🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.8

Radius: 10.3

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.88 AU - 0.9 AU

Year: 580 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,736,262 km

• M1: 128,056 km (0.036 R)
• M2: 537,206 km (0.032 R)
• M3: 1,465,760 km (0.119 R)
• M4: 2,028,248 km (0.063 R)
• M5: 2,390,724 km (0.073 R)
• M6: 2,785,363 km (0.069 R)
• M7: 3,273,650 km (0.1 R)
• M8: 3,790,212 km (0.116 R)
• M9: 4,484,495 km (0.062 R)
• M10: 4,937,029 km (0.1 R)
• M11: 5,366,674 km (0.072 R)
• M12: 5,915,100 km (0.087 R)
• M13: 6,642,594 km (0.096 R)
• M14: 6,975,150 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 9.2

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1 AU - 1.06 AU

Year: 722 Days

Day: 14 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,736,262 km

• M1: 114,442 km (0.086 R)
• M2: 445,951 km (0.047 R)
• M3: 876,045 km (0.038 R)
• M4: 1,280,109 km (0.091 R)
• M5: 1,613,862 km (0.071 R)
• M6: 2,696,352 km (0.103 R)
• M7: 3,008,712 km (0.073 R)
• M8: 3,550,855 km (0.1 R)
• M9: 4,064,125 km (0.115 R)
• M10: 5,631,911 km (0.101 R)
• M11: 6,064,698 km (0.102 R)
• M12: 7,041,721 km (0.113 R)
• M13: 7,567,857 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 13.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.01 AU - 1.05 AU

Year: 722 Days

Day: 14.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,736,262 km

• M1: 166,652 km (0.072 R)
• M2: 612,902 km (0.092 R)
• M3: 1,513,781 km (0.04 R)
• M4: 2,087,937 km (0.113 R)
• M5: 2,614,672 km (0.073 R)
• M6: 3,181,797 km (0.105 R)
• M7: 3,657,070 km (0.113 R)
• M8: 4,179,765 km (0.1 R)
• M9: 4,768,133 km (0.114 R)
• M10: 5,480,368 km (0.11 R)
• M11: 6,055,572 km (0.092 R)
• M12: 6,611,478 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 9.9

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.02 AU - 1.18 AU

Year: 796 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,736,262 km

• M1: 123,119 km (0.107 R)
• M2: 526,285 km (0.051 R)
• M3: 851,511 km (0.108 R)
• M4: 1,846,636 km (0.071 R)
• M5: 2,320,413 km (0.09 R)
• M6: 2,707,422 km (0.052 R)
• M7: 3,035,191 km (0.11 R)
• M8: 3,458,104 km (0.106 R)
• M9: 4,605,670 km (0.103 R)
• M10: 5,004,049 km (0.116 R)
• M11: 5,615,754 km (0.108 R)
• M12: 7,777,145 km (0.116 R)
• M13: 8,243,142 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 9.3

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.9 AU - 1.46 AU

Year: 885 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,736,262 km

• M1: 115,639 km (0.107 R)
• M2: 520,900 km (0.067 R)
• M3: 941,868 km (0.068 R)
• M4: 1,299,258 km (0.107 R)
• M5: 1,660,088 km (0.097 R)
• M6: 2,077,615 km (0.062 R)
• M7: 2,529,550 km (0.118 R)
• M8: 3,587,357 km (0.077 R)
• M9: 4,094,344 km (0.106 R)
• M10: 4,407,452 km (0.112 R)
• M11: 4,971,137 km (0.065 R)
• M12: 5,803,500 km (0.099 R)
• M13: 6,263,812 km (0.086 R)
• M14: 7,329,248 km (0.042 R)
• M15: 8,941,166 km (0.081 R)
• M16: 9,357,347 km (0.081 R)
• M17: 9,699,627 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.6

Radius: 12.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.58 AU - 2.34 AU

Year: 1894 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,736,262 km

• M1: 150,645 km (0.062 R)
• M2: 785,389 km (0.107 R)
• M3: 1,232,387 km (0.114 R)
• M4: 1,629,869 km (0.092 R)
• M5: 2,094,221 km (0.119 R)
• M6: 2,658,653 km (0.071 R)
• M7: 4,463,701 km (0.099 R)
• M8: 9,196,080 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.4

Radius: 13.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.53 AU - 2.75 AU

Year: 2961 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,736,262 km

• M1: 185,202 km (0.033 R)
• M2: 1,447,659 km (0.046 R)
• M3: 2,574,430 km (0.109 R)
• M4: 3,614,434 km (0.067 R)
• M5: 4,509,628 km (0.093 R)
• M6: 6,717,393 km (0.118 R)
• M7: 7,543,473 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 12.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.55 AU - 6.17 AU

Year: 8566 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,736,262 km

• M1: 153,039 km (0.071 R)
• M2: 536,308 km (0.055 R)
• M3: 1,004,550 km (0.117 R)
• M4: 1,737,280 km (0.087 R)
• M5: 2,301,264 km (0.056 R)
• M6: 2,902,947 km (0.056 R)
• M7: 3,467,379 km (0.073 R)
• M8: 3,950,431 km (0.079 R)
• M9: 4,788,628 km (0.049 R)
• M10: 5,547,987 km (0.103 R)
• M11: 6,744,171 km (0.099 R)
• M12: 7,422,897 km (0.099 R)
• M13: 7,940,954 km (0.12 R)
• M14: 8,355,939 km (0.103 R)
• M15: 13,284,590 km (0.104 R)
• M16: 17,064,330 km (0.119 R)
• M17: 19,949,325 km (0.091 R)
• M18: 21,587,422 km (0.115 R)
• M19: 22,071,520 km (0.047 R)
• M20: 23,567,349 km (0.093 R)
• M21: 24,080,620 km (0.113 R)
• M22: 24,776,699 km (0.091 R)
• M23: 26,852,668 km (0.036 R)
• M24: 27,601,256 km (0.075 R)
• M25: 29,042,183 km (0.079 R)
• M26: 30,331,118 km (0.114 R)
• M27: 35,088,031 km (0.058 R)
• M28: 36,778,038 km (0.073 R)
• M29: 40,198,444 km (0.074 R)
• M30: 40,808,953 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 4.5

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.92 AU - 6.82 AU

Year: 11097 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,736,262 km

• M1: 56,099 km (0.031 R)
• M2: 239,357 km (0.088 R)
• M3: 386,112 km (0.111 R)
• M4: 538,104 km (0.077 R)
• M5: 905,067 km (0.042 R)
• M6: 1,191,547 km (0.087 R)
• M7: 1,796,072 km (0.082 R)
• M8: 2,851,934 km (0.1 R)
• M9: 3,288,311 km (0.098 R)
• M10: 4,345,070 km (0.061 R)
• M11: 4,531,768 km (0.086 R)
• M12: 4,836,350 km (0.074 R)
• M13: 5,363,682 km (0.109 R)
• M14: 6,292,834 km (0.039 R)
• M15: 7,474,957 km (0.114 R)
• M16: 8,018,595 km (0.07 R)
• M17: 9,054,112 km (0.117 R)
• M18: 9,447,854 km (0.094 R)
• M19: 10,458,238 km (0.071 R)
• M20: 10,891,623 km (0.112 R)
• M21: 14,034,075 km (0.104 R)
• M22: 14,979,983 km (0.099 R)
• M23: 23,305,403 km (0.115 R)
• M24: 23,795,935 km (0.083 R)
• M25: 31,109,176 km (0.067 R)
• M26: 33,120,669 km (0.086 R)
• M27: 34,368,166 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 15,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit