🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 14.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.4 AU - 2.06 AU

Year: 1543 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,788,560 km

• M1: 181,612 km (0.06 R)
• M2: 647,609 km (0.078 R)
• M3: 1,406,370 km (0.082 R)
• M4: 1,904,830 km (0.119 R)
• M5: 2,654,165 km (0.067 R)
• M6: 3,304,767 km (0.11 R)
• M7: 3,796,345 km (0.106 R)
• M8: 5,116,995 km (0.103 R)
• M9: 5,733,488 km (0.117 R)
• M10: 6,725,471 km (0.091 R)
• M11: 7,249,513 km (0.071 R)
• M12: 8,203,349 km (0.081 R)
• M13: 8,988,139 km (0.087 R)
• M14: 10,637,605 km (0.049 R)
• M15: 11,608,496 km (0.09 R)
• M16: 12,834,600 km (0.111 R)
• M17: 13,851,416 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 10.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.7 AU - 2.4 AU

Year: 1991 Days

Day: 5.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,788,560 km

• M1: 134,339 km (0.105 R)
• M2: 516,113 km (0.055 R)
• M3: 1,012,179 km (0.108 R)
• M4: 1,562,699 km (0.078 R)
• M5: 2,201,333 km (0.046 R)
• M6: 2,686,778 km (0.093 R)
• M7: 3,534,549 km (0.095 R)
• M8: 4,107,658 km (0.072 R)
• M9: 5,046,086 km (0.109 R)
• M10: 5,382,531 km (0.105 R)
• M11: 5,997,528 km (0.101 R)
• M12: 6,882,100 km (0.117 R)
• M13: 7,704,141 km (0.075 R)
• M14: 8,177,169 km (0.069 R)
• M15: 8,616,688 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.6

Radius: 13.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.18 AU - 2.94 AU

Year: 2778 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,788,560 km

• M1: 170,392 km (0.091 R)
• M2: 700,417 km (0.119 R)
• M3: 1,221,317 km (0.103 R)
• M4: 1,709,455 km (0.094 R)
• M5: 3,318,978 km (0.078 R)
• M6: 3,941,006 km (0.087 R)
• M7: 4,419,719 km (0.025 R)
• M8: 5,802,453 km (0.097 R)
• M9: 6,651,271 km (0.095 R)
• M10: 8,028,619 km (0.12 R)
• M11: 9,118,289 km (0.093 R)
• M12: 11,632,581 km (0.07 R)
• M13: 12,099,775 km (0.103 R)
• M14: 13,623,878 km (0.043 R)
• M15: 14,432,155 km (0.115 R)
• M16: 19,730,014 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 8.8

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.74 AU - 6.06 AU

Year: 7357 Days

Day: 9 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,788,560 km

• M1: 118,631 km (0.077 R)
• M2: 563,685 km (0.068 R)
• M3: 1,167,911 km (0.116 R)
• M4: 1,732,493 km (0.105 R)
• M5: 2,256,534 km (0.109 R)
• M6: 3,042,521 km (0.052 R)
• M7: 5,330,621 km (0.112 R)
• M8: 6,407,726 km (0.057 R)
• M9: 7,029,903 km (0.076 R)
• M10: 15,308,201 km (0.102 R)
• M11: 17,463,008 km (0.096 R)
• M12: 17,760,708 km (0.059 R)
• M13: 22,364,582 km (0.079 R)
• M14: 23,142,491 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.2

Radius: 13.2

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.25 AU - 5.37 AU

Year: 8299 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,788,560 km

• M1: 164,258 km (0.099 R)
• M2: 579,991 km (0.036 R)
• M3: 1,397,244 km (0.108 R)
• M4: 1,931,458 km (0.096 R)
• M5: 2,756,640 km (0.113 R)
• M6: 3,174,018 km (0.112 R)
• M7: 4,463,552 km (0.113 R)
• M8: 6,356,414 km (0.115 R)
• M9: 7,016,739 km (0.084 R)
• M10: 8,176,571 km (0.053 R)
• M11: 8,736,366 km (0.045 R)
• M12: 9,885,128 km (0.104 R)
• M13: 11,983,537 km (0.106 R)
• M14: 15,961,943 km (0.091 R)
• M15: 16,769,622 km (0.112 R)
• M16: 19,131,623 km (0.073 R)
• M17: 19,583,857 km (0.104 R)
• M18: 24,595,386 km (0.081 R)
• M19: 26,875,856 km (0.043 R)
• M20: 31,643,839 km (0.066 R)
• M21: 34,006,588 km (0.109 R)
• M22: 35,569,886 km (0.09 R)
• M23: 36,139,704 km (0.059 R)
• M24: 37,180,756 km (0.079 R)
• M25: 38,839,796 km (0.116 R)
• M26: 39,687,567 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.1

Radius: 6.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.76 AU - 8.12 AU

Year: 12400 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,788,560 km

• M1: 88,263 km (0.049 R)
• M2: 580,889 km (0.083 R)
• M3: 1,592,021 km (0.117 R)
• M4: 2,091,378 km (0.119 R)
• M5: 2,332,829 km (0.09 R)
• M6: 3,515,251 km (0.091 R)
• M7: 7,183,091 km (0.113 R)
• M8: 10,681,138 km (0.115 R)
• M9: 12,937,523 km (0.071 R)
• M10: 13,342,185 km (0.067 R)
• M11: 13,695,835 km (0.117 R)
• M12: 15,493,403 km (0.082 R)
• M13: 17,372,950 km (0.115 R)
• M14: 18,151,158 km (0.06 R)
• M15: 19,701,142 km (0.082 R)
• M16: 21,417,478 km (0.09 R)
• M17: 23,571,388 km (0.102 R)
• M18: 28,111,833 km (0.089 R)
• M19: 30,688,358 km (0.07 R)
• M20: 34,953,094 km (0.087 R)
• M21: 38,875,400 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.7

Radius: 7.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9 AU - 9.52 AU

Year: 19112 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,788,560 km

• M1: 97,687 km (0.037 R)
• M2: 403,914 km (0.054 R)
• M3: 1,394,851 km (0.115 R)
• M4: 1,818,811 km (0.062 R)
• M5: 2,526,409 km (0.106 R)
• M6: 3,218,748 km (0.095 R)
• M7: 3,709,130 km (0.107 R)
• M8: 4,372,297 km (0.119 R)
• M9: 5,840,301 km (0.093 R)
• M10: 6,569,740 km (0.119 R)
• M11: 8,018,595 km (0.097 R)
• M12: 11,678,657 km (0.038 R)
• M13: 12,121,766 km (0.113 R)
• M14: 13,897,193 km (0.11 R)
• M15: 14,904,137 km (0.083 R)
• M16: 17,633,101 km (0.104 R)
• M17: 18,150,859 km (0.116 R)
• M18: 18,678,641 km (0.088 R)
• M19: 24,056,684 km (0.077 R)
• M20: 27,353,971 km (0.076 R)
• M21: 31,221,524 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 15,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit