 R)
• M9: 6,097,310 km (0.098 R)
• M10: 9,198,175 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 11.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.73 AU - 2.75 AU

Year: 3188 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,787,519 km

• M1: 146,756 km (0.102 R)
• M2: 555,307 km (0.04 R)
• M3: 1,187,508 km (0.093 R)
• M4: 1,697,038 km (0.108 R)
• M5: 2,350,631 km (0.119 R)
• M6: 4,036,749 km (0.114 R)
• M7: 4,731,930 km (0.085 R)
• M8: 5,582,095 km (0.119 R)
• M9: 6,762,721 km (0.113 R)
• M10: 7,648,490 km (0.068 R)
• M11: 8,924,261 km (0.101 R)
• M12: 9,576,059 km (0.119 R)
• M13: 9,989,697 km (0.089 R)
• M14: 10,415,453 km (0.089 R)
• M15: 11,097,020 km (0.072 R)
• M16: 11,808,358 km (0.029 R)
• M17: 13,554,764 km (0.033 R)
• M18: 15,263,471 km (0.108 R)
• M19: 18,289,536 km (0.086 R)
• M20: 19,821,867 km (0.084 R)
• M21: 20,433,573 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 10.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.3 AU - 3.5 AU

Year: 3471 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,787,519 km

• M1: 155,731 km (0.101 R)
• M2: 818,450 km (0.094 R)
• M3: 1,192,295 km (0.097 R)
• M4: 1,541,456 km (0.064 R)
• M5: 2,000,273 km (0.116 R)
• M6: 2,391,172 km (0.103 R)
• M7: 3,309,554 km (0.082 R)
• M8: 3,817,738 km (0.106 R)
• M9: 4,307,222 km (0.049 R)
• M10: 5,331,519 km (0.106 R)
• M11: 6,791,444 km (0.117 R)
• M12: 7,961,150 km (0.114 R)
• M13: 8,282,636 km (0.113 R)
• M14: 10,439,687 km (0.12 R)
• M15: 16,744,340 km (0.111 R)
• M16: 18,489,100 km (0.093 R)
• M17: 20,285,621 km (0.029 R)
• M18: 23,049,741 km (0.091 R)
• M19: 25,127,954 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.5

Radius: 8.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.7 AU - 3.88 AU

Year: 4195 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,787,519 km

• M1: 108,309 km (0.04 R)
• M2: 408,701 km (0.115 R)
• M3: 800,199 km (0.117 R)
• M4: 1,305,989 km (0.108 R)
• M5: 1,631,963 km (0.095 R)
• M6: 2,543,463 km (0.108 R)
• M7: 3,619,969 km (0.111 R)
• M8: 4,804,036 km (0.091 R)
• M9: 5,698,332 km (0.052 R)
• M10: 5,973,144 km (0.114 R)
• M11: 7,099,765 km (0.119 R)
• M12: 8,153,383 km (0.074 R)
• M13: 9,535,967 km (0.078 R)
• M14: 12,435,323 km (0.101 R)
• M15: 13,326,777 km (0.068 R)
• M16: 17,667,209 km (0.104 R)
• M17: 18,194,542 km (0.044 R)
• M18: 19,403,891 km (0.118 R)
• M19: 20,537,544 km (0.08 R)
• M20: 22,184,317 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 10.1

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.97 AU - 3.69 AU

Year: 4271 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,787,519 km

• M1: 125,662 km (0.097 R)
• M2: 610,210 km (0.045 R)
• M3: 1,837,810 km (0.118 R)
• M4: 2,809,298 km (0.073 R)
• M5: 3,155,767 km (0.068 R)
• M6: 3,634,331 km (0.097 R)
• M7: 3,980,051 km (0.106 R)
• M8: 4,347,613 km (0.042 R)
• M9: 4,737,765 km (0.117 R)
• M10: 6,570,189 km (0.114 R)
• M11: 10,675,902 km (0.101 R)
• M12: 11,298,080 km (0.113 R)
• M13: 12,085,862 km (0.108 R)
• M14: 12,566,072 km (0.039 R)
• M15: 13,009,180 km (0.097 R)
• M16: 13,978,874 km (0.048 R)
• M17: 14,886,783 km (0.094 R)
• M18: 15,438,799 km (0.048 R)
• M19: 15,833,439 km (0.099 R)
• M20: 16,878,978 km (0.098 R)
• M21: 18,532,783 km (0.075 R)
• M22: 18,914,407 km (0.116 R)
• M23: 19,496,791 km (0.115 R)
• M24: 22,952,652 km (0.056 R)
• M25: 27,040,114 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 8

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.55 AU - 4.79 AU

Year: 5986 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,787,519 km

• M1: 100,081 km (0.048 R)
• M2: 944,262 km (0.1 R)
• M3: 1,646,474 km (0.036 R)
• M4: 2,086,142 km (0.094 R)
• M5: 3,200,497 km (0.111 R)
• M6: 3,578,381 km (0.114 R)
• M7: 4,162,561 km (0.082 R)
• M8: 4,780,400 km (0.091 R)
• M9: 5,582,095 km (0.068 R)
• M10: 8,524,984 km (0.086 R)
• M11: 9,791,181 km (0.053 R)
• M12: 10,397,800 km (0.087 R)
• M13: 17,977,326 km (0.057 R)
• M14: 21,407,605 km (0.069 R)
• M15: 22,428,461 km (0.049 R)
• M16: 24,313,244 km (0.115 R)
• M17: 24,566,663 km (0.057 R)
• M18: 24,992,867 km (0.104 R)
• M19: 27,198,538 km (0.098 R)
• M20: 27,930,820 km (0.087 R)
• M21: 36,764,425 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.8

Radius: 5.7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.87 AU - 6.61 AU

Year: 9667 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 31,787,519 km

• M1: 71,209 km (0.072 R)
• M2: 265,237 km (0.106 R)
• M3: 590,612 km (0.084 R)
• M4: 1,284,747 km (0.117 R)
• M5: 1,651,560 km (0.099 R)
• M6: 1,880,894 km (0.087 R)
• M7: 2,437,548 km (0.064 R)
• M8: 2,717,745 km (0.073 R)
• M9: 3,137,965 km (0.09 R)
• M10: 3,470,072 km (0.061 R)
• M11: 3,988,130 km (0.107 R)
• M12: 5,944,571 km (0.027 R)
• M13: 6,355,666 km (0.044 R)
• M14: 7,376,671 km (0.07 R)
• M15: 7,888,745 km (0.103 R)
• M16: 9,482,560 km (0.057 R)
• M17: 11,137,262 km (0.111 R)
• M18: 11,909,038 km (0.089 R)
• M19: 13,132,748 km (0.118 R)
• M20: 13,344,579 km (0.047 R)
• M21: 14,214,790 km (0.106 R)
• M22: 15,354,875 km (0.094 R)
• M23: 15,947,133 km (0.08 R)
• M24: 16,493,165 km (0.079 R)
• M25: 18,403,380 km (0.095 R)
• M26: 18,735,488 km (0.109 R)
• M27: 19,964,285 km (0.11 R)
• M28: 20,385,552 km (0.079 R)
• M29: 20,598,280 km (0.047 R)
• M30: 21,245,740 km (0.058 R)
• M31: 24,848,805 km (0.1 R)
• M32: 26,751,989 km (0.097 R)
• M33: 28,131,730 km (0.044 R)
• M34: 29,377,431 km (0.098 R)
• M35: 30,013,821 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 12,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit