🌌 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: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.7

Radius: 12.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.01 AU - 1.21 AU

Year: 807 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,996,347 km

• M1: 150,495 km (0.097 R)
• M2: 537,505 km (0.075 R)
• M3: 1,456,634 km (0.097 R)
• M4: 2,583,106 km (0.116 R)
• M5: 3,092,637 km (0.095 R)
• M6: 4,020,892 km (0.1 R)
• M7: 4,525,784 km (0.087 R)
• M8: 4,914,589 km (0.083 R)
• M9: 7,389,237 km (0.086 R)
• M10: 8,199,010 km (0.047 R)
• M11: 8,600,082 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 8.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.78 AU - 2.28 AU

Year: 1996 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,996,347 km

• M1: 108,608 km (0.094 R)
• M2: 563,236 km (0.101 R)
• M3: 1,065,885 km (0.103 R)
• M4: 2,093,921 km (0.112 R)
• M5: 2,844,005 km (0.065 R)
• M6: 3,536,942 km (0.071 R)
• M7: 4,196,519 km (0.059 R)
• M8: 5,075,706 km (0.074 R)
• M9: 5,682,176 km (0.118 R)
• M10: 6,032,983 km (0.098 R)
• M11: 7,559,629 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 9.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.67 AU - 2.75 AU

Year: 3079 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,996,347 km

• M1: 206,744 km (0.097 R)
• M2: 551,867 km (0.115 R)
• M3: 897,587 km (0.083 R)
• M4: 1,873,414 km (0.112 R)
• M5: 2,284,958 km (0.032 R)
• M6: 2,600,909 km (0.09 R)
• M7: 4,552,862 km (0.106 R)
• M8: 5,492,037 km (0.081 R)
• M9: 5,839,702 km (0.114 R)
• M10: 6,341,753 km (0.049 R)
• M11: 11,879,118 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 14

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.9 AU - 3.44 AU

Year: 3896 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,996,347 km

• M1: 174,132 km (0.081 R)
• M2: 819,796 km (0.1 R)
• M3: 1,266,346 km (0.085 R)
• M4: 2,246,810 km (0.055 R)
• M5: 3,013,350 km (0.063 R)
• M6: 4,129,799 km (0.103 R)
• M7: 5,043,243 km (0.096 R)
• M8: 5,562,498 km (0.085 R)
• M9: 6,147,724 km (0.069 R)
• M10: 7,136,118 km (0.087 R)
• M11: 8,679,519 km (0.073 R)
• M12: 9,347,623 km (0.067 R)
• M13: 10,920,645 km (0.112 R)
• M14: 11,466,976 km (0.06 R)
• M15: 12,127,451 km (0.054 R)
• M16: 12,813,058 km (0.038 R)
• M17: 13,628,216 km (0.061 R)
• M18: 15,475,301 km (0.063 R)
• M19: 16,577,538 km (0.091 R)
• M20: 17,793,620 km (0.067 R)
• M21: 19,003,268 km (0.095 R)
• M22: 24,241,288 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 12.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.81 AU - 3.57 AU

Year: 3933 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,996,347 km

• M1: 153,039 km (0.112 R)
• M2: 601,383 km (0.104 R)
• M3: 1,326,185 km (0.09 R)
• M4: 1,813,874 km (0.071 R)
• M5: 2,547,951 km (0.119 R)
• M6: 3,847,059 km (0.112 R)
• M7: 4,272,964 km (0.109 R)
• M8: 4,655,935 km (0.043 R)
• M9: 6,394,411 km (0.09 R)
• M10: 7,529,560 km (0.085 R)
• M11: 8,127,353 km (0.082 R)
• M12: 9,458,176 km (0.079 R)
• M13: 10,196,740 km (0.07 R)
• M14: 11,196,204 km (0.068 R)
• M15: 12,070,005 km (0.061 R)
• M16: 14,802,709 km (0.116 R)
• M17: 15,629,686 km (0.107 R)
• M18: 16,025,971 km (0.084 R)
• M19: 16,897,977 km (0.027 R)
• M20: 18,673,105 km (0.099 R)
• M21: 19,119,655 km (0.074 R)
• M22: 20,569,558 km (0.1 R)
• M23: 21,252,322 km (0.088 R)
• M24: 22,304,743 km (0.066 R)
• M25: 23,391,572 km (0.068 R)
• M26: 24,210,770 km (0.044 R)
• M27: 25,358,634 km (0.098 R)
• M28: 27,188,665 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.85 AU - 5.16 AU

Year: 7717 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,996,347 km

• M1: 111,899 km (0.098 R)
• M2: 478,863 km (0.09 R)
• M3: 887,415 km (0.084 R)
• M4: 1,420,881 km (0.066 R)
• M5: 2,451,012 km (0.053 R)
• M6: 3,047,757 km (0.054 R)
• M7: 4,051,709 km (0.057 R)
• M8: 4,991,632 km (0.073 R)
• M9: 5,541,554 km (0.041 R)
• M10: 7,297,534 km (0.072 R)
• M11: 8,302,083 km (0.109 R)
• M12: 8,643,915 km (0.114 R)
• M13: 9,315,011 km (0.073 R)
• M14: 12,156,622 km (0.055 R)
• M15: 12,449,684 km (0.108 R)
• M16: 13,460,517 km (0.117 R)
• M17: 16,581,129 km (0.093 R)
• M18: 27,922,592 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 13.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.12 AU - 6.38 AU

Year: 8303 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,996,347 km

• M1: 176,825 km (0.094 R)
• M2: 610,210 km (0.1 R)
• M3: 1,125,275 km (0.099 R)
• M4: 1,692,550 km (0.056 R)
• M5: 2,516,685 km (0.042 R)
• M6: 3,485,032 km (0.096 R)
• M7: 5,099,343 km (0.102 R)
• M8: 6,545,954 km (0.102 R)
• M9: 7,274,496 km (0.104 R)
• M10: 8,172,681 km (0.09 R)
• M11: 9,398,037 km (0.115 R)
• M12: 12,417,072 km (0.07 R)
• M13: 13,755,225 km (0.099 R)
• M14: 14,203,121 km (0.097 R)
• M15: 14,834,873 km (0.12 R)
• M16: 21,097,189 km (0.11 R)
• M17: 22,378,196 km (0.109 R)
• M18: 30,413,995 km (0.116 R)
• M19: 31,464,471 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.1

Radius: 4.4

Gravity: 45.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.22 AU - 6.9 AU

Year: 10297 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 39,996,347 km

• M1: 57,595 km (0.092 R)
• M2: 197,768 km (0.085 R)
• M3: 1,023,997 km (0.117 R)
• M4: 1,174,942 km (0.076 R)
• M5: 1,381,237 km (0.11 R)
• M6: 1,641,986 km (0.07 R)
• M7: 2,358,859 km (0.053 R)
• M8: 2,645,638 km (0.106 R)
• M9: 2,842,060 km (0.049 R)
• M10: 3,835,540 km (0.116 R)
• M11: 4,593,552 km (0.091 R)
• M12: 5,007,789 km (0.108 R)
• M13: 6,208,910 km (0.061 R)
• M14: 6,957,647 km (0.03 R)
• M15: 7,460,595 km (0.112 R)
• M16: 8,919,623 km (0.072 R)
• M17: 10,078,857 km (0.069 R)
• M18: 12,938,570 km (0.064 R)
• M19: 13,633,153 km (0.103 R)
• M20: 18,964,372 km (0.107 R)
• M21: 20,612,642 km (0.111 R)
• M22: 21,039,145 km (0.102 R)
• M23: 21,471,483 km (0.091 R)
• M24: 21,998,068 km (0.066 R)
• M25: 26,525,049 km (0.112 R)
• M26: 27,746,515 km (0.052 R)
• M27: 29,864,971 km (0.074 R)
• M28: 34,779,560 km (0.084 R)
• M29: 35,995,043 km (0.095 R)
• M30: 36,987,625 km (0.11 R)
• M31: 38,768,288 km (0.082 R)
• M32: 39,942,631 km (0.074 R)
• M33: 41,952,329 km (0.066 R)
• M34: 47,343,089 km (0.108 R)
• M35: 49,288,160 km (0.096 R)
• M36: 50,203,699 km (0.102 R)
• M37: 50,665,657 km (0.083 R)
• M38: 51,441,921 km (0.084 R)
• M39: 53,337,176 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.9

Radius: 4.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.77 AU - 10.59 AU

Year: 19199 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,996,347 km

• M1: 60,886 km (0.104 R)
• M2: 609,312 km (0.102 R)
• M3: 1,099,395 km (0.093 R)
• M4: 1,463,666 km (0.089 R)
• M5: 1,762,562 km (0.118 R)
• M6: 2,344,199 km (0.111 R)
• M7: 3,400,509 km (0.11 R)
• M8: 4,319,639 km (0.095 R)
• M9: 9,447,554 km (0.088 R)
• M10: 10,709,562 km (0.112 R)
• M11: 12,336,289 km (0.101 R)
• M12: 13,073,807 km (0.072 R)
• M13: 13,344,130 km (0.096 R)
• M14: 18,125,577 km (0.109 R)
• M15: 26,432,149 km (0.049 R)
• M16: 30,589,025 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.9

Radius: 6.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.07 AU - 10.03 AU

Year: 20371 Days

Day: 23.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,996,347 km

• M1: 85,869 km (0.086 R)
• M2: 1,039,256 km (0.055 R)
• M3: 2,010,595 km (0.049 R)
• M4: 2,979,840 km (0.09 R)
• M5: 3,674,423 km (0.09 R)
• M6: 5,379,988 km (0.079 R)
• M7: 5,697,585 km (0.083 R)
• M8: 7,515,947 km (0.082 R)
• M9: 8,749,680 km (0.061 R)
• M10: 9,011,776 km (0.106 R)
• M11: 9,460,270 km (0.062 R)
• M12: 9,923,425 km (0.104 R)
• M13: 10,256,580 km (0.118 R)
• M14: 12,143,308 km (0.117 R)
• M15: 12,746,038 km (0.092 R)
• M16: 16,721,900 km (0.108 R)
• M17: 18,235,382 km (0.05 R)
• M18: 20,520,041 km (0.083 R)
• M19: 24,682,452 km (0.095 R)
• M20: 25,916,485 km (0.111 R)
• M21: 29,570,263 km (0.079 R)
• M22: 37,191,227 km (0.085 R)
• M23: 38,810,924 km (0.045 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: 503 - 14,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit