🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 14.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.42 AU - 0.66 AU

Year: 269 Days

Day: 5.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,071,599 km

• M1: 180,864 km (0.075 R)
• M2: 685,607 km (0.1 R)
• M3: 1,163,572 km (0.08 R)
• M4: 2,169,768 km (0.081 R)
• M5: 2,754,845 km (0.049 R)
• M6: 4,050,961 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 9.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 10.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,071,599 km

• M1: 120,875 km (0.035 R)
• M2: 428,000 km (0.098 R)
• M3: 771,177 km (0.057 R)
• M4: 1,085,033 km (0.111 R)
• M5: 1,388,717 km (0.062 R)
• M6: 1,708,856 km (0.092 R)
• M7: 2,374,567 km (0.108 R)
• M8: 2,772,049 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 13.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.91 AU - 1.15 AU

Year: 709 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,071,599 km

• M1: 166,652 km (0.109 R)
• M2: 600,187 km (0.099 R)
• M3: 1,282,054 km (0.117 R)
• M4: 1,850,526 km (0.061 R)
• M5: 2,441,288 km (0.097 R)
• M6: 2,879,011 km (0.074 R)
• M7: 4,131,744 km (0.058 R)
• M8: 4,724,899 km (0.049 R)
• M9: 5,169,654 km (0.076 R)
• M10: 6,062,005 km (0.075 R)
• M11: 8,534,858 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 8.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.16 AU - 1.2 AU

Year: 869 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,071,599 km

• M1: 105,766 km (0.027 R)
• M2: 372,648 km (0.097 R)
• M3: 1,124,527 km (0.043 R)
• M4: 1,450,351 km (0.115 R)
• M5: 2,028,697 km (0.109 R)
• M6: 2,343,151 km (0.059 R)
• M7: 3,037,136 km (0.076 R)
• M8: 3,537,990 km (0.092 R)
• M9: 3,861,570 km (0.054 R)
• M10: 4,134,586 km (0.034 R)
• M11: 4,464,599 km (0.11 R)
• M12: 5,112,806 km (0.055 R)
• M13: 6,109,278 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 8.2

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.51 AU - 2.05 AU

Year: 1611 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,071,599 km

• M1: 112,498 km (0.106 R)
• M2: 460,911 km (0.057 R)
• M3: 765,492 km (0.078 R)
• M4: 1,274,574 km (0.042 R)
• M5: 1,601,146 km (0.103 R)
• M6: 2,068,939 km (0.117 R)
• M7: 2,863,154 km (0.074 R)
• M8: 3,368,046 km (0.107 R)
• M9: 4,425,105 km (0.043 R)
• M10: 4,783,691 km (0.059 R)
• M11: 5,602,141 km (0.076 R)
• M12: 6,345,044 km (0.1 R)
• M13: 6,826,300 km (0.075 R)
• M14: 8,617,585 km (0.118 R)
• M15: 9,856,854 km (0.1 R)
• M16: 10,535,580 km (0.098 R)
• M17: 10,869,632 km (0.055 R)
• M18: 11,176,307 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 13.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.31 AU - 3.55 AU

Year: 4309 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,071,599 km

• M1: 168,148 km (0.098 R)
• M2: 645,515 km (0.095 R)
• M3: 1,293,872 km (0.114 R)
• M4: 2,137,754 km (0.096 R)
• M5: 2,582,957 km (0.036 R)
• M6: 3,704,642 km (0.051 R)
• M7: 7,453,415 km (0.075 R)
• M8: 8,527,827 km (0.063 R)
• M9: 9,139,383 km (0.066 R)
• M10: 10,900,299 km (0.08 R)
• M11: 13,252,875 km (0.096 R)
• M12: 17,935,887 km (0.081 R)
• M13: 21,850,714 km (0.056 R)
• M14: 22,724,216 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.6

Radius: 6.3

Gravity: 24.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.76 AU - 6.1 AU

Year: 9794 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,071,599 km

• M1: 78,389 km (0.111 R)
• M2: 294,558 km (0.116 R)
• M3: 513,569 km (0.032 R)
• M4: 754,871 km (0.096 R)
• M5: 1,212,790 km (0.104 R)
• M6: 1,447,659 km (0.092 R)
• M7: 1,712,896 km (0.048 R)
• M8: 2,099,157 km (0.11 R)
• M9: 2,440,540 km (0.12 R)
• M10: 2,709,666 km (0.087 R)
• M11: 3,637,921 km (0.031 R)
• M12: 5,917,493 km (0.055 R)
• M13: 6,837,819 km (0.077 R)
• M14: 7,894,429 km (0.077 R)
• M15: 8,719,761 km (0.119 R)
• M16: 9,450,247 km (0.071 R)
• M17: 14,246,056 km (0.073 R)
• M18: 15,958,203 km (0.116 R)
• M19: 16,388,596 km (0.042 R)
• M20: 22,086,480 km (0.113 R)
• M21: 23,808,800 km (0.052 R)
• M22: 24,465,385 km (0.041 R)
• M23: 28,555,391 km (0.107 R)
• M24: 29,833,406 km (0.045 R)
• M25: 32,963,143 km (0.092 R)
• M26: 33,194,720 km (0.102 R)
• M27: 33,661,017 km (0.086 R)
• M28: 35,936,400 km (0.079 R)
• M29: 36,551,846 km (0.085 R)
• M30: 38,312,314 km (0.068 R)
• M31: 40,260,527 km (0.06 R)
• M32: 40,924,293 km (0.059 R)
• M33: 41,595,389 km (0.082 R)
• M34: 44,353,076 km (0.093 R)
• M35: 46,645,214 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.5

Radius: 4.7

Gravity: 37.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.99 AU - 7.55 AU

Year: 13295 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,071,599 km

• M1: 58,493 km (0.052 R)
• M2: 266,883 km (0.057 R)
• M3: 614,249 km (0.109 R)
• M4: 849,866 km (0.092 R)
• M5: 1,742,815 km (0.091 R)
• M6: 1,970,653 km (0.048 R)
• M7: 2,529,102 km (0.12 R)
• M8: 2,940,197 km (0.068 R)
• M9: 3,238,046 km (0.082 R)
• M10: 8,203,498 km (0.082 R)
• M11: 8,593,650 km (0.119 R)
• M12: 10,617,410 km (0.06 R)
• M13: 10,847,342 km (0.081 R)
• M14: 11,021,922 km (0.088 R)
• M15: 13,600,840 km (0.119 R)
• M16: 14,636,805 km (0.069 R)
• M17: 15,948,031 km (0.061 R)
• M18: 16,478,505 km (0.094 R)
• M19: 17,335,700 km (0.094 R)
• M20: 17,734,977 km (0.108 R)
• M21: 18,801,909 km (0.084 R)
• M22: 19,053,982 km (0.096 R)
• M23: 21,517,410 km (0.076 R)
• M24: 22,071,520 km (0.087 R)
• M25: 24,884,708 km (0.043 R)
• M26: 26,534,623 km (0.09 R)
• M27: 28,366,150 km (0.088 R)
• M28: 29,369,054 km (0.094 R)
• M29: 31,210,155 km (0.039 R)
• M30: 31,800,767 km (0.052 R)
• M31: 33,004,581 km (0.08 R)
• M32: 36,536,138 km (0.064 R)
• M33: 36,928,833 km (0.07 R)
• M34: 39,481,571 km (0.093 R)
• M35: 41,863,169 km (0.105 R)
• M36: 58,726,589 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.8

Radius: 6.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.02 AU - 9.28 AU

Year: 18773 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,071,599 km

• M1: 82,129 km (0.104 R)
• M2: 535,261 km (0.083 R)
• M3: 1,071,121 km (0.115 R)
• M4: 1,657,694 km (0.07 R)
• M5: 2,243,370 km (0.079 R)
• M6: 3,496,850 km (0.096 R)
• M7: 6,873,573 km (0.044 R)
• M8: 7,462,690 km (0.082 R)
• M9: 8,455,571 km (0.064 R)
• M10: 9,687,509 km (0.041 R)
• M11: 11,723,836 km (0.077 R)
• M12: 13,314,809 km (0.115 R)
• M13: 14,095,560 km (0.056 R)
• M14: 15,044,609 km (0.054 R)
• M15: 17,296,356 km (0.078 R)
• M16: 19,680,348 km (0.104 R)
• M17: 21,211,332 km (0.093 R)
• M18: 23,003,515 km (0.073 R)
• M19: 26,378,742 km (0.059 R)
• M20: 30,290,726 km (0.101 R)
• M21: 31,071,927 km (0.064 R)
• M22: 34,331,515 km (0.118 R)
• M23: 36,543,169 km (0.097 R)
• M24: 37,683,853 km (0.104 R)
• M25: 40,169,422 km (0.107 R)
• M26: 45,174,967 km (0.103 R)
• M27: 47,826,738 km (0.07 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 14,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit