🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 10.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.75 AU - 0.93 AU

Year: 505 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,186,210 km

• M1: 128,205 km (0.093 R)
• M2: 496,216 km (0.08 R)
• M3: 984,803 km (0.057 R)
• M4: 1,349,373 km (0.096 R)
• M5: 2,013,438 km (0.11 R)
• M6: 2,452,807 km (0.079 R)
• M7: 2,903,545 km (0.117 R)
• M8: 3,646,747 km (0.106 R)
• M9: 4,155,978 km (0.091 R)
• M10: 5,460,173 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 13.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.32 AU - 1.36 AU

Year: 1018 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,186,210 km

• M1: 166,951 km (0.052 R)
• M2: 609,462 km (0.099 R)
• M3: 1,114,803 km (0.086 R)
• M4: 1,739,973 km (0.111 R)
• M5: 2,207,616 km (0.032 R)
• M6: 2,727,917 km (0.111 R)
• M7: 3,478,150 km (0.11 R)
• M8: 3,923,204 km (0.087 R)
• M9: 5,425,316 km (0.062 R)
• M10: 6,009,047 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.18 AU - 1.56 AU

Year: 1052 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,186,210 km

• M1: 99,483 km (0.095 R)
• M2: 482,603 km (0.075 R)
• M3: 1,368,671 km (0.071 R)
• M4: 2,381,149 km (0.058 R)
• M5: 3,127,942 km (0.086 R)
• M6: 4,108,706 km (0.066 R)
• M7: 4,421,066 km (0.084 R)
• M8: 5,944,271 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 10.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.13 AU - 5.15 AU

Year: 5526 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 105.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,186,210 km

• M1: 138,827 km (0.117 R)
• M2: 497,862 km (0.108 R)
• M3: 999,314 km (0.1 R)
• M4: 1,926,521 km (0.119 R)
• M5: 2,341,506 km (0.074 R)
• M6: 3,354,134 km (0.076 R)
• M7: 4,410,594 km (0.036 R)
• M8: 4,753,323 km (0.107 R)
• M9: 5,313,716 km (0.061 R)
• M10: 5,890,566 km (0.086 R)
• M11: 6,744,022 km (0.081 R)
• M12: 7,645,349 km (0.113 R)
• M13: 8,909,750 km (0.049 R)
• M14: 10,792,290 km (0.106 R)
• M15: 12,742,597 km (0.057 R)
• M16: 13,300,148 km (0.112 R)
• M17: 17,328,819 km (0.11 R)
• M18: 17,898,188 km (0.094 R)
• M19: 18,834,821 km (0.06 R)
• M20: 20,742,493 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.1

Radius: 6.4

Gravity: 22.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.21 AU - 7.11 AU

Year: 10030 Days

Day: 21.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,186,210 km

• M1: 79,736 km (0.116 R)
• M2: 343,028 km (0.113 R)
• M3: 737,368 km (0.085 R)
• M4: 973,882 km (0.03 R)
• M5: 1,391,111 km (0.109 R)
• M6: 2,042,460 km (0.099 R)
• M7: 3,204,536 km (0.091 R)
• M8: 3,927,094 km (0.051 R)
• M9: 4,944,359 km (0.095 R)
• M10: 5,376,248 km (0.032 R)
• M11: 8,146,502 km (0.102 R)
• M12: 10,411,413 km (0.119 R)
• M13: 10,844,050 km (0.115 R)
• M14: 11,630,038 km (0.116 R)
• M15: 13,568,228 km (0.065 R)
• M16: 16,066,063 km (0.05 R)
• M17: 17,460,764 km (0.085 R)
• M18: 18,304,197 km (0.11 R)
• M19: 24,601,370 km (0.066 R)
• M20: 25,856,197 km (0.077 R)
• M21: 26,950,804 km (0.042 R)
• M22: 27,663,189 km (0.079 R)
• M23: 29,552,760 km (0.099 R)
• M24: 30,201,267 km (0.103 R)
• M25: 35,129,619 km (0.042 R)
• M26: 36,718,947 km (0.093 R)
• M27: 37,594,244 km (0.087 R)
• M28: 37,973,475 km (0.095 R)
• M29: 38,355,398 km (0.058 R)
• M30: 45,103,608 km (0.068 R)
• M31: 45,963,048 km (0.096 R)
• M32: 46,541,992 km (0.107 R)
• M33: 47,419,533 km (0.087 R)
• M34: 49,358,621 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.9

Radius: 7.7

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.39 AU - 9.47 AU

Year: 17506 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,186,210 km

• M1: 97,388 km (0.117 R)
• M2: 346,319 km (0.114 R)
• M3: 651,200 km (0.074 R)
• M4: 1,469,649 km (0.096 R)
• M5: 1,720,376 km (0.103 R)
• M6: 2,059,364 km (0.099 R)
• M7: 3,523,628 km (0.073 R)
• M8: 4,203,251 km (0.079 R)
• M9: 5,041,149 km (0.094 R)
• M10: 7,666,143 km (0.095 R)
• M11: 8,067,215 km (0.076 R)
• M12: 9,639,189 km (0.091 R)
• M13: 11,928,336 km (0.115 R)
• M14: 14,939,591 km (0.049 R)
• M15: 17,292,018 km (0.104 R)
• M16: 17,721,214 km (0.101 R)
• M17: 21,316,350 km (0.054 R)
• M18: 22,109,518 km (0.068 R)
• M19: 25,923,965 km (0.115 R)
• M20: 27,056,720 km (0.1 R)
• M21: 27,868,887 km (0.089 R)
• M22: 38,193,384 km (0.107 R)
• M23: 47,215,631 km (0.107 R)
• M24: 50,803,736 km (0.098 R)
• M25: 58,709,834 km (0.098 R)
• M26: 66,346,057 km (0.101 R)
• M27: 68,460,324 km (0.108 R)
• M28: 69,103,146 km (0.064 R)
• M29: 73,045,499 km (0.101 R)
• M30: 73,941,590 km (0.088 R)
• M31: 75,299,191 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.8

Radius: 6.8

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.79 AU - 10.63 AU

Year: 19849 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,186,210 km

• M1: 84,523 km (0.089 R)
• M2: 334,501 km (0.099 R)
• M3: 552,166 km (0.099 R)
• M4: 770,279 km (0.043 R)
• M5: 1,145,620 km (0.103 R)
• M6: 1,637,947 km (0.069 R)
• M7: 2,181,885 km (0.068 R)
• M8: 3,795,747 km (0.102 R)
• M9: 4,095,691 km (0.093 R)
• M10: 4,950,194 km (0.109 R)
• M11: 5,199,424 km (0.1 R)
• M12: 6,158,496 km (0.036 R)
• M13: 7,051,296 km (0.07 R)
• M14: 8,076,041 km (0.085 R)
• M15: 11,309,599 km (0.077 R)
• M16: 12,446,094 km (0.086 R)
• M17: 15,390,330 km (0.065 R)
• M18: 15,769,261 km (0.093 R)
• M19: 23,999,687 km (0.118 R)
• M20: 34,055,506 km (0.072 R)
• M21: 39,998,132 km (0.067 R)
• M22: 43,213,140 km (0.077 R)
• M23: 49,328,551 km (0.12 R)
• M24: 51,152,150 km (0.108 R)
• M25: 58,345,563 km (0.105 R)
• M26: 62,087,155 km (0.08 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 12,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit