🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 11.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.88 AU - 1.44 AU

Year: 862 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,760,422 km

• M1: 141,819 km (0.108 R)
• M2: 1,005,597 km (0.069 R)
• M3: 1,373,009 km (0.106 R)
• M4: 1,858,604 km (0.093 R)
• M5: 2,676,007 km (0.068 R)
• M6: 3,536,942 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 12.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.58 AU - 1.7 AU

Year: 1450 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,760,422 km

• M1: 160,668 km (0.083 R)
• M2: 793,617 km (0.104 R)
• M3: 1,268,440 km (0.114 R)
• M4: 1,732,044 km (0.044 R)
• M5: 2,168,122 km (0.114 R)
• M6: 2,718,642 km (0.073 R)
• M7: 3,176,711 km (0.116 R)
• M8: 4,419,420 km (0.111 R)
• M9: 5,311,921 km (0.112 R)
• M10: 5,893,707 km (0.064 R)
• M11: 7,508,916 km (0.11 R)
• M12: 8,628,057 km (0.105 R)
• M13: 9,338,497 km (0.115 R)
• M14: 10,087,684 km (0.06 R)
• M15: 10,982,279 km (0.058 R)
• M16: 11,522,028 km (0.082 R)
• M17: 12,231,272 km (0.095 R)
• M18: 13,491,185 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 12.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.33 AU - 3.71 AU

Year: 3623 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,760,422 km

• M1: 155,432 km (0.03 R)
• M2: 595,848 km (0.086 R)
• M3: 1,176,438 km (0.041 R)
• M4: 2,110,078 km (0.092 R)
• M5: 2,874,523 km (0.079 R)
• M6: 3,717,507 km (0.101 R)
• M7: 4,672,839 km (0.066 R)
• M8: 5,171,748 km (0.101 R)
• M9: 5,732,441 km (0.117 R)
• M10: 6,333,375 km (0.075 R)
• M11: 8,121,070 km (0.104 R)
• M12: 9,095,551 km (0.097 R)
• M13: 9,648,763 km (0.096 R)
• M14: 11,444,387 km (0.12 R)
• M15: 12,850,307 km (0.04 R)
• M16: 13,929,806 km (0.097 R)
• M17: 15,119,707 km (0.119 R)
• M18: 15,739,491 km (0.057 R)
• M19: 16,975,020 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 11.4

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.11 AU - 4.55 AU

Year: 5174 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,760,422 km

• M1: 141,819 km (0.111 R)
• M2: 569,369 km (0.115 R)
• M3: 1,045,390 km (0.117 R)
• M4: 2,505,764 km (0.094 R)
• M5: 3,718,853 km (0.107 R)
• M6: 4,192,032 km (0.082 R)
• M7: 5,583,591 km (0.086 R)
• M8: 6,601,455 km (0.098 R)
• M9: 9,128,013 km (0.092 R)
• M10: 9,640,685 km (0.1 R)
• M11: 11,686,436 km (0.093 R)
• M12: 15,633,875 km (0.064 R)
• M13: 16,681,359 km (0.062 R)
• M14: 22,019,161 km (0.118 R)
• M15: 22,554,572 km (0.104 R)
• M16: 23,413,563 km (0.081 R)
• M17: 23,811,194 km (0.102 R)
• M18: 27,683,385 km (0.078 R)
• M19: 28,307,208 km (0.11 R)
• M20: 28,758,545 km (0.113 R)
• M21: 31,665,082 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 10.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.82 AU - 4.1 AU

Year: 5439 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 80.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,760,422 km

• M1: 125,662 km (0.111 R)
• M2: 788,082 km (0.11 R)
• M3: 1,456,485 km (0.114 R)
• M4: 1,818,811 km (0.091 R)
• M5: 2,729,413 km (0.089 R)
• M6: 3,286,964 km (0.086 R)
• M7: 3,988,878 km (0.062 R)
• M8: 4,325,922 km (0.087 R)
• M9: 4,761,102 km (0.026 R)
• M10: 6,372,420 km (0.051 R)
• M11: 6,868,936 km (0.086 R)
• M12: 7,462,540 km (0.102 R)
• M13: 7,864,659 km (0.114 R)
• M14: 9,965,163 km (0.1 R)
• M15: 10,957,446 km (0.071 R)
• M16: 12,213,469 km (0.105 R)
• M17: 12,618,580 km (0.109 R)
• M18: 13,670,852 km (0.109 R)
• M19: 14,107,827 km (0.089 R)
• M20: 14,837,566 km (0.111 R)
• M21: 17,881,134 km (0.101 R)
• M22: 18,669,216 km (0.104 R)
• M23: 19,894,422 km (0.049 R)
• M24: 20,597,832 km (0.038 R)
• M25: 21,027,776 km (0.088 R)
• M26: 22,353,811 km (0.086 R)
• M27: 27,348,286 km (0.088 R)
• M28: 27,867,989 km (0.118 R)
• M29: 28,394,125 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 14.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.48 AU - 5.58 AU

Year: 7787 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,760,422 km

• M1: 175,329 km (0.03 R)
• M2: 614,548 km (0.066 R)
• M3: 1,091,765 km (0.11 R)
• M4: 1,843,495 km (0.057 R)
• M5: 2,312,334 km (0.083 R)
• M6: 2,985,824 km (0.084 R)
• M7: 3,812,801 km (0.073 R)
• M8: 4,935,683 km (0.115 R)
• M9: 6,554,780 km (0.118 R)
• M10: 7,038,580 km (0.115 R)
• M11: 8,078,435 km (0.095 R)
• M12: 9,264,297 km (0.025 R)
• M13: 10,363,392 km (0.11 R)
• M14: 11,654,871 km (0.086 R)
• M15: 12,479,754 km (0.066 R)
• M16: 13,225,948 km (0.053 R)
• M17: 14,001,613 km (0.094 R)
• M18: 15,448,075 km (0.081 R)
• M19: 16,040,482 km (0.109 R)
• M20: 18,053,321 km (0.076 R)
• M21: 18,563,301 km (0.054 R)
• M22: 19,158,102 km (0.074 R)
• M23: 22,997,531 km (0.069 R)
• M24: 25,917,083 km (0.115 R)
• M25: 28,679,557 km (0.076 R)
• M26: 35,574,673 km (0.074 R)
• M27: 42,339,189 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.1

Radius: 5.3

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.64 AU - 6.6 AU

Year: 9196 Days

Day: 19.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,760,422 km

• M1: 66,272 km (0.095 R)
• M2: 382,073 km (0.062 R)
• M3: 671,096 km (0.07 R)
• M4: 944,411 km (0.101 R)
• M5: 1,301,053 km (0.07 R)
• M6: 1,771,239 km (0.033 R)
• M7: 2,399,251 km (0.105 R)
• M8: 3,271,406 km (0.114 R)
• M9: 3,446,286 km (0.116 R)
• M10: 4,602,977 km (0.034 R)
• M11: 5,965,065 km (0.097 R)
• M12: 7,203,287 km (0.098 R)
• M13: 8,399,172 km (0.034 R)
• M14: 9,194,285 km (0.111 R)
• M15: 15,287,257 km (0.105 R)
• M16: 17,245,643 km (0.066 R)
• M17: 17,509,982 km (0.116 R)
• M18: 20,230,419 km (0.096 R)
• M19: 22,192,545 km (0.119 R)
• M20: 24,278,238 km (0.092 R)
• M21: 29,300,538 km (0.092 R)
• M22: 29,771,472 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.6

Radius: 4.2

Gravity: 47.65 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.15 AU - 6.31 AU

Year: 10734 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,760,422 km

• M1: 52,808 km (0.088 R)
• M2: 321,037 km (0.093 R)
• M3: 542,891 km (0.098 R)
• M4: 1,948,811 km (0.092 R)
• M5: 2,317,271 km (0.109 R)
• M6: 2,456,696 km (0.089 R)
• M7: 2,886,491 km (0.077 R)
• M8: 3,119,265 km (0.091 R)
• M9: 3,702,398 km (0.112 R)
• M10: 4,295,553 km (0.1 R)
• M11: 4,693,184 km (0.079 R)
• M12: 4,917,132 km (0.079 R)
• M13: 8,236,260 km (0.088 R)
• M14: 8,468,287 km (0.085 R)
• M15: 12,553,805 km (0.117 R)
• M16: 14,273,731 km (0.099 R)
• M17: 15,433,713 km (0.108 R)
• M18: 16,508,125 km (0.104 R)
• M19: 17,939,328 km (0.097 R)
• M20: 18,250,791 km (0.077 R)
• M21: 19,288,252 km (0.104 R)
• M22: 21,567,226 km (0.101 R)
• M23: 25,655,436 km (0.111 R)
• M24: 28,403,549 km (0.059 R)
• M25: 30,672,051 km (0.066 R)
• M26: 30,894,204 km (0.113 R)
• M27: 31,341,801 km (0.103 R)
• M28: 34,716,430 km (0.077 R)
• M29: 35,811,037 km (0.098 R)
• M30: 38,196,974 km (0.101 R)
• M31: 38,712,488 km (0.043 R)
• M32: 42,451,238 km (0.098 R)
• M33: 43,282,554 km (0.072 R)
• M34: 47,158,186 km (0.098 R)
• M35: 48,049,789 km (0.071 R)
• M36: 51,414,993 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.9

Radius: 7.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.24 AU - 7.92 AU

Year: 13004 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,760,422 km

• M1: 144,661 km (0.079 R)
• M2: 567,724 km (0.109 R)
• M3: 828,922 km (0.057 R)
• M4: 1,105,379 km (0.051 R)
• M5: 1,525,449 km (0.088 R)
• M6: 2,408,675 km (0.108 R)
• M7: 3,073,189 km (0.068 R)
• M8: 3,522,132 km (0.091 R)
• M9: 6,050,486 km (0.083 R)
• M10: 6,834,080 km (0.117 R)
• M11: 8,025,028 km (0.071 R)
• M12: 8,287,872 km (0.113 R)
• M13: 9,445,161 km (0.054 R)
• M14: 9,738,223 km (0.105 R)
• M15: 11,350,439 km (0.098 R)
• M16: 13,193,635 km (0.119 R)
• M17: 13,498,665 km (0.043 R)
• M18: 14,570,982 km (0.073 R)
• M19: 17,756,220 km (0.098 R)
• M20: 19,042,313 km (0.119 R)
• M21: 32,744,431 km (0.034 R)
• M22: 36,796,588 km (0.087 R)
• M23: 38,631,257 km (0.047 R)
• M24: 40,397,708 km (0.072 R)
• M25: 41,430,981 km (0.12 R)
• M26: 41,692,029 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.5

Radius: 4.1

Gravity: 53.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.24 AU - 8.58 AU

Year: 15356 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,760,422 km

• M1: 51,013 km (0.058 R)
• M2: 669,301 km (0.109 R)
• M3: 1,630,916 km (0.075 R)
• M4: 2,313,830 km (0.101 R)
• M5: 2,671,668 km (0.113 R)
• M6: 4,186,048 km (0.05 R)
• M7: 15,033,090 km (0.086 R)
• M8: 16,664,754 km (0.086 R)
• M9: 18,756,581 km (0.056 R)
• M10: 24,581,473 km (0.078 R)
• M11: 27,280,668 km (0.104 R)
• M12: 28,070,544 km (0.091 R)
• M13: 28,759,443 km (0.114 R)
• M14: 32,751,462 km (0.05 R)
• M15: 36,145,239 km (0.029 R)
• M16: 57,765,871 km (0.051 R)
• M17: 63,280,199 km (0.085 R)
• M18: 64,661,884 km (0.029 R)
• M19: 65,660,899 km (0.112 R)
• M20: 66,873,390 km (0.114 R)
• M21: 69,134,861 km (0.094 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: 519 - 14,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit