🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 8.7

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.63 AU - 1.01 AU

Year: 479 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,718,602 km

• M1: 109,206 km (0.109 R)
• M2: 384,018 km (0.03 R)
• M3: 732,730 km (0.063 R)
• M4: 1,102,686 km (0.081 R)
• M5: 1,552,078 km (0.049 R)
• M6: 1,902,436 km (0.062 R)
• M7: 2,305,602 km (0.096 R)
• M8: 2,886,042 km (0.103 R)
• M9: 3,175,215 km (0.112 R)
• M10: 3,458,254 km (0.09 R)
• M11: 3,866,806 km (0.114 R)
• M12: 4,501,550 km (0.104 R)
• M13: 4,844,129 km (0.051 R)
• M14: 6,411,765 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 8.5

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.85 AU - 1.41 AU

Year: 776 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,718,602 km

• M1: 105,766 km (0.067 R)
• M2: 503,247 km (0.057 R)
• M3: 838,346 km (0.064 R)
• M4: 1,440,179 km (0.056 R)
• M5: 2,140,446 km (0.099 R)
• M6: 2,541,069 km (0.09 R)
• M7: 3,087,102 km (0.113 R)
• M8: 3,506,424 km (0.118 R)
• M9: 3,877,278 km (0.087 R)
• M10: 6,742,526 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 8.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.89 AU - 1.41 AU

Year: 796 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,718,602 km

• M1: 102,026 km (0.061 R)
• M2: 397,930 km (0.096 R)
• M3: 667,506 km (0.031 R)
• M4: 1,165,517 km (0.102 R)
• M5: 1,426,715 km (0.093 R)
• M6: 1,697,188 km (0.112 R)
• M7: 2,132,368 km (0.107 R)
• M8: 2,660,897 km (0.096 R)
• M9: 3,250,163 km (0.117 R)
• M10: 3,776,598 km (0.116 R)
• M11: 4,088,360 km (0.052 R)
• M12: 4,373,344 km (0.07 R)
• M13: 4,656,383 km (0.031 R)
• M14: 4,983,404 km (0.044 R)
• M15: 5,614,258 km (0.09 R)
• M16: 5,949,208 km (0.115 R)
• M17: 6,372,271 km (0.111 R)

Asteroid Belt

Center: 1.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 14.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.54 AU - 1.78 AU

Year: 1381 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,718,602 km

• M1: 180,415 km (0.112 R)
• M2: 637,287 km (0.042 R)
• M3: 1,105,528 km (0.062 R)
• M4: 1,738,327 km (0.1 R)
• M5: 2,289,895 km (0.082 R)
• M6: 3,156,964 km (0.117 R)
• M7: 3,947,289 km (0.089 R)
• M8: 4,412,838 km (0.095 R)
• M9: 5,030,228 km (0.051 R)
• M10: 6,225,815 km (0.081 R)
• M11: 7,067,303 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 14.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.39 AU - 6.75 AU

Year: 8488 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,718,602 km

• M1: 182,958 km (0.066 R)
• M2: 724,353 km (0.116 R)
• M3: 1,822,850 km (0.113 R)
• M4: 2,573,831 km (0.079 R)
• M5: 3,410,831 km (0.117 R)
• M6: 3,956,116 km (0.043 R)
• M7: 5,886,527 km (0.073 R)
• M8: 6,569,291 km (0.08 R)
• M9: 7,304,415 km (0.102 R)
• M10: 7,931,530 km (0.077 R)
• M11: 9,474,632 km (0.117 R)
• M12: 10,807,399 km (0.06 R)
• M13: 14,139,093 km (0.107 R)
• M14: 14,682,881 km (0.032 R)
• M15: 16,201,749 km (0.048 R)
• M16: 19,848,346 km (0.029 R)
• M17: 21,307,524 km (0.038 R)
• M18: 22,023,200 km (0.106 R)
• M19: 26,750,493 km (0.109 R)
• M20: 27,583,753 km (0.058 R)
• M21: 30,586,481 km (0.07 R)
• M22: 38,506,791 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.3

Radius: 6.4

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.74 AU - 7.28 AU

Year: 10725 Days

Day: 18.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,718,602 km

• M1: 79,736 km (0.108 R)
• M2: 1,156,990 km (0.077 R)
• M3: 1,719,478 km (0.053 R)
• M4: 2,078,363 km (0.051 R)
• M5: 2,633,371 km (0.042 R)
• M6: 2,905,340 km (0.106 R)
• M7: 3,415,319 km (0.112 R)
• M8: 3,739,498 km (0.07 R)
• M9: 4,950,942 km (0.1 R)
• M10: 5,902,234 km (0.12 R)
• M11: 6,267,403 km (0.072 R)
• M12: 6,861,306 km (0.105 R)
• M13: 8,039,988 km (0.091 R)
• M14: 8,282,785 km (0.119 R)
• M15: 8,488,931 km (0.104 R)
• M16: 11,388,437 km (0.114 R)
• M17: 13,031,919 km (0.075 R)
• M18: 13,708,550 km (0.108 R)
• M19: 14,766,955 km (0.049 R)
• M20: 16,979,209 km (0.1 R)
• M21: 18,688,514 km (0.085 R)
• M22: 20,210,373 km (0.113 R)
• M23: 20,811,308 km (0.076 R)
• M24: 21,039,594 km (0.079 R)
• M25: 22,605,136 km (0.073 R)
• M26: 23,580,813 km (0.119 R)
• M27: 24,669,138 km (0.101 R)
• M28: 25,528,877 km (0.081 R)
• M29: 28,042,121 km (0.074 R)
• M30: 29,167,994 km (0.044 R)
• M31: 29,838,492 km (0.113 R)
• M32: 32,317,179 km (0.096 R)
• M33: 35,144,729 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.6

Radius: 7.7

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.24 AU - 7.62 AU

Year: 11779 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,718,602 km

• M1: 95,743 km (0.098 R)
• M2: 440,416 km (0.061 R)
• M3: 891,005 km (0.069 R)
• M4: 1,499,270 km (0.055 R)
• M5: 1,816,567 km (0.113 R)
• M6: 2,321,460 km (0.11 R)
• M7: 2,567,847 km (0.097 R)
• M8: 3,609,497 km (0.087 R)
• M9: 5,094,705 km (0.113 R)
• M10: 19,022,267 km (0.094 R)
• M11: 26,078,948 km (0.101 R)
• M12: 32,581,668 km (0.073 R)
• M13: 34,361,434 km (0.116 R)
• M14: 35,159,988 km (0.078 R)
• M15: 36,322,213 km (0.115 R)
• M16: 40,087,891 km (0.1 R)
• M17: 40,972,912 km (0.051 R)
• M18: 45,730,723 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.9

Radius: 8

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.52 AU - 8.26 AU

Year: 12971 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,718,602 km

• M1: 99,931 km (0.062 R)
• M2: 483,800 km (0.05 R)
• M3: 866,471 km (0.087 R)
• M4: 1,900,940 km (0.028 R)
• M5: 4,906,062 km (0.118 R)
• M6: 6,583,204 km (0.046 R)
• M7: 8,013,060 km (0.069 R)
• M8: 9,947,361 km (0.091 R)
• M9: 12,534,058 km (0.071 R)
• M10: 13,276,362 km (0.098 R)
• M11: 16,394,431 km (0.086 R)
• M12: 17,131,649 km (0.112 R)
• M13: 18,278,616 km (0.111 R)
• M14: 19,394,616 km (0.118 R)
• M15: 26,356,153 km (0.082 R)
• M16: 27,572,384 km (0.105 R)
• M17: 29,038,293 km (0.081 R)
• M18: 32,238,640 km (0.079 R)
• M19: 33,746,736 km (0.07 R)
• M20: 35,059,159 km (0.029 R)
• M21: 37,785,281 km (0.07 R)
• M22: 41,590,452 km (0.117 R)
• M23: 42,134,689 km (0.08 R)
• M24: 42,408,453 km (0.115 R)
• M25: 43,935,847 km (0.062 R)
• M26: 48,138,052 km (0.085 R)
• M27: 48,587,444 km (0.026 R)
• M28: 48,888,584 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.8

Radius: 7.3

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.45 AU - 8.47 AU

Year: 15888 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,718,602 km

• M1: 90,956 km (0.081 R)
• M2: 550,071 km (0.027 R)
• M3: 940,223 km (0.108 R)
• M4: 1,342,491 km (0.074 R)
• M5: 2,078,363 km (0.116 R)
• M6: 2,884,247 km (0.076 R)
• M7: 3,212,016 km (0.066 R)
• M8: 4,157,175 km (0.049 R)
• M9: 4,745,095 km (0.119 R)
• M10: 5,349,919 km (0.089 R)
• M11: 5,651,808 km (0.116 R)
• M12: 6,004,859 km (0.115 R)
• M13: 6,541,017 km (0.112 R)
• M14: 7,108,592 km (0.117 R)
• M15: 8,645,261 km (0.09 R)
• M16: 9,008,784 km (0.116 R)
• M17: 11,408,782 km (0.109 R)
• M18: 14,565,297 km (0.09 R)
• M19: 15,080,363 km (0.093 R)
• M20: 18,945,673 km (0.08 R)
• M21: 19,470,911 km (0.097 R)
• M22: 25,693,883 km (0.086 R)
• M23: 30,070,967 km (0.104 R)
• M24: 31,026,449 km (0.047 R)
• M25: 32,372,979 km (0.109 R)
• M26: 35,313,774 km (0.08 R)
• M27: 35,577,665 km (0.12 R)
• M28: 38,288,827 km (0.101 R)
• M29: 44,271,545 km (0.083 R)
• M30: 45,351,642 km (0.101 R)
• M31: 46,765,940 km (0.035 R)
• M32: 52,545,953 km (0.081 R)
• M33: 57,499,138 km (0.079 R)
• M34: 60,842,501 km (0.101 R)
• M35: 65,102,001 km (0.037 R)
• M36: 67,304,531 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286

Radius: 4.8

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.26 AU - 9.72 AU

Year: 18876 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,718,602 km

• M1: 59,989 km (0.049 R)
• M2: 309,668 km (0.115 R)
• M3: 530,624 km (0.104 R)
• M4: 834,307 km (0.059 R)
• M5: 1,420,581 km (0.111 R)
• M6: 1,988,455 km (0.074 R)
• M7: 3,058,977 km (0.088 R)
• M8: 3,402,753 km (0.026 R)
• M9: 3,994,712 km (0.084 R)
• M10: 11,573,340 km (0.08 R)
• M11: 13,086,373 km (0.097 R)
• M12: 16,944,652 km (0.092 R)
• M13: 17,170,544 km (0.106 R)
• M14: 18,172,252 km (0.085 R)
• M15: 33,038,241 km (0.058 R)
• M16: 34,704,612 km (0.119 R)
• M17: 35,928,771 km (0.092 R)
• M18: 40,573,785 km (0.075 R)
• M19: 43,600,898 km (0.107 R)
• M20: 47,666,669 km (0.119 R)
• M21: 51,346,926 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 13,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit