🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.5

Radius: 13.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.73 AU - 0.73 AU

Year: 416 Days

Day: 10.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,100,553 km

• M1: 162,912 km (0.083 R)
• M2: 694,882 km (0.057 R)
• M3: 1,139,786 km (0.026 R)
• M4: 1,724,863 km (0.098 R)
• M5: 2,154,957 km (0.04 R)
• M6: 2,562,312 km (0.065 R)
• M7: 3,407,989 km (0.082 R)
• M8: 4,446,049 km (0.111 R)
• M9: 5,191,645 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.2

Radius: 10

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.05 AU - 1.09 AU

Year: 738 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,100,553 km

• M1: 124,765 km (0.078 R)
• M2: 609,163 km (0.098 R)
• M3: 1,445,714 km (0.081 R)
• M4: 2,134,762 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 12.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.76 AU - 2.88 AU

Year: 2356 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,100,553 km

• M1: 159,920 km (0.094 R)
• M2: 544,387 km (0.088 R)
• M3: 1,094,757 km (0.103 R)
• M4: 1,870,273 km (0.075 R)
• M5: 2,519,976 km (0.114 R)
• M6: 3,087,550 km (0.112 R)
• M7: 4,089,557 km (0.109 R)
• M8: 5,126,270 km (0.118 R)
• M9: 6,233,743 km (0.06 R)
• M10: 7,549,307 km (0.077 R)
• M11: 9,104,377 km (0.102 R)
• M12: 10,242,218 km (0.104 R)
• M13: 11,040,323 km (0.096 R)
• M14: 13,684,465 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 8.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.49 AU - 4.15 AU

Year: 4034 Days

Day: 11.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,100,553 km

• M1: 109,506 km (0.108 R)
• M2: 387,608 km (0.105 R)
• M3: 680,222 km (0.079 R)
• M4: 1,128,118 km (0.094 R)
• M5: 1,558,660 km (0.063 R)
• M6: 1,862,344 km (0.07 R)
• M7: 2,150,320 km (0.12 R)
• M8: 2,884,546 km (0.096 R)
• M9: 3,163,696 km (0.082 R)
• M10: 3,776,598 km (0.108 R)
• M11: 4,489,432 km (0.119 R)
• M12: 5,523,004 km (0.053 R)
• M13: 6,469,809 km (0.045 R)
• M14: 8,224,891 km (0.096 R)
• M15: 8,504,190 km (0.112 R)
• M16: 8,935,331 km (0.098 R)
• M17: 9,418,682 km (0.113 R)
• M18: 9,724,610 km (0.111 R)
• M19: 10,037,269 km (0.057 R)
• M20: 11,702,593 km (0.115 R)
• M21: 14,995,391 km (0.084 R)
• M22: 18,558,813 km (0.096 R)
• M23: 19,778,933 km (0.086 R)
• M24: 22,445,814 km (0.102 R)
• M25: 22,923,929 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 12.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.66 AU - 3.94 AU

Year: 4940 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,100,553 km

• M1: 160,519 km (0.056 R)
• M2: 619,335 km (0.034 R)
• M3: 1,261,708 km (0.112 R)
• M4: 1,909,318 km (0.114 R)
• M5: 2,646,087 km (0.084 R)
• M6: 4,135,484 km (0.078 R)
• M7: 4,661,021 km (0.103 R)
• M8: 6,125,434 km (0.059 R)
• M9: 7,154,518 km (0.091 R)
• M10: 8,412,038 km (0.063 R)
• M11: 11,410,129 km (0.099 R)
• M12: 13,281,449 km (0.095 R)
• M13: 13,985,307 km (0.084 R)
• M14: 14,656,851 km (0.111 R)
• M15: 15,408,431 km (0.078 R)
• M16: 17,114,744 km (0.091 R)
• M17: 18,144,576 km (0.115 R)
• M18: 19,420,646 km (0.052 R)
• M19: 20,684,000 km (0.103 R)
• M20: 24,803,028 km (0.082 R)
• M21: 25,374,192 km (0.108 R)
• M22: 29,167,546 km (0.106 R)
• M23: 31,769,352 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 8

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.44 AU - 4.8 AU

Year: 5577 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,100,553 km

• M1: 103,971 km (0.076 R)
• M2: 352,752 km (0.118 R)
• M3: 758,012 km (0.084 R)
• M4: 1,134,999 km (0.076 R)
• M5: 1,727,855 km (0.059 R)
• M6: 2,094,520 km (0.071 R)
• M7: 2,424,533 km (0.117 R)
• M8: 2,676,007 km (0.045 R)
• M9: 3,004,972 km (0.1 R)
• M10: 3,404,399 km (0.075 R)
• M11: 4,903,070 km (0.111 R)
• M12: 6,520,223 km (0.084 R)
• M13: 6,903,343 km (0.089 R)
• M14: 7,154,817 km (0.057 R)
• M15: 10,529,596 km (0.078 R)
• M16: 11,204,432 km (0.116 R)
• M17: 11,602,811 km (0.077 R)
• M18: 12,854,795 km (0.105 R)
• M19: 14,022,108 km (0.05 R)
• M20: 16,694,374 km (0.076 R)
• M21: 18,082,044 km (0.1 R)
• M22: 20,415,621 km (0.103 R)
• M23: 26,803,301 km (0.074 R)
• M24: 27,516,135 km (0.113 R)
• M25: 28,516,795 km (0.113 R)
• M26: 30,302,245 km (0.118 R)
• M27: 31,075,816 km (0.104 R)
• M28: 33,168,989 km (0.119 R)
• M29: 35,036,420 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 14.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.21 AU - 4.39 AU

Year: 5946 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,100,553 km

• M1: 197,320 km (0.115 R)
• M2: 647,908 km (0.057 R)
• M3: 1,108,969 km (0.053 R)
• M4: 1,957,339 km (0.099 R)
• M5: 2,772,497 km (0.118 R)
• M6: 3,291,602 km (0.058 R)
• M7: 4,193,228 km (0.116 R)
• M8: 5,195,534 km (0.12 R)
• M9: 5,959,381 km (0.101 R)
• M10: 6,520,822 km (0.111 R)
• M11: 8,666,055 km (0.093 R)
• M12: 9,742,262 km (0.066 R)
• M13: 12,316,542 km (0.107 R)
• M14: 12,795,106 km (0.062 R)
• M15: 14,189,657 km (0.025 R)
• M16: 14,656,851 km (0.09 R)
• M17: 15,134,069 km (0.069 R)
• M18: 18,015,623 km (0.084 R)
• M19: 19,052,486 km (0.11 R)
• M20: 20,275,448 km (0.117 R)
• M21: 21,550,022 km (0.11 R)
• M22: 24,591,347 km (0.066 R)
• M23: 25,351,603 km (0.086 R)
• M24: 27,097,261 km (0.11 R)
• M25: 27,817,574 km (0.093 R)
• M26: 29,674,084 km (0.113 R)
• M27: 30,150,852 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 13.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.87 AU - 5.31 AU

Year: 7658 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,100,553 km

• M1: 172,935 km (0.073 R)
• M2: 1,646,624 km (0.108 R)
• M3: 2,209,561 km (0.092 R)
• M4: 3,051,348 km (0.091 R)
• M5: 3,973,170 km (0.106 R)
• M6: 6,540,419 km (0.059 R)
• M7: 10,257,926 km (0.059 R)
• M8: 12,860,630 km (0.049 R)
• M9: 13,850,818 km (0.106 R)
• M10: 17,748,142 km (0.106 R)
• M11: 19,154,960 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.2

Radius: 6.1

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.75 AU - 8.53 AU

Year: 12723 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,100,553 km

• M1: 75,846 km (0.082 R)
• M2: 274,961 km (0.071 R)
• M3: 601,383 km (0.069 R)
• M4: 1,304,493 km (0.092 R)
• M5: 2,026,902 km (0.104 R)
• M6: 2,262,219 km (0.092 R)
• M7: 2,475,546 km (0.089 R)
• M8: 3,269,910 km (0.092 R)
• M9: 3,518,093 km (0.069 R)
• M10: 3,832,398 km (0.057 R)
• M11: 4,857,144 km (0.098 R)
• M12: 5,907,470 km (0.08 R)
• M13: 6,314,227 km (0.059 R)
• M14: 6,858,614 km (0.106 R)
• M15: 7,060,571 km (0.115 R)
• M16: 8,174,925 km (0.061 R)
• M17: 8,494,018 km (0.083 R)
• M18: 8,916,482 km (0.099 R)
• M19: 9,501,260 km (0.069 R)
• M20: 9,854,012 km (0.114 R)
• M21: 10,373,116 km (0.07 R)
• M22: 14,135,952 km (0.054 R)
• M23: 14,595,965 km (0.049 R)
• M24: 17,793,620 km (0.053 R)
• M25: 18,640,942 km (0.119 R)
• M26: 19,757,690 km (0.095 R)
• M27: 20,582,273 km (0.108 R)
• M28: 27,007,352 km (0.052 R)
• M29: 30,998,923 km (0.081 R)
• M30: 31,219,280 km (0.064 R)
• M31: 32,223,830 km (0.1 R)
• M32: 32,450,022 km (0.12 R)
• M33: 34,179,822 km (0.067 R)
• M34: 39,477,980 km (0.054 R)
• M35: 49,380,462 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.9

Radius: 4.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.28 AU - 8.74 AU

Year: 16555 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,100,553 km

• M1: 55,650 km (0.084 R)
• M2: 255,513 km (0.102 R)
• M3: 1,211,444 km (0.086 R)
• M4: 3,875,333 km (0.093 R)
• M5: 5,790,335 km (0.104 R)
• M6: 10,511,943 km (0.107 R)
• M7: 13,823,741 km (0.114 R)
• M8: 14,465,366 km (0.117 R)
• M9: 15,434,012 km (0.102 R)
• M10: 17,432,191 km (0.115 R)
• M11: 22,644,779 km (0.086 R)
• M12: 22,885,333 km (0.092 R)
• M13: 26,170,502 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 11,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit