🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 11.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.54 AU - 0.8 AU

Year: 366 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,985,252 km

• M1: 141,819 km (0.103 R)
• M2: 501,751 km (0.102 R)
• M3: 989,291 km (0.106 R)
• M4: 2,865,098 km (0.07 R)
• M5: 3,363,708 km (0.117 R)
• M6: 3,848,555 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 10.4

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.42 AU - 1.48 AU

Year: 1164 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,985,252 km

• M1: 129,402 km (0.08 R)
• M2: 576,101 km (0.091 R)
• M3: 1,059,901 km (0.068 R)
• M4: 1,522,158 km (0.075 R)
• M5: 2,366,638 km (0.109 R)
• M6: 2,914,167 km (0.113 R)
• M7: 3,299,979 km (0.095 R)
• M8: 3,834,343 km (0.11 R)
• M9: 4,352,999 km (0.115 R)
• M10: 4,724,450 km (0.092 R)
• M11: 5,467,653 km (0.109 R)
• M12: 5,812,476 km (0.118 R)
• M13: 6,217,736 km (0.1 R)
• M14: 6,861,007 km (0.118 R)
• M15: 7,288,408 km (0.074 R)
• M16: 9,729,696 km (0.11 R)
• M17: 10,141,090 km (0.098 R)
• M18: 10,630,125 km (0.049 R)
• M19: 11,376,020 km (0.107 R)
• M20: 11,904,101 km (0.073 R)
• M21: 12,265,380 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 13.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.17 AU - 3.21 AU

Year: 2942 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,985,252 km

• M1: 299,794 km (0.119 R)
• M2: 1,584,241 km (0.072 R)
• M3: 2,410,919 km (0.097 R)
• M4: 3,445,239 km (0.059 R)
• M5: 7,073,436 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 10.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.99 AU - 4.31 AU

Year: 4650 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,985,252 km

• M1: 128,804 km (0.086 R)
• M2: 582,684 km (0.11 R)
• M3: 952,639 km (0.059 R)
• M4: 1,276,070 km (0.084 R)
• M5: 1,725,611 km (0.073 R)
• M6: 3,081,118 km (0.115 R)
• M7: 3,547,564 km (0.076 R)
• M8: 4,107,658 km (0.116 R)
• M9: 5,842,994 km (0.089 R)
• M10: 6,463,675 km (0.094 R)
• M11: 6,790,098 km (0.061 R)
• M12: 8,020,989 km (0.108 R)
• M13: 9,353,457 km (0.09 R)
• M14: 10,647,030 km (0.111 R)
• M15: 11,813,145 km (0.105 R)
• M16: 12,154,378 km (0.062 R)
• M17: 15,126,738 km (0.076 R)
• M18: 17,462,559 km (0.049 R)
• M19: 17,905,968 km (0.113 R)
• M20: 19,823,363 km (0.074 R)
• M21: 22,463,467 km (0.092 R)
• M22: 23,291,640 km (0.088 R)
• M23: 25,734,873 km (0.05 R)
• M24: 27,654,513 km (0.09 R)
• M25: 28,956,912 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 9.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.33 AU - 4.57 AU

Year: 5235 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,985,252 km

• M1: 114,442 km (0.092 R)
• M2: 564,582 km (0.098 R)
• M3: 912,547 km (0.086 R)
• M4: 1,847,982 km (0.109 R)
• M5: 2,397,904 km (0.109 R)
• M6: 2,816,778 km (0.076 R)
• M7: 3,186,435 km (0.076 R)
• M8: 3,630,441 km (0.107 R)
• M9: 4,743,449 km (0.043 R)
• M10: 5,891,463 km (0.106 R)
• M11: 6,753,596 km (0.114 R)
• M12: 7,181,446 km (0.109 R)
• M13: 8,998,013 km (0.088 R)
• M14: 10,012,735 km (0.118 R)
• M15: 10,482,622 km (0.072 R)
• M16: 12,956,073 km (0.066 R)
• M17: 13,669,356 km (0.067 R)
• M18: 14,301,407 km (0.097 R)
• M19: 15,063,159 km (0.12 R)
• M20: 15,680,400 km (0.065 R)
• M21: 17,328,071 km (0.107 R)
• M22: 18,382,886 km (0.104 R)
• M23: 19,087,940 km (0.09 R)
• M24: 19,678,104 km (0.093 R)
• M25: 21,521,748 km (0.039 R)
• M26: 22,160,980 km (0.113 R)
• M27: 22,812,927 km (0.118 R)
• M28: 24,155,119 km (0.103 R)
• M29: 27,078,112 km (0.086 R)
• M30: 27,823,259 km (0.058 R)

Asteroid Belt

Center: 4.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 14.3

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.96 AU - 4.96 AU

Year: 7366 Days

Day: 14.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,985,252 km

• M1: 177,872 km (0.082 R)
• M2: 682,465 km (0.093 R)
• M3: 1,856,510 km (0.111 R)
• M4: 3,169,231 km (0.089 R)
• M5: 3,992,169 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.5

Radius: 3.9

Gravity: 31.39 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.78 AU - 7.66 AU

Year: 12937 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,985,252 km

• M1: 48,919 km (0.099 R)
• M2: 186,848 km (0.091 R)
• M3: 318,643 km (0.077 R)
• M4: 1,303,596 km (0.109 R)
• M5: 1,464,862 km (0.08 R)
• M6: 1,977,833 km (0.073 R)
• M7: 2,100,653 km (0.109 R)
• M8: 2,814,684 km (0.09 R)
• M9: 3,548,461 km (0.08 R)
• M10: 3,810,108 km (0.094 R)
• M11: 4,372,147 km (0.08 R)
• M12: 4,520,848 km (0.066 R)
• M13: 5,417,238 km (0.09 R)
• M14: 5,588,827 km (0.11 R)
• M15: 6,162,834 km (0.1 R)
• M16: 6,934,310 km (0.074 R)
• M17: 7,724,935 km (0.072 R)
• M18: 9,986,555 km (0.091 R)
• M19: 12,121,317 km (0.065 R)
• M20: 15,346,797 km (0.118 R)
• M21: 15,552,494 km (0.12 R)
• M22: 19,100,806 km (0.051 R)
• M23: 20,642,711 km (0.102 R)
• M24: 21,146,407 km (0.105 R)
• M25: 21,917,135 km (0.103 R)
• M26: 24,063,715 km (0.093 R)
• M27: 25,956,278 km (0.066 R)
• M28: 28,665,495 km (0.115 R)
• M29: 29,082,275 km (0.104 R)
• M30: 30,141,877 km (0.1 R)
• M31: 30,572,718 km (0.091 R)
• M32: 34,169,201 km (0.112 R)
• M33: 36,676,461 km (0.12 R)
• M34: 38,540,600 km (0.11 R)
• M35: 43,818,712 km (0.049 R)
• M36: 44,789,303 km (0.117 R)
• M37: 47,932,953 km (0.089 R)
• M38: 50,158,670 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.2

Radius: 7.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.79 AU - 10.35 AU

Year: 19742 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,985,252 km

• M1: 101,278 km (0.115 R)
• M2: 357,689 km (0.117 R)
• M3: 771,626 km (0.093 R)
• M4: 5,416,789 km (0.115 R)
• M5: 8,637,183 km (0.076 R)
• M6: 14,021,360 km (0.119 R)
• M7: 16,557,492 km (0.052 R)
• M8: 17,743,355 km (0.118 R)
• M9: 24,438,308 km (0.111 R)
• M10: 26,864,187 km (0.09 R)
• M11: 37,672,334 km (0.088 R)
• M12: 45,433,173 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 19,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit