🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 11.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.52 AU - 0.62 AU

Year: 297 Days

Day: 10.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,587,631 km

• M1: 144,362 km (0.103 R)
• M2: 508,483 km (0.087 R)
• M3: 923,916 km (0.06 R)
• M4: 1,284,747 km (0.081 R)
• M5: 1,969,306 km (0.084 R)
• M6: 2,660,299 km (0.115 R)
• M7: 3,026,814 km (0.112 R)
• M8: 3,611,293 km (0.075 R)
• M9: 3,974,666 km (0.1 R)
• M10: 4,747,488 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 14.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.67 AU - 2.67 AU

Year: 3011 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,587,631 km

• M1: 192,682 km (0.092 R)
• M2: 891,155 km (0.12 R)
• M3: 1,376,151 km (0.1 R)
• M4: 2,144,785 km (0.094 R)
• M5: 3,004,374 km (0.112 R)
• M6: 3,635,527 km (0.09 R)
• M7: 4,312,159 km (0.107 R)
• M8: 5,071,817 km (0.096 R)
• M9: 6,488,808 km (0.025 R)
• M10: 7,035,588 km (0.072 R)
• M11: 7,675,568 km (0.05 R)
• M12: 9,906,670 km (0.029 R)
• M13: 10,633,716 km (0.089 R)
• M14: 13,716,629 km (0.113 R)
• M15: 15,062,561 km (0.074 R)
• M16: 15,716,603 km (0.114 R)
• M17: 16,547,619 km (0.086 R)
• M18: 17,081,833 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.1

Radius: 14.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.96 AU - 3.1 AU

Year: 3641 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,587,631 km

• M1: 178,021 km (0.113 R)
• M2: 724,203 km (0.099 R)
• M3: 1,191,547 km (0.103 R)
• M4: 2,140,147 km (0.063 R)
• M5: 3,157,413 km (0.09 R)
• M6: 3,609,647 km (0.06 R)
• M7: 4,060,385 km (0.086 R)
• M8: 4,549,122 km (0.12 R)
• M9: 5,025,142 km (0.079 R)
• M10: 5,990,198 km (0.12 R)
• M11: 6,440,188 km (0.069 R)
• M12: 7,752,311 km (0.109 R)
• M13: 8,848,415 km (0.095 R)
• M14: 9,675,541 km (0.089 R)
• M15: 11,852,938 km (0.098 R)
• M16: 12,420,812 km (0.025 R)
• M17: 13,765,248 km (0.078 R)
• M18: 14,822,307 km (0.091 R)
• M19: 16,742,395 km (0.092 R)
• M20: 23,053,780 km (0.084 R)
• M21: 24,925,848 km (0.074 R)
• M22: 25,702,410 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 10.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.86 AU - 4.06 AU

Year: 5439 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,587,631 km

• M1: 126,859 km (0.113 R)
• M2: 580,889 km (0.109 R)
• M3: 940,971 km (0.115 R)
• M4: 1,659,340 km (0.097 R)
• M5: 2,075,371 km (0.077 R)
• M6: 2,432,461 km (0.088 R)
• M7: 2,954,857 km (0.105 R)
• M8: 3,696,115 km (0.03 R)
• M9: 4,133,539 km (0.094 R)
• M10: 4,508,281 km (0.043 R)
• M11: 4,982,656 km (0.077 R)
• M12: 5,380,437 km (0.115 R)
• M13: 7,908,192 km (0.062 R)
• M14: 8,524,984 km (0.115 R)
• M15: 9,773,079 km (0.102 R)
• M16: 10,271,240 km (0.087 R)
• M17: 11,005,766 km (0.101 R)
• M18: 12,628,155 km (0.088 R)
• M19: 13,219,515 km (0.099 R)
• M20: 13,829,126 km (0.101 R)
• M21: 14,617,507 km (0.104 R)
• M22: 15,435,508 km (0.087 R)
• M23: 15,884,003 km (0.096 R)
• M24: 19,400,899 km (0.064 R)
• M25: 20,860,825 km (0.074 R)
• M26: 23,259,178 km (0.096 R)
• M27: 26,468,351 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 11.4

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.22 AU - 4.56 AU

Year: 6349 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,587,631 km

• M1: 142,268 km (0.033 R)
• M2: 1,029,832 km (0.107 R)
• M3: 1,526,497 km (0.072 R)
• M4: 1,974,094 km (0.085 R)
• M5: 3,075,882 km (0.097 R)
• M6: 3,702,697 km (0.085 R)
• M7: 4,175,127 km (0.059 R)
• M8: 4,744,048 km (0.036 R)
• M9: 5,457,031 km (0.115 R)
• M10: 6,172,109 km (0.059 R)
• M11: 7,208,972 km (0.066 R)
• M12: 7,749,319 km (0.105 R)
• M13: 11,372,729 km (0.092 R)
• M14: 14,739,280 km (0.114 R)
• M15: 17,594,954 km (0.077 R)
• M16: 18,862,945 km (0.07 R)
• M17: 20,800,686 km (0.119 R)
• M18: 21,817,802 km (0.086 R)
• M19: 23,280,421 km (0.116 R)
• M20: 24,035,890 km (0.038 R)
• M21: 25,684,159 km (0.065 R)
• M22: 28,154,319 km (0.047 R)
• M23: 30,281,003 km (0.08 R)
• M24: 31,282,261 km (0.085 R)
• M25: 35,179,286 km (0.114 R)
• M26: 39,035,470 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 9.3

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.6 AU - 5.32 AU

Year: 7625 Days

Day: 12.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,587,631 km

• M1: 115,789 km (0.096 R)
• M2: 523,742 km (0.1 R)
• M3: 1,937,292 km (0.116 R)
• M4: 2,386,834 km (0.055 R)
• M5: 3,403,352 km (0.119 R)
• M6: 3,709,878 km (0.115 R)
• M7: 4,917,282 km (0.081 R)
• M8: 6,333,525 km (0.108 R)
• M9: 6,910,524 km (0.104 R)
• M10: 7,443,691 km (0.11 R)
• M11: 8,463,948 km (0.091 R)
• M12: 9,621,088 km (0.106 R)
• M13: 10,930,967 km (0.104 R)
• M14: 16,891,096 km (0.119 R)
• M15: 17,648,360 km (0.102 R)
• M16: 29,753,072 km (0.096 R)
• M17: 34,005,690 km (0.107 R)
• M18: 38,059,493 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 9.6

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.87 AU - 6.15 AU

Year: 8928 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,587,631 km

• M1: 120,277 km (0.098 R)
• M2: 723,306 km (0.043 R)
• M3: 1,116,299 km (0.118 R)
• M4: 2,096,465 km (0.099 R)
• M5: 2,501,875 km (0.118 R)
• M6: 3,093,235 km (0.113 R)
• M7: 3,697,611 km (0.07 R)
• M8: 4,583,978 km (0.085 R)
• M9: 5,013,773 km (0.098 R)
• M10: 8,270,668 km (0.11 R)
• M11: 10,284,405 km (0.082 R)
• M12: 10,968,815 km (0.09 R)
• M13: 12,664,208 km (0.12 R)
• M14: 13,512,278 km (0.091 R)
• M15: 14,077,309 km (0.071 R)
• M16: 14,657,899 km (0.103 R)
• M17: 17,286,932 km (0.114 R)
• M18: 20,378,072 km (0.102 R)
• M19: 22,925,275 km (0.049 R)
• M20: 25,487,438 km (0.079 R)
• M21: 33,054,098 km (0.045 R)
• M22: 35,008,894 km (0.07 R)
• M23: 37,898,227 km (0.072 R)
• M24: 39,274,228 km (0.056 R)
• M25: 42,258,257 km (0.08 R)
• M26: 48,673,612 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.7

Radius: 5.3

Gravity: 34.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.46 AU - 6.62 AU

Year: 10246 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 118 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,587,631 km

• M1: 65,973 km (0.094 R)
• M2: 302,188 km (0.087 R)
• M3: 556,654 km (0.059 R)
• M4: 970,292 km (0.075 R)
• M5: 1,494,782 km (0.102 R)
• M6: 2,266,857 km (0.091 R)
• M7: 3,178,356 km (0.108 R)
• M8: 3,556,540 km (0.117 R)
• M9: 3,964,044 km (0.067 R)
• M10: 4,711,884 km (0.072 R)
• M11: 6,802,066 km (0.107 R)
• M12: 7,779,089 km (0.113 R)
• M13: 8,048,665 km (0.101 R)
• M14: 9,695,588 km (0.115 R)
• M15: 10,873,372 km (0.084 R)
• M16: 20,085,758 km (0.08 R)
• M17: 20,936,222 km (0.097 R)
• M18: 21,283,139 km (0.039 R)
• M19: 22,436,988 km (0.1 R)
• M20: 28,200,695 km (0.056 R)
• M21: 29,482,599 km (0.064 R)
• M22: 30,248,091 km (0.072 R)
• M23: 35,121,092 km (0.103 R)
• M24: 40,895,869 km (0.062 R)
• M25: 43,936,147 km (0.063 R)
• M26: 44,647,485 km (0.069 R)
• M27: 47,869,075 km (0.084 R)
• M28: 48,622,300 km (0.084 R)
• M29: 49,689,980 km (0.112 R)
• M30: 51,399,136 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.4

Radius: 5.2

Gravity: 31.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.33 AU - 8.39 AU

Year: 15211 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,587,631 km

• M1: 73,752 km (0.068 R)
• M2: 239,656 km (0.119 R)
• M3: 495,468 km (0.076 R)
• M4: 959,072 km (0.111 R)
• M5: 1,219,671 km (0.107 R)
• M6: 1,995,336 km (0.116 R)
• M7: 2,171,263 km (0.036 R)
• M8: 4,928,053 km (0.034 R)
• M9: 5,436,985 km (0.062 R)
• M10: 5,860,945 km (0.102 R)
• M11: 6,559,119 km (0.078 R)
• M12: 7,311,147 km (0.105 R)
• M13: 8,119,125 km (0.084 R)
• M14: 8,468,586 km (0.064 R)
• M15: 9,144,020 km (0.11 R)
• M16: 11,079,517 km (0.066 R)
• M17: 11,509,462 km (0.083 R)
• M18: 11,697,058 km (0.091 R)
• M19: 12,468,085 km (0.116 R)
• M20: 12,666,003 km (0.081 R)
• M21: 13,757,170 km (0.11 R)
• M22: 16,360,173 km (0.038 R)
• M23: 16,837,091 km (0.096 R)
• M24: 17,652,399 km (0.053 R)
• M25: 17,818,602 km (0.103 R)
• M26: 19,449,818 km (0.112 R)
• M27: 28,656,220 km (0.117 R)
• M28: 31,371,870 km (0.061 R)
• M29: 31,984,025 km (0.05 R)
• M30: 40,973,660 km (0.099 R)
• M31: 41,265,226 km (0.05 R)
• M32: 42,148,003 km (0.08 R)
• M33: 45,962,300 km (0.09 R)
• M34: 47,711,099 km (0.092 R)
• M35: 48,033,782 km (0.047 R)
• M36: 48,357,811 km (0.046 R)
• M37: 49,668,887 km (0.112 R)
• M38: 55,150,452 km (0.1 R)
• M39: 59,703,313 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.7

Radius: 7.5

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.43 AU - 8.47 AU

Year: 15473 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,587,631 km

• M1: 93,648 km (0.094 R)
• M2: 337,493 km (0.086 R)
• M3: 695,630 km (0.089 R)
• M4: 1,235,828 km (0.099 R)
• M5: 1,893,759 km (0.047 R)
• M6: 2,475,845 km (0.096 R)
• M7: 2,722,831 km (0.077 R)
• M8: 4,187,394 km (0.042 R)
• M9: 5,171,150 km (0.115 R)
• M10: 9,088,071 km (0.089 R)
• M11: 12,188,487 km (0.11 R)
• M12: 12,484,989 km (0.093 R)
• M13: 12,847,016 km (0.104 R)
• M14: 13,911,106 km (0.055 R)
• M15: 15,930,228 km (0.111 R)
• M16: 19,233,499 km (0.06 R)
• M17: 21,991,785 km (0.081 R)
• M18: 23,693,909 km (0.11 R)
• M19: 24,156,017 km (0.079 R)
• M20: 24,436,214 km (0.041 R)
• M21: 28,072,190 km (0.106 R)
• M22: 31,605,692 km (0.074 R)
• M23: 35,786,803 km (0.101 R)
• M24: 44,243,271 km (0.105 R)
• M25: 45,509,916 km (0.088 R)
• M26: 50,666,256 km (0.098 R)
• M27: 51,587,629 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 16,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit