🌌 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: 193.1

Radius: 14.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.78 AU - 1 AU

Year: 569 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,293,875 km

• M1: 176,675 km (0.117 R)
• M2: 893,099 km (0.043 R)
• M3: 1,377,497 km (0.088 R)
• M4: 1,896,303 km (0.091 R)
• M5: 2,349,883 km (0.084 R)
• M6: 2,915,363 km (0.099 R)
• M7: 3,965,540 km (0.108 R)
• M8: 4,532,367 km (0.057 R)

Asteroid Belt

Center: 1.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.2

Radius: 12.7

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.12 AU - 2.3 AU

Year: 2228 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,293,875 km

• M1: 157,975 km (0.114 R)
• M2: 565,929 km (0.105 R)
• M3: 1,039,705 km (0.119 R)
• M4: 1,467,406 km (0.079 R)
• M5: 1,908,869 km (0.075 R)
• M6: 3,117,470 km (0.082 R)
• M7: 3,564,169 km (0.076 R)
• M8: 4,073,400 km (0.104 R)
• M9: 4,827,972 km (0.117 R)
• M10: 5,723,615 km (0.107 R)
• M11: 7,038,281 km (0.111 R)
• M12: 7,629,342 km (0.114 R)
• M13: 8,062,727 km (0.036 R)
• M14: 8,911,246 km (0.101 R)
• M15: 10,183,426 km (0.039 R)
• M16: 10,863,349 km (0.096 R)
• M17: 11,735,205 km (0.076 R)
• M18: 14,073,270 km (0.044 R)
• M19: 14,585,194 km (0.082 R)
• M20: 17,018,104 km (0.079 R)
• M21: 18,084,887 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 11.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.43 AU - 3.45 AU

Year: 3419 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,293,875 km

• M1: 144,212 km (0.117 R)
• M2: 694,733 km (0.096 R)
• M3: 1,064,090 km (0.112 R)
• M4: 1,484,011 km (0.087 R)
• M5: 1,937,741 km (0.086 R)
• M6: 2,319,814 km (0.047 R)
• M7: 3,351,291 km (0.037 R)
• M8: 3,783,629 km (0.043 R)
• M9: 4,410,444 km (0.081 R)
• M10: 5,105,626 km (0.101 R)
• M11: 6,269,198 km (0.094 R)
• M12: 7,801,978 km (0.065 R)
• M13: 9,687,659 km (0.099 R)
• M14: 13,059,745 km (0.087 R)
• M15: 15,113,873 km (0.114 R)
• M16: 16,747,631 km (0.111 R)
• M17: 17,959,224 km (0.078 R)
• M18: 21,608,515 km (0.111 R)
• M19: 23,043,607 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 14.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.57 AU - 5.29 AU

Year: 7424 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 155.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,293,875 km

• M1: 178,171 km (0.114 R)
• M2: 1,423,424 km (0.045 R)
• M3: 1,881,642 km (0.082 R)
• M4: 2,605,995 km (0.073 R)
• M5: 3,261,383 km (0.097 R)
• M6: 4,128,602 km (0.075 R)
• M7: 5,745,456 km (0.082 R)
• M8: 6,357,311 km (0.079 R)
• M9: 7,240,537 km (0.107 R)
• M10: 7,712,219 km (0.025 R)
• M11: 10,734,844 km (0.059 R)
• M12: 11,297,482 km (0.093 R)
• M13: 14,351,223 km (0.063 R)
• M14: 19,678,852 km (0.115 R)
• M15: 20,367,900 km (0.048 R)
• M16: 20,993,967 km (0.07 R)
• M17: 22,615,309 km (0.05 R)
• M18: 23,117,658 km (0.083 R)
• M19: 24,231,564 km (0.081 R)
• M20: 25,470,833 km (0.104 R)
• M21: 26,845,188 km (0.036 R)
• M22: 29,941,565 km (0.112 R)
• M23: 34,137,785 km (0.115 R)
• M24: 34,688,455 km (0.105 R)
• M25: 35,357,158 km (0.104 R)
• M26: 36,034,387 km (0.039 R)
• M27: 36,490,661 km (0.094 R)
• M28: 37,414,727 km (0.085 R)
• M29: 38,118,136 km (0.102 R)
• M30: 39,551,134 km (0.08 R)
• M31: 41,767,725 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.4

Radius: 6.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.93 AU - 9.81 AU

Year: 14975 Days

Day: 24.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,293,875 km

• M1: 83,476 km (0.103 R)
• M2: 308,471 km (0.072 R)
• M3: 537,356 km (0.112 R)
• M4: 1,997,880 km (0.102 R)
• M5: 2,430,666 km (0.112 R)
• M6: 2,852,383 km (0.07 R)
• M7: 3,321,821 km (0.106 R)
• M8: 3,841,374 km (0.1 R)
• M9: 5,093,957 km (0.117 R)
• M10: 5,308,480 km (0.083 R)
• M11: 6,535,183 km (0.107 R)
• M12: 7,081,664 km (0.091 R)
• M13: 7,693,071 km (0.114 R)
• M14: 9,255,770 km (0.063 R)
• M15: 9,616,301 km (0.104 R)
• M16: 11,152,970 km (0.068 R)
• M17: 12,216,312 km (0.098 R)
• M18: 18,062,597 km (0.114 R)
• M19: 18,562,553 km (0.054 R)
• M20: 19,525,065 km (0.099 R)
• M21: 20,791,262 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 14,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit