🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 9.7

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.98 AU - 1.04 AU

Year: 666 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,477,092 km

• M1: 120,725 km (0.114 R)
• M2: 497,712 km (0.079 R)
• M3: 935,585 km (0.075 R)
• M4: 1,238,371 km (0.098 R)
• M5: 1,942,828 km (0.119 R)
• M6: 2,448,020 km (0.104 R)
• M7: 2,777,883 km (0.115 R)
• M8: 3,447,782 km (0.103 R)
• M9: 4,361,227 km (0.113 R)
• M10: 4,748,835 km (0.12 R)
• M11: 5,538,263 km (0.119 R)
• M12: 5,858,253 km (0.107 R)
• M13: 6,371,822 km (0.039 R)
• M14: 6,681,639 km (0.113 R)
• M15: 7,466,430 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 8.7

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.04 AU - 1.16 AU

Year: 757 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,477,092 km

• M1: 108,309 km (0.116 R)
• M2: 383,120 km (0.089 R)
• M3: 691,890 km (0.103 R)
• M4: 966,552 km (0.119 R)
• M5: 1,246,449 km (0.092 R)
• M6: 1,557,463 km (0.09 R)
• M7: 1,995,785 km (0.078 R)
• M8: 2,687,077 km (0.072 R)
• M9: 3,186,584 km (0.089 R)
• M10: 3,543,525 km (0.107 R)
• M11: 3,973,020 km (0.048 R)
• M12: 4,437,073 km (0.089 R)
• M13: 4,954,681 km (0.115 R)
• M14: 6,511,247 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 9.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.24 AU - 1.36 AU

Year: 972 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,477,092 km

• M1: 123,119 km (0.084 R)
• M2: 472,131 km (0.074 R)
• M3: 842,984 km (0.1 R)
• M4: 1,219,821 km (0.068 R)
• M5: 1,788,143 km (0.112 R)
• M6: 2,374,717 km (0.056 R)
• M7: 2,778,780 km (0.114 R)
• M8: 3,264,974 km (0.091 R)
• M9: 3,619,969 km (0.078 R)
• M10: 4,128,752 km (0.089 R)
• M11: 4,684,657 km (0.09 R)
• M12: 5,238,917 km (0.096 R)
• M13: 5,854,363 km (0.07 R)
• M14: 6,342,202 km (0.078 R)
• M15: 6,918,303 km (0.092 R)

Asteroid Belt

Center: 1.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 14.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.9 AU - 1.92 AU

Year: 1732 Days

Day: 8.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,477,092 km

• M1: 179,368 km (0.06 R)
• M2: 786,436 km (0.059 R)
• M3: 1,770,341 km (0.087 R)
• M4: 2,894,270 km (0.116 R)
• M5: 3,589,451 km (0.082 R)
• M6: 4,529,824 km (0.069 R)
• M7: 5,037,559 km (0.111 R)
• M8: 5,515,823 km (0.053 R)
• M9: 6,564,504 km (0.114 R)
• M10: 7,056,831 km (0.089 R)
• M11: 8,532,165 km (0.065 R)
• M12: 9,151,351 km (0.103 R)
• M13: 10,974,649 km (0.1 R)
• M14: 11,707,978 km (0.098 R)
• M15: 13,231,932 km (0.083 R)
• M16: 14,148,069 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 13.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.15 AU - 4.21 AU

Year: 4631 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 175.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,477,092 km

• M1: 163,810 km (0.077 R)
• M2: 675,285 km (0.091 R)
• M3: 1,159,832 km (0.116 R)
• M4: 1,688,362 km (0.066 R)
• M5: 2,745,869 km (0.119 R)
• M6: 4,002,940 km (0.106 R)
• M7: 4,771,424 km (0.113 R)
• M8: 5,821,152 km (0.114 R)
• M9: 6,966,324 km (0.032 R)
• M10: 8,021,139 km (0.073 R)
• M11: 11,342,511 km (0.056 R)
• M12: 13,783,948 km (0.06 R)
• M13: 14,208,357 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 12.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.52 AU - 3.84 AU

Year: 4631 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,477,092 km

• M1: 159,920 km (0.104 R)
• M2: 788,231 km (0.11 R)
• M3: 1,460,075 km (0.114 R)
• M4: 2,215,245 km (0.05 R)
• M5: 2,812,440 km (0.105 R)
• M6: 3,413,973 km (0.083 R)
• M7: 4,032,111 km (0.052 R)
• M8: 4,928,203 km (0.085 R)
• M9: 5,748,747 km (0.085 R)
• M10: 6,563,457 km (0.073 R)
• M11: 8,348,010 km (0.088 R)
• M12: 8,879,382 km (0.114 R)
• M13: 9,636,646 km (0.11 R)
• M14: 11,098,965 km (0.119 R)
• M15: 11,555,987 km (0.058 R)
• M16: 12,853,150 km (0.099 R)
• M17: 14,459,681 km (0.08 R)
• M18: 15,060,766 km (0.054 R)
• M19: 16,313,049 km (0.053 R)
• M20: 16,785,330 km (0.077 R)
• M21: 18,766,006 km (0.104 R)
• M22: 21,315,303 km (0.07 R)
• M23: 24,469,125 km (0.087 R)
• M24: 26,197,430 km (0.118 R)
• M25: 27,504,616 km (0.104 R)
• M26: 28,174,216 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.1

Radius: 7.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.77 AU - 7.67 AU

Year: 11428 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,477,092 km

• M1: 99,632 km (0.101 R)
• M2: 843,732 km (0.059 R)
• M3: 1,133,653 km (0.118 R)
• M4: 1,537,567 km (0.09 R)
• M5: 2,804,960 km (0.095 R)
• M6: 5,788,690 km (0.118 R)
• M7: 6,355,217 km (0.05 R)
• M8: 6,744,022 km (0.087 R)
• M9: 8,773,018 km (0.098 R)
• M10: 10,701,184 km (0.108 R)
• M11: 15,099,063 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.9

Radius: 5.9

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.84 AU - 7.64 AU

Year: 12780 Days

Day: 19.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,477,092 km

• M1: 73,453 km (0.113 R)
• M2: 357,389 km (0.053 R)
• M3: 920,177 km (0.067 R)
• M4: 1,383,631 km (0.091 R)
• M5: 1,691,503 km (0.084 R)
• M6: 1,904,530 km (0.083 R)
• M7: 2,364,993 km (0.053 R)
• M8: 2,965,778 km (0.119 R)
• M9: 3,636,575 km (0.103 R)
• M10: 3,993,515 km (0.074 R)
• M11: 5,273,923 km (0.107 R)
• M12: 6,766,012 km (0.08 R)
• M13: 7,434,865 km (0.067 R)
• M14: 9,705,461 km (0.077 R)
• M15: 9,965,761 km (0.057 R)
• M16: 11,979,648 km (0.085 R)
• M17: 12,707,292 km (0.092 R)
• M18: 13,018,904 km (0.101 R)
• M19: 16,643,362 km (0.117 R)
• M20: 16,941,510 km (0.077 R)
• M21: 18,012,930 km (0.066 R)
• M22: 19,455,951 km (0.1 R)
• M23: 19,703,835 km (0.053 R)
• M24: 21,762,451 km (0.082 R)
• M25: 24,055,038 km (0.119 R)
• M26: 35,818,069 km (0.091 R)
• M27: 36,565,310 km (0.095 R)
• M28: 39,923,782 km (0.067 R)
• M29: 43,906,077 km (0.04 R)
• M30: 44,190,164 km (0.103 R)
• M31: 47,395,597 km (0.09 R)
• M32: 50,909,053 km (0.059 R)
• M33: 51,853,315 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.7

Radius: 6

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.71 AU - 11.39 AU

Year: 20901 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,477,092 km

• M1: 74,649 km (0.08 R)
• M2: 269,426 km (0.095 R)
• M3: 851,960 km (0.102 R)
• M4: 1,447,359 km (0.103 R)
• M5: 1,665,323 km (0.102 R)
• M6: 1,905,278 km (0.101 R)
• M7: 2,519,976 km (0.061 R)
• M8: 3,258,840 km (0.065 R)
• M9: 3,864,711 km (0.113 R)
• M10: 4,944,958 km (0.088 R)
• M11: 7,545,717 km (0.116 R)
• M12: 7,777,145 km (0.091 R)
• M13: 8,550,117 km (0.038 R)
• M14: 12,348,556 km (0.099 R)
• M15: 14,223,466 km (0.08 R)
• M16: 14,505,907 km (0.102 R)
• M17: 15,009,304 km (0.119 R)
• M18: 19,291,393 km (0.071 R)
• M19: 20,521,387 km (0.062 R)
• M20: 21,247,236 km (0.047 R)
• M21: 28,011,603 km (0.105 R)
• M22: 30,395,295 km (0.062 R)
• M23: 30,629,117 km (0.118 R)
• M24: 31,456,991 km (0.111 R)
• M25: 32,787,964 km (0.101 R)
• M26: 34,282,297 km (0.099 R)
• M27: 35,691,359 km (0.086 R)
• M28: 38,215,524 km (0.033 R)
• M29: 39,590,777 km (0.113 R)
• M30: 40,856,226 km (0.109 R)
• M31: 42,878,190 km (0.025 R)
• M32: 46,497,711 km (0.115 R)
• M33: 49,665,446 km (0.061 R)
• M34: 50,315,897 km (0.115 R)
• M35: 50,643,218 km (0.117 R)
• M36: 52,805,356 km (0.085 R)
• M37: 53,312,941 km (0.04 R)
• M38: 61,695,209 km (0.081 R)
• M39: 62,258,295 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.4

Radius: 6.1

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.69 AU - 12.53 AU

Year: 21088 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,477,092 km

• M1: 76,295 km (0.1 R)
• M2: 433,385 km (0.095 R)
• M3: 2,322,208 km (0.107 R)
• M4: 2,885,294 km (0.085 R)
• M5: 4,722,805 km (0.073 R)
• M6: 5,465,109 km (0.114 R)
• M7: 7,319,824 km (0.06 R)
• M8: 7,511,309 km (0.107 R)
• M9: 8,105,811 km (0.113 R)
• M10: 8,946,701 km (0.051 R)
• M11: 13,035,809 km (0.084 R)
• M12: 13,459,919 km (0.084 R)
• M13: 15,017,083 km (0.04 R)
• M14: 15,799,181 km (0.106 R)
• M15: 17,274,814 km (0.052 R)
• M16: 18,929,666 km (0.09 R)
• M17: 26,496,625 km (0.082 R)
• M18: 28,219,245 km (0.059 R)
• M19: 30,754,330 km (0.08 R)
• M20: 42,568,972 km (0.045 R)
• M21: 43,815,571 km (0.107 R)
• M22: 49,556,838 km (0.088 R)
• M23: 50,588,764 km (0.086 R)
• M24: 50,935,981 km (0.09 R)
• M25: 51,284,693 km (0.119 R)
• M26: 63,304,433 km (0.062 R)
• M27: 72,574,565 km (0.119 R)
• M28: 73,237,582 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit