🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 8.1

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.5 AU - 0.72 AU

Year: 323 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,458,709 km

• M1: 100,679 km (0.082 R)
• M2: 358,736 km (0.077 R)
• M3: 632,949 km (0.086 R)
• M4: 893,997 km (0.089 R)
• M5: 1,491,341 km (0.113 R)
• M6: 2,061,010 km (0.082 R)
• M7: 2,366,040 km (0.105 R)
• M8: 2,739,287 km (0.065 R)
• M9: 3,183,293 km (0.063 R)
• M10: 3,604,561 km (0.067 R)
• M11: 3,913,929 km (0.073 R)
• M12: 4,253,965 km (0.113 R)
• M13: 4,599,835 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 8.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.79 AU - 1.03 AU

Year: 589 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,458,709 km

• M1: 102,475 km (0.11 R)
• M2: 425,456 km (0.091 R)
• M3: 948,151 km (0.109 R)
• M4: 1,342,491 km (0.108 R)
• M5: 1,984,565 km (0.081 R)
• M6: 2,298,870 km (0.106 R)
• M7: 2,752,002 km (0.105 R)
• M8: 3,275,595 km (0.089 R)
• M9: 4,611,654 km (0.063 R)
• M10: 5,945,618 km (0.092 R)
• M11: 6,315,873 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.1

Radius: 9.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.12 AU - 1.26 AU

Year: 880 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,458,709 km

• M1: 122,371 km (0.115 R)
• M2: 502,050 km (0.108 R)
• M3: 864,227 km (0.113 R)
• M4: 1,683,874 km (0.069 R)
• M5: 2,000,872 km (0.034 R)
• M6: 2,721,784 km (0.1 R)
• M7: 3,109,990 km (0.091 R)
• M8: 3,709,728 km (0.071 R)
• M9: 6,748,958 km (0.119 R)
• M10: 7,298,282 km (0.1 R)
• M11: 9,459,223 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888

Radius: 10.7

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.21 AU - 1.31 AU

Year: 959 Days

Day: 9.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 78 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,458,709 km

• M1: 133,441 km (0.082 R)
• M2: 621,280 km (0.112 R)
• M3: 1,067,381 km (0.076 R)
• M4: 1,559,857 km (0.056 R)
• M5: 2,074,174 km (0.116 R)
• M6: 2,552,738 km (0.118 R)
• M7: 3,104,305 km (0.08 R)
• M8: 3,534,998 km (0.099 R)
• M9: 3,924,102 km (0.106 R)
• M10: 4,789,376 km (0.075 R)
• M11: 5,651,808 km (0.091 R)
• M12: 8,125,857 km (0.114 R)
• M13: 8,751,625 km (0.104 R)
• M14: 9,350,765 km (0.038 R)
• M15: 9,976,981 km (0.095 R)
• M16: 10,347,236 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 12.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.27 AU - 1.97 AU

Year: 1399 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,458,709 km

• M1: 159,471 km (0.088 R)
• M2: 680,820 km (0.06 R)
• M3: 1,099,395 km (0.084 R)
• M4: 2,024,358 km (0.117 R)
• M5: 2,517,283 km (0.076 R)
• M6: 4,316,198 km (0.113 R)
• M7: 5,141,828 km (0.101 R)
• M8: 5,823,097 km (0.102 R)
• M9: 6,630,028 km (0.091 R)
• M10: 7,631,586 km (0.116 R)
• M11: 9,674,046 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.2

Radius: 9.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.04 AU - 2.6 AU

Year: 2397 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,458,709 km

• M1: 121,922 km (0.072 R)
• M2: 431,440 km (0.102 R)
• M3: 747,690 km (0.104 R)
• M4: 1,276,219 km (0.115 R)
• M5: 1,660,237 km (0.111 R)
• M6: 2,086,442 km (0.116 R)
• M7: 2,979,690 km (0.105 R)
• M8: 3,546,517 km (0.096 R)
• M9: 4,297,199 km (0.093 R)
• M10: 5,021,851 km (0.116 R)
• M11: 5,413,648 km (0.067 R)
• M12: 6,185,124 km (0.104 R)
• M13: 6,764,965 km (0.101 R)
• M14: 8,239,552 km (0.074 R)
• M15: 9,584,736 km (0.052 R)
• M16: 10,155,003 km (0.045 R)
• M17: 12,824,726 km (0.089 R)
• M18: 13,767,791 km (0.117 R)
• M19: 14,712,502 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.9

Radius: 13.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.33 AU - 2.33 AU

Year: 2412 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,458,709 km

• M1: 164,707 km (0.079 R)
• M2: 659,577 km (0.09 R)
• M3: 1,110,764 km (0.1 R)
• M4: 1,560,605 km (0.11 R)
• M5: 2,391,771 km (0.102 R)
• M6: 3,950,730 km (0.071 R)
• M7: 4,947,950 km (0.109 R)
• M8: 5,739,023 km (0.097 R)
• M9: 6,687,324 km (0.106 R)
• M10: 7,519,088 km (0.099 R)
• M11: 8,130,195 km (0.107 R)
• M12: 11,371,533 km (0.052 R)
• M13: 12,215,564 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 10.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.48 AU - 3.7 AU

Year: 4614 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,458,709 km

• M1: 131,796 km (0.074 R)
• M2: 837,449 km (0.04 R)
• M3: 1,344,885 km (0.105 R)
• M4: 1,677,142 km (0.049 R)
• M5: 3,211,268 km (0.053 R)
• M6: 6,153,858 km (0.102 R)
• M7: 10,083,196 km (0.098 R)
• M8: 10,761,472 km (0.099 R)
• M9: 12,930,791 km (0.114 R)
• M10: 16,218,204 km (0.094 R)
• M11: 18,362,989 km (0.079 R)
• M12: 26,554,220 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 13.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.6 AU - 4.68 AU

Year: 5713 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,458,709 km

• M1: 173,982 km (0.082 R)
• M2: 1,009,636 km (0.091 R)
• M3: 1,623,286 km (0.066 R)
• M4: 2,403,439 km (0.102 R)
• M5: 2,969,817 km (0.112 R)
• M6: 3,771,063 km (0.056 R)
• M7: 4,327,717 km (0.12 R)
• M8: 4,964,705 km (0.089 R)
• M9: 5,748,298 km (0.035 R)
• M10: 6,488,808 km (0.098 R)
• M11: 8,017,399 km (0.08 R)
• M12: 9,214,630 km (0.078 R)
• M13: 10,314,923 km (0.049 R)
• M14: 10,831,185 km (0.087 R)
• M15: 12,923,162 km (0.037 R)
• M16: 13,422,519 km (0.043 R)
• M17: 13,986,653 km (0.063 R)
• M18: 14,513,088 km (0.085 R)
• M19: 15,272,447 km (0.069 R)
• M20: 18,767,352 km (0.051 R)
• M21: 20,064,216 km (0.101 R)
• M22: 24,389,090 km (0.12 R)
• M23: 26,809,135 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit